Fossil

.timelineSelected > .timelineVerboseCell {
  padding: .75em;
  border-radius: 5px;
  border: solid #ff8000;
  vertical-align: top;
  text-align: left;
  background: #442800




























}
.timelineCurrent > .timelineColumnarCell,
.timelineCurrent > .timelineCompactCell,
.timelineCurrent > .timelineDetailCell,
.timelineCurrent > .timelineModernCell,
.timelineCurrent > .timelineVerboseCell {
  vertical-align: top;

.timelineSelected > .timelineVerboseCell {
  padding: .75em;
  border-radius: 5px;
  border: solid #ff8000;
  vertical-align: top;
  text-align: left;
  background: #442800
}
span.timelineSelected {
  border-radius: 5px;
  border: solid #ff8000;
  vertical-align: top;
  text-align: left;
  background: #442800
}
.timelineSelected {}
.timelineSecondary {}
.timelineSecondary > .timelineColumnarCell,
.timelineSecondary > .timelineCompactCell,
.timelineSecondary > .timelineDetailCell,
.timelineSecondary > .timelineModernCell,
.timelineSecondary > .timelineVerboseCell {
  padding: .75em;
  border-radius: 5px;
  border: solid #0080ff;
  vertical-align: top;
  text-align: left;
  background: #002844
}
span.timelineSecondary {
  border-radius: 5px;
  border: solid #0080ff;
  vertical-align: top;
  text-align: left;
  background: #002844
}
.timelineCurrent > .timelineColumnarCell,
.timelineCurrent > .timelineCompactCell,
.timelineCurrent > .timelineDetailCell,
.timelineCurrent > .timelineModernCell,
.timelineCurrent > .timelineVerboseCell {
  vertical-align: top;

tr.timelineCurrent {
  border-left: 2px solid orange;
  background-color: #ffc;
  border-bottom: 1px solid #ddd;
  border-right: 1px solid #ddd;
}

tr.timelineSelected {
  border-left: 2px solid orange;
  background-color: #ffffe8;
  border-bottom: 1px solid #ddd;
  border-right: 1px solid #ddd;
}




tr.timelineCurrent td.timelineTableCell {
}

tr.timelineBottom td {
  border-bottom: 0;
}

tr.timelineCurrent {
  border-left: 2px solid orange;
  background-color: #ffc;
  border-bottom: 1px solid #ddd;
  border-right: 1px solid #ddd;
}

.timelineSelected {
  border-left: 2px solid orange;
  background-color: #ffffe8;
  border-bottom: 1px solid #ddd;
  border-right: 1px solid #ddd;
}
.timelineSecondary {
  background-color: #e8ffff;
}

tr.timelineCurrent td.timelineTableCell {
}

tr.timelineBottom td {
  border-bottom: 0;
}

  border: 0;
  cellpadding: 0;
  font-family: "courier new";
  border-spacing: 0px 2px;
  // border-collapse: collapse;
}

tr.timelineSelected {
  background-color: #7EA2D9;
}




/* commit node */
.tl-node {
  width: 10px;
  height: 10px;
  border: 1px solid #fff;
  background: #485D7B;

  border: 0;
  cellpadding: 0;
  font-family: "courier new";
  border-spacing: 0px 2px;
  // border-collapse: collapse;
}

.timelineSelected {
  background-color: #7EA2D9;
}
.timelineSecondary {
  background-color: #7EA27E;
}

/* commit node */
.tl-node {
  width: 10px;
  height: 10px;
  border: 1px solid #fff;
  background: #485D7B;

}

.timelineTable .timelineSelected {
  background: #222;
  border:     0;
  box-shadow: none;
}



.timelineTable .timelineSelected .timelineTime {
  background:    #333;
  border-radius: 1rem 0 0 1rem;
  box-shadow:    2px 2px 1px #000;
}

................................................................................
.timelineTable .timelineSelected .timelineCompactCell ,
.timelineTable .timelineSelected .timelineVerboseCell ,
.timelineTable .timelineSelected .timelineDetailCell  {
  background:    #333;
  border-radius: 0 1rem 1rem 0;
  box-shadow:    2px 2px 1px #000;
}








.timelineTable .timelineModernCell  .timelineModernComment  ,
.timelineTable .timelineModernCell  .timelineModernDetail   ,
.timelineTable .timelineCompactCell .timelineCompactComment ,
.timelineTable .timelineCompactCell .timelineCompactDetail  ,
.timelineTable .timelineVerboseCell .timelineVerboseComment ,
.timelineTable .timelineVerboseCell .timelineVerboseDetail  {

}

.timelineTable .timelineSelected {
  background: #222;
  border:     0;
  box-shadow: none;
}
.timelineSelected {}
.timelineSecondary {}

.timelineTable .timelineSelected .timelineTime {
  background:    #333;
  border-radius: 1rem 0 0 1rem;
  box-shadow:    2px 2px 1px #000;
}

................................................................................
.timelineTable .timelineSelected .timelineCompactCell ,
.timelineTable .timelineSelected .timelineVerboseCell ,
.timelineTable .timelineSelected .timelineDetailCell  {
  background:    #333;
  border-radius: 0 1rem 1rem 0;
  box-shadow:    2px 2px 1px #000;
}

span.timelineSelected {
  padding: 0 1em 0 1em;
  border-radius: 1rem;
  background: #333;
  box-shadow:    2px 2px 1px #000;
}

.timelineTable .timelineModernCell  .timelineModernComment  ,
.timelineTable .timelineModernCell  .timelineModernDetail   ,
.timelineTable .timelineCompactCell .timelineCompactComment ,
.timelineTable .timelineCompactCell .timelineCompactDetail  ,
.timelineTable .timelineVerboseCell .timelineVerboseComment ,
.timelineTable .timelineVerboseCell .timelineVerboseDetail  {

    zCleanFlag = db_get("clean-glob", 0);
  }
  if( zIgnoreFlag==0 ){
    zIgnoreFlag = db_get("ignore-glob", 0);
  }
  if( db_get_boolean("dotfiles", 0) ) scanFlags |= SCAN_ALL;
  vid = db_lget_int("checkout",0);
  db_begin_write();
  db_multi_exec("CREATE TEMP TABLE sfile(pathname TEXT PRIMARY KEY %s)",
                filename_collation());
  pClean = glob_create(zCleanFlag);
  pIgnore = glob_create(zIgnoreFlag);
  nRoot = strlen(g.zLocalRoot);

  /* Load the names of all files that are to be added into sfile temp table */
................................................................................
  softFlag = find_option("soft",0,0)!=0;
  hardFlag = find_option("hard",0,0)!=0;

  /* We should be done with options.. */
  verify_all_options();

  db_must_be_within_tree();
  db_begin_write();
  if( g.argv[1][0]=='f' ){ /* i.e. "forget" */
    removeFiles = 0;
  }else if( softFlag ){
    removeFiles = 0;
  }else if( hardFlag ){
    removeFiles = 1;
  }else{
................................................................................
    zCleanFlag = db_get("clean-glob", 0);
  }
  if( zIgnoreFlag==0 ){
    zIgnoreFlag = db_get("ignore-glob", 0);
  }
  if( db_get_boolean("dotfiles", 0) ) scanFlags |= SCAN_ALL;
  vid = db_lget_int("checkout",0);
  db_begin_write();

  /* step 1:
  ** Populate the temp table "sfile" with the names of all unmanaged
  ** files currently in the check-out, except for files that match the
  ** --ignore or ignore-glob patterns and dot-files.  Then add all of
  ** the files in the sfile temp table to the set of managed files.
  */
................................................................................
  if( vid==0 ){
    fossil_fatal("no checkout in which to rename files");
  }
  if( g.argc<4 ){
    usage("OLDNAME NEWNAME");
  }
  zDest = g.argv[g.argc-1];
  db_begin_write();
  if( g.argv[1][0]=='r' ){ /* i.e. "rename" */
    moveFiles = 0;
  }else if( softFlag ){
    moveFiles = 0;
  }else if( hardFlag ){
    moveFiles = 1;
  }else{

    zCleanFlag = db_get("clean-glob", 0);
  }
  if( zIgnoreFlag==0 ){
    zIgnoreFlag = db_get("ignore-glob", 0);
  }
  if( db_get_boolean("dotfiles", 0) ) scanFlags |= SCAN_ALL;
  vid = db_lget_int("checkout",0);
  db_begin_transaction();
  db_multi_exec("CREATE TEMP TABLE sfile(pathname TEXT PRIMARY KEY %s)",
                filename_collation());
  pClean = glob_create(zCleanFlag);
  pIgnore = glob_create(zIgnoreFlag);
  nRoot = strlen(g.zLocalRoot);

  /* Load the names of all files that are to be added into sfile temp table */
................................................................................
  softFlag = find_option("soft",0,0)!=0;
  hardFlag = find_option("hard",0,0)!=0;

  /* We should be done with options.. */
  verify_all_options();

  db_must_be_within_tree();
  db_begin_transaction();
  if( g.argv[1][0]=='f' ){ /* i.e. "forget" */
    removeFiles = 0;
  }else if( softFlag ){
    removeFiles = 0;
  }else if( hardFlag ){
    removeFiles = 1;
  }else{
................................................................................
    zCleanFlag = db_get("clean-glob", 0);
  }
  if( zIgnoreFlag==0 ){
    zIgnoreFlag = db_get("ignore-glob", 0);
  }
  if( db_get_boolean("dotfiles", 0) ) scanFlags |= SCAN_ALL;
  vid = db_lget_int("checkout",0);
  db_begin_transaction();

  /* step 1:
  ** Populate the temp table "sfile" with the names of all unmanaged
  ** files currently in the check-out, except for files that match the
  ** --ignore or ignore-glob patterns and dot-files.  Then add all of
  ** the files in the sfile temp table to the set of managed files.
  */
................................................................................
  if( vid==0 ){
    fossil_fatal("no checkout in which to rename files");
  }
  if( g.argc<4 ){
    usage("OLDNAME NEWNAME");
  }
  zDest = g.argv[g.argc-1];
  db_begin_transaction();
  if( g.argv[1][0]=='r' ){ /* i.e. "rename" */
    moveFiles = 0;
  }else if( softFlag ){
    moveFiles = 0;
  }else if( hardFlag ){
    moveFiles = 1;
  }else{

    "relay", "SMTP relay"
  };
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  db_begin_write();

  alert_submenu_common();
  style_submenu_element("Send Announcement","%R/announce");
  style_header("Email Notification Setup");
  @ <h1>Status</h1>
  @ <table class="label-value">
  if( alert_enabled() ){

    "relay", "SMTP relay"
  };
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  db_begin_transaction();

  alert_submenu_common();
  style_submenu_element("Send Announcement","%R/announce");
  style_header("Email Notification Setup");
  @ <h1>Status</h1>
  @ <table class="label-value">
  if( alert_enabled() ){

    quiet = 1;
  }else if( strncmp(zCmd, "ignore", n)==0 ){
    int j;
    Blob fn = BLOB_INITIALIZER;
    Blob sql = BLOB_INITIALIZER;
    useCheckouts = find_option("ckout","c",0)!=0;
    verify_all_options();
    db_begin_write();
    for(j=3; j<g.argc; j++, blob_reset(&sql), blob_reset(&fn)){
      file_canonical_name(g.argv[j], &fn, useCheckouts?1:0);
      blob_append_sql(&sql,
         "DELETE FROM global_config WHERE name GLOB '%s:%q'",
         useCheckouts?"ckout":"repo", blob_str(&fn)
      );
      if( dryRunFlag ){
................................................................................
    blob_reset(&extra);
    return;
  }else if( strncmp(zCmd, "add", n)==0 ){
    int j;
    Blob fn = BLOB_INITIALIZER;
    Blob sql = BLOB_INITIALIZER;
    verify_all_options();
    db_begin_write();
    for(j=3; j<g.argc; j++, blob_reset(&fn), blob_reset(&sql)){
      sqlite3 *db;
      int rc;
      const char *z;
      file_canonical_name(g.argv[j], &fn, 0);
      z = blob_str(&fn);
      if( !file_isfile(z, ExtFILE) ) continue;

    quiet = 1;
  }else if( strncmp(zCmd, "ignore", n)==0 ){
    int j;
    Blob fn = BLOB_INITIALIZER;
    Blob sql = BLOB_INITIALIZER;
    useCheckouts = find_option("ckout","c",0)!=0;
    verify_all_options();
    db_begin_transaction();
    for(j=3; j<g.argc; j++, blob_reset(&sql), blob_reset(&fn)){
      file_canonical_name(g.argv[j], &fn, useCheckouts?1:0);
      blob_append_sql(&sql,
         "DELETE FROM global_config WHERE name GLOB '%s:%q'",
         useCheckouts?"ckout":"repo", blob_str(&fn)
      );
      if( dryRunFlag ){
................................................................................
    blob_reset(&extra);
    return;
  }else if( strncmp(zCmd, "add", n)==0 ){
    int j;
    Blob fn = BLOB_INITIALIZER;
    Blob sql = BLOB_INITIALIZER;
    verify_all_options();
    db_begin_transaction();
    for(j=3; j<g.argc; j++, blob_reset(&fn), blob_reset(&sql)){
      sqlite3 *db;
      int rc;
      const char *z;
      file_canonical_name(g.argv[j], &fn, 0);
      z = blob_str(&fn);
      if( !file_isfile(z, ExtFILE) ) continue;

    char *zUUID;
    char *zDate;
    int rid;
    int i, n;
    int addCompress = 0;
    Manifest *pManifest;

    db_begin_write();
    blob_init(&content, aContent, szContent);
    pManifest = manifest_parse(&content, 0, 0);
    manifest_destroy(pManifest);
    blob_init(&content, aContent, szContent);
    if( pManifest ){
      blob_compress(&content, &content);
      addCompress = 1;
................................................................................
  ){
    int i, n, rid;
    char *zDate;
    Blob manifest;
    Blob cksum;
    const char *zFile = zName;

    db_begin_write();
    blob_zero(&manifest);
    for(i=n=0; zFile[i]; i++){
      if( zFile[i]=='/' || zFile[i]=='\\' ) n = i;
    }
    zFile += n;
    if( zFile[0]==0 ) zFile = "unknown";
    blob_appendf(&manifest, "A %F %F\n", zFile, zTarget);

    char *zUUID;
    char *zDate;
    int rid;
    int i, n;
    int addCompress = 0;
    Manifest *pManifest;

    db_begin_transaction();
    blob_init(&content, aContent, szContent);
    pManifest = manifest_parse(&content, 0, 0);
    manifest_destroy(pManifest);
    blob_init(&content, aContent, szContent);
    if( pManifest ){
      blob_compress(&content, &content);
      addCompress = 1;
................................................................................
  ){
    int i, n, rid;
    char *zDate;
    Blob manifest;
    Blob cksum;
    const char *zFile = zName;

    db_begin_transaction();
    blob_zero(&manifest);
    for(i=n=0; zFile[i]; i++){
      if( zFile[i]=='/' || zFile[i]=='\\' ) n = i;
    }
    zFile += n;
    if( zFile[0]==0 ) zFile = "unknown";
    blob_appendf(&manifest, "A %F %F\n", zFile, zTarget);

  }else if( strncmp(zCmd, "undo", n)==0 ){
    char *zLog;
    Blob log, id;
    int ridBad = 0;
    int ridGood = 0;
    int cnt = 0, i;
    foundCmd = 1;
    db_begin_write();
    zLog = db_lget("bisect-log","");
    blob_init(&log, zLog, -1);
    while( blob_token(&log, &id) ){ cnt++; }
    if( cnt==0 ){
      fossil_fatal("no previous bisect steps to undo");
    }
    blob_rewind(&log);

  }else if( strncmp(zCmd, "undo", n)==0 ){
    char *zLog;
    Blob log, id;
    int ridBad = 0;
    int ridGood = 0;
    int cnt = 0, i;
    foundCmd = 1;
    db_begin_transaction();
    zLog = db_lget("bisect-log","");
    blob_init(&log, zLog, -1);
    while( blob_token(&log, &id) ){ cnt++; }
    if( cnt==0 ){
      fossil_fatal("no previous bisect steps to undo");
    }
    blob_rewind(&log);

*******************************************************************************
**
** This file contains code used to create new branches within a repository.
*/
#include "config.h"
#include "branch.h"
#include <assert.h>




























/*
**  fossil branch new    NAME  BASIS ?OPTIONS?
**  argv0  argv1  argv2  argv3 argv4
*/
void branch_new(void){
  int rootid;            /* RID of the root check-in - what we branch off of */
................................................................................
        " WHERE tagtype>0"
        "   AND tagid=(SELECT tagid FROM tag WHERE tagname='sym-%q')",
        zBranch)!=0 ){
    fossil_fatal("branch \"%s\" already exists", zBranch);
  }

  user_select();
  db_begin_write();
  rootid = name_to_typed_rid(g.argv[4], "ci");
  if( rootid==0 ){
    fossil_fatal("unable to locate check-in off of which to branch");
  }

  pParent = manifest_get(rootid, CFTYPE_MANIFEST, 0);
  if( pParent==0 ){
................................................................................
  blob_reset(&sql);
  /* Always specify TIMELINE_DISJOINT, or graph_finish() may fail because of too
  ** many descenders to (off-screen) parents. */
  tmFlags = TIMELINE_DISJOINT | TIMELINE_NOSCROLL;
  if( PB("ng")==0 ) tmFlags |= TIMELINE_GRAPH;
  if( PB("brbg")!=0 ) tmFlags |= TIMELINE_BRCOLOR;
  if( PB("ubg")!=0 ) tmFlags |= TIMELINE_UCOLOR;
  www_print_timeline(&q, tmFlags, 0, 0, 0, 0, brtimeline_extra);
  db_finalize(&q);
  style_footer();
}

*******************************************************************************
**
** This file contains code used to create new branches within a repository.
*/
#include "config.h"
#include "branch.h"
#include <assert.h>

/*
** If RID refers to a check-in, return the name of the branch for that
** check-in.
**
** Space to hold the returned value is obtained from fossil_malloc()
** and should be freed by the caller.
*/
char *branch_of_rid(int rid){
  char *zBr = 0;
  static Stmt q;
  db_static_prepare(&q,
      "SELECT value FROM tagxref"
      " WHERE rid=$rid AND tagid=%d"
      " AND tagtype>0", TAG_BRANCH);
  db_bind_int(&q, "$rid", rid);
  if( db_step(&q)==SQLITE_ROW ){
    zBr = fossil_strdup(db_column_text(&q,0));
  }
  db_reset(&q);
  if( zBr==0 ){
    static char *zMain = 0;
    if( zMain==0 ) zMain = db_get("main-branch","trunk");
    zBr = fossil_strdup(zMain);
  }
  return zBr;
}

/*
**  fossil branch new    NAME  BASIS ?OPTIONS?
**  argv0  argv1  argv2  argv3 argv4
*/
void branch_new(void){
  int rootid;            /* RID of the root check-in - what we branch off of */
................................................................................
        " WHERE tagtype>0"
        "   AND tagid=(SELECT tagid FROM tag WHERE tagname='sym-%q')",
        zBranch)!=0 ){
    fossil_fatal("branch \"%s\" already exists", zBranch);
  }

  user_select();
  db_begin_transaction();
  rootid = name_to_typed_rid(g.argv[4], "ci");
  if( rootid==0 ){
    fossil_fatal("unable to locate check-in off of which to branch");
  }

  pParent = manifest_get(rootid, CFTYPE_MANIFEST, 0);
  if( pParent==0 ){
................................................................................
  blob_reset(&sql);
  /* Always specify TIMELINE_DISJOINT, or graph_finish() may fail because of too
  ** many descenders to (off-screen) parents. */
  tmFlags = TIMELINE_DISJOINT | TIMELINE_NOSCROLL;
  if( PB("ng")==0 ) tmFlags |= TIMELINE_GRAPH;
  if( PB("brbg")!=0 ) tmFlags |= TIMELINE_BRCOLOR;
  if( PB("ubg")!=0 ) tmFlags |= TIMELINE_UCOLOR;
  www_print_timeline(&q, tmFlags, 0, 0, 0, 0, 0, brtimeline_extra);
  db_finalize(&q);
  style_footer();
}

**
** Query parameters:
**
**    name=PATH        Directory to display.  Optional.  Top-level if missing
**    ci=LABEL         Show only files in this check-in.  Optional.
**    type=TYPE        TYPE=flat: use this display
**                     TYPE=tree: use the /tree display instead

*/
void page_dir(void){
  char *zD = fossil_strdup(P("name"));
  int nD = zD ? strlen(zD)+1 : 0;
  int mxLen;
  int n;
  char *zPrefix;
................................................................................
      }
      @ <li class="%z(fileext_class(zFN))">%z(zLink)%h(zFN)</a></li>
    }
  }
  db_finalize(&q);
  manifest_destroy(pM);
  @ </ul></div>









  /* If the directory contains a readme file, then display its content below
  ** the list of files
  */
  db_prepare(&q,
    "SELECT x, u FROM localfiles"
    " WHERE x COLLATE nocase IN"

**
** Query parameters:
**
**    name=PATH        Directory to display.  Optional.  Top-level if missing
**    ci=LABEL         Show only files in this check-in.  Optional.
**    type=TYPE        TYPE=flat: use this display
**                     TYPE=tree: use the /tree display instead
**    noreadme         Do not attempt to display the README file.
*/
void page_dir(void){
  char *zD = fossil_strdup(P("name"));
  int nD = zD ? strlen(zD)+1 : 0;
  int mxLen;
  int n;
  char *zPrefix;
................................................................................
      }
      @ <li class="%z(fileext_class(zFN))">%z(zLink)%h(zFN)</a></li>
    }
  }
  db_finalize(&q);
  manifest_destroy(pM);
  @ </ul></div>

  /* If the "noreadme" query parameter is present, do not try to
  ** show the content of the README file.
  */
  if( P("noreadme")!=0 ){
    style_footer();
    return;
  }

  /* If the directory contains a readme file, then display its content below
  ** the list of files
  */
  db_prepare(&q,
    "SELECT x, u FROM localfiles"
    " WHERE x COLLATE nocase IN"

  Stmt q;

  verify_all_options();
  bundle_attach_file(g.argv[3], "b1", 1);
  db_prepare(&q,
    "INSERT INTO bblob(blobid, uuid, sz, delta, data, notes) "
    "VALUES(NULL, $uuid, $sz, NULL, $data, $filename)");
  db_begin_write();
  for(i=4; i<g.argc; i++){
    int sz;
    blob_read_from_file(&content, g.argv[i], ExtFILE);
    sz = blob_size(&content);
    sha1sum_blob(&content, &hash);
    blob_compress(&content, &content);
    db_bind_text(&q, "$uuid", blob_str(&hash));
................................................................................
  find_checkin_associates("tobundle", 0);
  verify_all_options();
  describe_artifacts("IN tobundle");

  if( g.argc!=4 ) usage("export BUNDLE ?OPTIONS?");
  /* Create the new bundle */
  bundle_attach_file(g.argv[3], "b1", 1);
  db_begin_write();

  /* Add 'mtime' and 'project-code' entries to the bconfig table */
  db_multi_exec(
    "INSERT INTO bconfig(bcname,bcvalue)"
    " VALUES('mtime',datetime('now'));"
  );
  db_multi_exec(
................................................................................
      "   AND NOT EXISTS(SELECT 1 FROM blob WHERE uuid=bblob.delta)",
      HNAME_MIN);
  if( zMissingDeltas && zMissingDeltas[0] ){
    fossil_fatal("delta basis artifacts not found in repository: %s",
                 zMissingDeltas);
  }

  db_begin_write();
  db_multi_exec(
    "CREATE TEMP TABLE bix("
    "  blobid INTEGER PRIMARY KEY,"
    "  delta INTEGER"
    ");"
    "CREATE INDEX bixdelta ON bix(delta);"
    "INSERT INTO bix(blobid,delta)"
................................................................................
static void bundle_purge_cmd(void){
  int bForce = find_option("force",0,0)!=0;
  int bTest = find_option("test",0,0)!=0;  /* Undocumented --test option */
  const char *zFile = g.argv[3];
  verify_all_options();
  if ( g.argc!=4 ) usage("purge BUNDLE ?OPTIONS?");
  bundle_attach_file(zFile, "b1", 0);
  db_begin_write();

  /* Find all check-ins of the bundle */
  db_multi_exec(
    "CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY);"
    "INSERT OR IGNORE INTO ok SELECT blob.rid FROM bblob, blob, plink"
    " WHERE bblob.uuid=blob.uuid"
    "   AND plink.cid=blob.rid;"

  Stmt q;

  verify_all_options();
  bundle_attach_file(g.argv[3], "b1", 1);
  db_prepare(&q,
    "INSERT INTO bblob(blobid, uuid, sz, delta, data, notes) "
    "VALUES(NULL, $uuid, $sz, NULL, $data, $filename)");
  db_begin_transaction();
  for(i=4; i<g.argc; i++){
    int sz;
    blob_read_from_file(&content, g.argv[i], ExtFILE);
    sz = blob_size(&content);
    sha1sum_blob(&content, &hash);
    blob_compress(&content, &content);
    db_bind_text(&q, "$uuid", blob_str(&hash));
................................................................................
  find_checkin_associates("tobundle", 0);
  verify_all_options();
  describe_artifacts("IN tobundle");

  if( g.argc!=4 ) usage("export BUNDLE ?OPTIONS?");
  /* Create the new bundle */
  bundle_attach_file(g.argv[3], "b1", 1);
  db_begin_transaction();

  /* Add 'mtime' and 'project-code' entries to the bconfig table */
  db_multi_exec(
    "INSERT INTO bconfig(bcname,bcvalue)"
    " VALUES('mtime',datetime('now'));"
  );
  db_multi_exec(
................................................................................
      "   AND NOT EXISTS(SELECT 1 FROM blob WHERE uuid=bblob.delta)",
      HNAME_MIN);
  if( zMissingDeltas && zMissingDeltas[0] ){
    fossil_fatal("delta basis artifacts not found in repository: %s",
                 zMissingDeltas);
  }

  db_begin_transaction();
  db_multi_exec(
    "CREATE TEMP TABLE bix("
    "  blobid INTEGER PRIMARY KEY,"
    "  delta INTEGER"
    ");"
    "CREATE INDEX bixdelta ON bix(delta);"
    "INSERT INTO bix(blobid,delta)"
................................................................................
static void bundle_purge_cmd(void){
  int bForce = find_option("force",0,0)!=0;
  int bTest = find_option("test",0,0)!=0;  /* Undocumented --test option */
  const char *zFile = g.argv[3];
  verify_all_options();
  if ( g.argc!=4 ) usage("purge BUNDLE ?OPTIONS?");
  bundle_attach_file(zFile, "b1", 0);
  db_begin_transaction();

  /* Find all check-ins of the bundle */
  db_multi_exec(
    "CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY);"
    "INSERT OR IGNORE INTO ok SELECT blob.rid FROM bblob, blob, plink"
    " WHERE bblob.uuid=blob.uuid"
    "   AND plink.cid=blob.rid;"

** if "u" is present and "developer" if "v" is present.
*/
void capability_expand(CapabilityString *pIn){
  static char *zNobody = 0;
  static char *zAnon = 0;
  static char *zReader = 0;
  static char *zDev = 0;
  static char *zAdmin = "bcdefghijklmnopqrtwxz234567AD";
  int doneV = 0;

  if( pIn==0 ){
    fossil_free(zNobody); zNobody = 0;
    fossil_free(zAnon);   zAnon = 0;
    fossil_free(zReader); zReader = 0;
    fossil_free(zDev);    zDev = 0;
................................................................................
  { '3', CAPCLASS_FORUM, 0,
    "Forum-Write", "Create new forum messages" },
  { '4', CAPCLASS_FORUM, 0,
    "Forum-Trusted", "Create forum messages that bypass moderation" },
  { '5', CAPCLASS_FORUM|CAPCLASS_SUPER, 0,
    "Forum-Mod", "Moderator for forum messages" },
  { '6', CAPCLASS_FORUM|CAPCLASS_SUPER, 0,
    "Forum-Admin", "Set or remove capability '4' from other users" },
  { '7', CAPCLASS_ALERT, 0,
    "Alerts", "Sign up for email alerts" },
  { 'A', CAPCLASS_ALERT|CAPCLASS_SUPER, 0,
    "Announce", "Send announcements to all subscribers" },
  { 'D', CAPCLASS_OTHER, 0,
    "Debug", "Enable debugging features" },
};

** if "u" is present and "developer" if "v" is present.
*/
void capability_expand(CapabilityString *pIn){
  static char *zNobody = 0;
  static char *zAnon = 0;
  static char *zReader = 0;
  static char *zDev = 0;
  static char *zAdmin = "bcdefghijklmnopqrtwz234567AD";
  int doneV = 0;

  if( pIn==0 ){
    fossil_free(zNobody); zNobody = 0;
    fossil_free(zAnon);   zAnon = 0;
    fossil_free(zReader); zReader = 0;
    fossil_free(zDev);    zDev = 0;
................................................................................
  { '3', CAPCLASS_FORUM, 0,
    "Forum-Write", "Create new forum messages" },
  { '4', CAPCLASS_FORUM, 0,
    "Forum-Trusted", "Create forum messages that bypass moderation" },
  { '5', CAPCLASS_FORUM|CAPCLASS_SUPER, 0,
    "Forum-Mod", "Moderator for forum messages" },
  { '6', CAPCLASS_FORUM|CAPCLASS_SUPER, 0,
    "Forum-Admin", "Grant capability '4' to other users" },
  { '7', CAPCLASS_ALERT, 0,
    "Alerts", "Sign up for email alerts" },
  { 'A', CAPCLASS_ALERT|CAPCLASS_SUPER, 0,
    "Announce", "Send announcements to all subscribers" },
  { 'D', CAPCLASS_OTHER, 0,
    "Debug", "Enable debugging features" },
};

  nUsedQP++;
  sortQP = 1;
}

/*
** Add another query parameter or cookie to the parameter set.
** zName is the name of the query parameter or cookie and zValue





















** is its fully decoded value.
**
** Copies are made of both the zName and zValue parameters.
*/
void cgi_set_parameter(const char *zName, const char *zValue){
  cgi_set_parameter_nocopy(mprintf("%s",zName), mprintf("%s",zValue), 0);
}
................................................................................
    if( fossil_strcmp(aParamQP[i].zName,zName)==0 ){
      aParamQP[i].zValue = zValue;
      assert( aParamQP[i].isQP );
      return;
    }
  }
  cgi_set_parameter_nocopy(zName, zValue, 1);





}

/*
** Delete a parameter.
*/
void cgi_delete_parameter(const char *zName){
  int i;
................................................................................
/*
** Add a query parameter.  The zName portion is fixed but a copy
** must be made of zValue.
*/
void cgi_setenv(const char *zName, const char *zValue){
  cgi_set_parameter_nocopy(zName, mprintf("%s",zValue), 0);
}


/*
** Add a list of query parameters or cookies to the parameter set.
**
** Each parameter is of the form NAME=VALUE.  Both the NAME and the
** VALUE may be url-encoded ("+" for space, "%HH" for other special
** characters).  But this routine assumes that NAME contains no
................................................................................
        z++;
      }
      dehttpize(zValue);
    }else{
      if( *z ){ *z++ = 0; }
      zValue = "";
    }
    if( fossil_islower(zName[0]) && fossil_no_strange_characters(zName+1) ){

      cgi_set_parameter_nocopy(zName, zValue, isQP);



    }
#ifdef FOSSIL_ENABLE_JSON
    json_setenv( zName, cson_value_new_string(zValue,strlen(zValue)) );
#endif /* FOSSIL_ENABLE_JSON */
  }
}

................................................................................

  zBoundry = get_line_from_string(&z, &len);
  if( zBoundry==0 ) return;
  while( (zLine = get_line_from_string(&z, &len))!=0 ){
    if( zLine[0]==0 ){
      int nContent = 0;
      zValue = get_bounded_content(&z, &len, zBoundry, &nContent);

      if( zName && zValue && fossil_islower(zName[0]) ){
        cgi_set_parameter_nocopy(zName, zValue, 1);
        if( showBytes ){
          cgi_set_parameter_nocopy(mprintf("%s:bytes", zName),
               mprintf("%d",nContent), 1);







        }
      }
      zName = 0;
      showBytes = 0;
    }else{
      nArg = tokenize_line(zLine, count(azArg), azArg);
      for(i=0; i<nArg; i++){
................................................................................
        int n = strlen(azArg[i]);
        if( c=='c' && sqlite3_strnicmp(azArg[i],"content-disposition:",n)==0 ){
          i++;
        }else if( c=='n' && sqlite3_strnicmp(azArg[i],"name=",n)==0 ){
          zName = azArg[++i];
        }else if( c=='f' && sqlite3_strnicmp(azArg[i],"filename=",n)==0 ){
          char *z = azArg[++i];

          if( zName && z && fossil_islower(zName[0]) ){
            cgi_set_parameter_nocopy(mprintf("%s:filename",zName), z, 1);




          }
          showBytes = 1;
        }else if( c=='c' && sqlite3_strnicmp(azArg[i],"content-type:",n)==0 ){
          char *z = azArg[++i];

          if( zName && z && fossil_islower(zName[0]) ){
            cgi_set_parameter_nocopy(mprintf("%s:mimetype",zName), z, 1);




          }
        }
      }
    }
  }
}

................................................................................
**
** SCGI typically omits PATH_INFO.  CGI sometimes omits REQUEST_URI and
** PATH_INFO when it is empty.
*/
void cgi_init(void){
  char *z;
  const char *zType;

  int len;
  const char *zRequestUri = cgi_parameter("REQUEST_URI",0);
  const char *zScriptName = cgi_parameter("SCRIPT_NAME",0);
  const char *zPathInfo = cgi_parameter("PATH_INFO",0);

#ifdef FOSSIL_ENABLE_JSON

  json_main_bootstrap();
#endif
  g.isHTTP = 1;
  cgi_destination(CGI_BODY);
  if( zScriptName==0 ) malformed_request("missing SCRIPT_NAME");
  if( zRequestUri==0 ){
    const char *z = zPathInfo;
    if( zPathInfo==0 ){
................................................................................

  z = (char*)P("REMOTE_ADDR");
  if( z ){
    g.zIpAddr = mprintf("%s", z);
  }

  len = atoi(PD("CONTENT_LENGTH", "0"));
  g.zContentType = zType = P("CONTENT_TYPE");







  blob_zero(&g.cgiIn);
  if( len>0 && zType ){
    if( fossil_strcmp(zType, "application/x-fossil")==0 ){
      blob_read_from_channel(&g.cgiIn, g.httpIn, len);
      blob_uncompress(&g.cgiIn, &g.cgiIn);
    }
#ifdef FOSSIL_ENABLE_JSON
    else if( fossil_strcmp(zType, "application/json")==0
              || fossil_strcmp(zType,"text/plain")==0/*assume this MIGHT be JSON*/
              || fossil_strcmp(zType,"application/javascript")==0){
      g.json.isJsonMode = 1;
      cgi_parse_POST_JSON(g.httpIn, (unsigned int)len);
      /* FIXMEs:

      - See if fossil really needs g.cgiIn to be set for this purpose
      (i don't think it does). If it does then fill g.cgiIn and
      refactor to parse the JSON from there.

  nUsedQP++;
  sortQP = 1;
}

/*
** Add another query parameter or cookie to the parameter set.
** zName is the name of the query parameter or cookie and zValue
** is its fully decoded value.  zName will be modified to be an
** all lowercase string.
**
** zName and zValue are not copied and must not change or be
** deallocated after this routine returns.  This routine changes
** all ASCII alphabetic characters in zName to lower case.  The
** caller must not change them back.
*/
void cgi_set_parameter_nocopy_tolower(
  char *zName,
  const char *zValue,
  int isQP
){
  int i;
  for(i=0; zName[i]; i++){ zName[i] = fossil_tolower(zName[i]); }
  cgi_set_parameter_nocopy(zName, zValue, isQP);
}

/*
** Add another query parameter or cookie to the parameter set.
** zName is the name of the query parameter or cookie and zValue
** is its fully decoded value.
**
** Copies are made of both the zName and zValue parameters.
*/
void cgi_set_parameter(const char *zName, const char *zValue){
  cgi_set_parameter_nocopy(mprintf("%s",zName), mprintf("%s",zValue), 0);
}
................................................................................
    if( fossil_strcmp(aParamQP[i].zName,zName)==0 ){
      aParamQP[i].zValue = zValue;
      assert( aParamQP[i].isQP );
      return;
    }
  }
  cgi_set_parameter_nocopy(zName, zValue, 1);
}
void cgi_replace_query_parameter_tolower(char *zName, const char *zValue){
  int i;
  for(i=0; zName[i]; i++){ zName[i] = fossil_tolower(zName[i]); }
  cgi_replace_query_parameter(zName, zValue);
}

/*
** Delete a parameter.
*/
void cgi_delete_parameter(const char *zName){
  int i;
................................................................................
/*
** Add a query parameter.  The zName portion is fixed but a copy
** must be made of zValue.
*/
void cgi_setenv(const char *zName, const char *zValue){
  cgi_set_parameter_nocopy(zName, mprintf("%s",zValue), 0);
}


/*
** Add a list of query parameters or cookies to the parameter set.
**
** Each parameter is of the form NAME=VALUE.  Both the NAME and the
** VALUE may be url-encoded ("+" for space, "%HH" for other special
** characters).  But this routine assumes that NAME contains no
................................................................................
        z++;
      }
      dehttpize(zValue);
    }else{
      if( *z ){ *z++ = 0; }
      zValue = "";
    }
    if( zName[0] && fossil_no_strange_characters(zName+1) ){
      if( fossil_islower(zName[0]) ){
        cgi_set_parameter_nocopy(zName, zValue, isQP);
      }else if( fossil_isupper(zName[0]) ){
        cgi_set_parameter_nocopy_tolower(zName, zValue, isQP);
      }
    }
#ifdef FOSSIL_ENABLE_JSON
    json_setenv( zName, cson_value_new_string(zValue,strlen(zValue)) );
#endif /* FOSSIL_ENABLE_JSON */
  }
}

................................................................................

  zBoundry = get_line_from_string(&z, &len);
  if( zBoundry==0 ) return;
  while( (zLine = get_line_from_string(&z, &len))!=0 ){
    if( zLine[0]==0 ){
      int nContent = 0;
      zValue = get_bounded_content(&z, &len, zBoundry, &nContent);
      if( zName && zValue ){
        if( fossil_islower(zName[0]) ){
          cgi_set_parameter_nocopy(zName, zValue, 1);
          if( showBytes ){
            cgi_set_parameter_nocopy(mprintf("%s:bytes", zName),
                 mprintf("%d",nContent), 1);
          }
        }else if( fossil_isupper(zName[0]) ){
          cgi_set_parameter_nocopy_tolower(zName, zValue, 1);
          if( showBytes ){
            cgi_set_parameter_nocopy_tolower(mprintf("%s:bytes", zName),
                 mprintf("%d",nContent), 1);
          }
        }
      }
      zName = 0;
      showBytes = 0;
    }else{
      nArg = tokenize_line(zLine, count(azArg), azArg);
      for(i=0; i<nArg; i++){
................................................................................
        int n = strlen(azArg[i]);
        if( c=='c' && sqlite3_strnicmp(azArg[i],"content-disposition:",n)==0 ){
          i++;
        }else if( c=='n' && sqlite3_strnicmp(azArg[i],"name=",n)==0 ){
          zName = azArg[++i];
        }else if( c=='f' && sqlite3_strnicmp(azArg[i],"filename=",n)==0 ){
          char *z = azArg[++i];
          if( zName && z ){
            if( fossil_islower(zName[0]) ){
              cgi_set_parameter_nocopy(mprintf("%s:filename",zName), z, 1);
            }else if( fossil_isupper(zName[0]) ){
              cgi_set_parameter_nocopy_tolower(mprintf("%s:filename",zName),
                                               z, 1);
            }
          }
          showBytes = 1;
        }else if( c=='c' && sqlite3_strnicmp(azArg[i],"content-type:",n)==0 ){
          char *z = azArg[++i];
          if( zName && z ){
            if( fossil_islower(zName[0]) ){
              cgi_set_parameter_nocopy(mprintf("%s:mimetype",zName), z, 1);
            }else if( fossil_isupper(zName[0]) ){
              cgi_set_parameter_nocopy_tolower(mprintf("%s:mimetype",zName),
                                               z, 1);
            }
          }
        }
      }
    }
  }
}

................................................................................
**
** SCGI typically omits PATH_INFO.  CGI sometimes omits REQUEST_URI and
** PATH_INFO when it is empty.
*/
void cgi_init(void){
  char *z;
  const char *zType;
  char *zSemi;
  int len;
  const char *zRequestUri = cgi_parameter("REQUEST_URI",0);
  const char *zScriptName = cgi_parameter("SCRIPT_NAME",0);
  const char *zPathInfo = cgi_parameter("PATH_INFO",0);

#ifdef FOSSIL_ENABLE_JSON
  int noJson = P("no_json")!=0;
  if( noJson==0 ){ json_main_bootstrap(); }
#endif
  g.isHTTP = 1;
  cgi_destination(CGI_BODY);
  if( zScriptName==0 ) malformed_request("missing SCRIPT_NAME");
  if( zRequestUri==0 ){
    const char *z = zPathInfo;
    if( zPathInfo==0 ){
................................................................................

  z = (char*)P("REMOTE_ADDR");
  if( z ){
    g.zIpAddr = mprintf("%s", z);
  }

  len = atoi(PD("CONTENT_LENGTH", "0"));
  zType = P("CONTENT_TYPE");
  zSemi = zType ? strchr(zType, ';') : 0;
  if( zSemi ){
    g.zContentType = mprintf("%.*s", (int)(zSemi-zType), zType);
    zType = g.zContentType;
  }else{
    g.zContentType = zType;
  }
  blob_zero(&g.cgiIn);
  if( len>0 && zType ){
    if( fossil_strcmp(zType, "application/x-fossil")==0 ){
      blob_read_from_channel(&g.cgiIn, g.httpIn, len);
      blob_uncompress(&g.cgiIn, &g.cgiIn);
    }
#ifdef FOSSIL_ENABLE_JSON
    else if( noJson==0 && (fossil_strcmp(zType, "application/json")==0
              || fossil_strcmp(zType,"text/plain")==0/*assume this MIGHT be JSON*/
              || fossil_strcmp(zType,"application/javascript")==0) ){
      g.json.isJsonMode = 1;
      cgi_parse_POST_JSON(g.httpIn, (unsigned int)len);
      /* FIXMEs:

      - See if fossil really needs g.cgiIn to be set for this purpose
      (i don't think it does). If it does then fill g.cgiIn and
      refactor to parse the JSON from there.

  ** Check that the user exists.
  */
  if( !db_exists("SELECT 1 FROM user WHERE login=%Q", g.zLogin) ){
    fossil_fatal("no such user: %s", g.zLogin);
  }

  hasChanges = unsaved_changes(useHash ? CKSIG_HASH : 0);
  db_begin_write();
  db_record_repository_filename(0);
  if( hasChanges==0 && !isAMerge && !allowEmpty && !forceFlag ){
    fossil_fatal("nothing has changed; use --allow-empty to override");
  }

  /* If none of the files that were named on the command line have
  ** been modified, bail out now unless the --allow-empty or --force
................................................................................
      if( cReply!='y' && cReply!='Y' ){
        fossil_exit(1);
      }
    }
  }else{
    db_multi_exec("REPLACE INTO vvar VALUES('ci-comment',%B)", &comment);
    db_end_transaction(0);
    db_begin_write();
  }

  /*
  ** Step 1: Compute an aggregate MD5 checksum over the disk image
  ** of every file in vid.  The file names are part of the checksum.
  ** The resulting checksum is the same as is expected on the R-card
  ** of a manifest.

  ** Check that the user exists.
  */
  if( !db_exists("SELECT 1 FROM user WHERE login=%Q", g.zLogin) ){
    fossil_fatal("no such user: %s", g.zLogin);
  }

  hasChanges = unsaved_changes(useHash ? CKSIG_HASH : 0);
  db_begin_transaction();
  db_record_repository_filename(0);
  if( hasChanges==0 && !isAMerge && !allowEmpty && !forceFlag ){
    fossil_fatal("nothing has changed; use --allow-empty to override");
  }

  /* If none of the files that were named on the command line have
  ** been modified, bail out now unless the --allow-empty or --force
................................................................................
      if( cReply!='y' && cReply!='Y' ){
        fossil_exit(1);
      }
    }
  }else{
    db_multi_exec("REPLACE INTO vvar VALUES('ci-comment',%B)", &comment);
    db_end_transaction(0);
    db_begin_transaction();
  }

  /*
  ** Step 1: Compute an aggregate MD5 checksum over the disk image
  ** of every file in vid.  The file names are part of the checksum.
  ** The resulting checksum is the same as is expected on the R-card
  ** of a manifest.

  char *zVers;                   /* Version to checkout */
  int promptFlag;                /* True to prompt before overwriting */
  int vid, prior;
  int setmtimeFlag;              /* --setmtime.  Set mtimes on files */
  Blob cksum1, cksum1b, cksum2;

  db_must_be_within_tree();
  db_begin_write();
  forceFlag = find_option("force","f",0)!=0;
  forceMissingFlag = find_option("force-missing",0,0)!=0;
  keepFlag = find_option("keep",0,0)!=0;
  latestFlag = find_option("latest",0,0)!=0;
  promptFlag = find_option("prompt",0,0)!=0 || forceFlag==0;
  setmtimeFlag = find_option("setmtime",0,0)!=0;

  char *zVers;                   /* Version to checkout */
  int promptFlag;                /* True to prompt before overwriting */
  int vid, prior;
  int setmtimeFlag;              /* --setmtime.  Set mtimes on files */
  Blob cksum1, cksum1b, cksum2;

  db_must_be_within_tree();
  db_begin_transaction();
  forceFlag = find_option("force","f",0)!=0;
  forceMissingFlag = find_option("force-missing",0,0)!=0;
  keepFlag = find_option("keep",0,0)!=0;
  latestFlag = find_option("latest",0,0)!=0;
  promptFlag = find_option("prompt",0,0)!=0 || forceFlag==0;
  setmtimeFlag = find_option("setmtime",0,0)!=0;

    }
    fossil_print("Repository cloned into %s\n", g.argv[3]);
  }else{
    db_close_config();
    db_create_repository(g.argv[3]);
    db_open_repository(g.argv[3]);
    db_open_config(0,0);
    db_begin_write();
    db_record_repository_filename(g.argv[3]);
    db_initial_setup(0, 0, zDefaultUser);
    user_select();
    db_set("content-schema", CONTENT_SCHEMA, 0);
    db_set("aux-schema", AUX_SCHEMA_MAX, 0);
    db_set("rebuilt", get_version(), 0);
    db_unset("hash-policy", 0);
................................................................................
    db_close(1);
    if( nErr ){
      file_delete(g.argv[3]);
      fossil_fatal("server returned an error - clone aborted");
    }
    db_open_repository(g.argv[3]);
  }
  db_begin_write();
  fossil_print("Rebuilding repository meta-data...\n");
  rebuild_db(0, 1, 0);
  if( !noCompress ){
    fossil_print("Extra delta compression... "); fflush(stdout);
    extra_deltification();
    fossil_print("\n");
  }

    }
    fossil_print("Repository cloned into %s\n", g.argv[3]);
  }else{
    db_close_config();
    db_create_repository(g.argv[3]);
    db_open_repository(g.argv[3]);
    db_open_config(0,0);
    db_begin_transaction();
    db_record_repository_filename(g.argv[3]);
    db_initial_setup(0, 0, zDefaultUser);
    user_select();
    db_set("content-schema", CONTENT_SCHEMA, 0);
    db_set("aux-schema", AUX_SCHEMA_MAX, 0);
    db_set("rebuilt", get_version(), 0);
    db_unset("hash-policy", 0);
................................................................................
    db_close(1);
    if( nErr ){
      file_delete(g.argv[3]);
      fossil_fatal("server returned an error - clone aborted");
    }
    db_open_repository(g.argv[3]);
  }
  db_begin_transaction();
  fossil_print("Rebuilding repository meta-data...\n");
  rebuild_db(0, 1, 0);
  if( !noCompress ){
    fossil_print("Extra delta compression... "); fflush(stdout);
    extra_deltification();
    fossil_print("\n");
  }

  const char *zName;   /* Name of the configuration parameter */
  int groupMask;       /* Which config groups is it part of */
} aConfig[] = {
  { "css",                    CONFIGSET_CSS  },
  { "header",                 CONFIGSET_SKIN },
  { "footer",                 CONFIGSET_SKIN },
  { "details",                CONFIGSET_SKIN },

  { "logo-mimetype",          CONFIGSET_SKIN },
  { "logo-image",             CONFIGSET_SKIN },
  { "background-mimetype",    CONFIGSET_SKIN },
  { "background-image",       CONFIGSET_SKIN },
  { "timeline-block-markup",  CONFIGSET_SKIN },
  { "timeline-date-format",   CONFIGSET_SKIN },
  { "timeline-dwelltime",     CONFIGSET_SKIN },
................................................................................
  }else
  if( strncmp(zMethod, "import", n)==0
       || strncmp(zMethod, "merge", n)==0 ){
    Blob in;
    int groupMask;
    if( g.argc!=4 ) usage(mprintf("%s FILENAME",zMethod));
    blob_read_from_file(&in, g.argv[3], ExtFILE);
    db_begin_write();
    if( zMethod[0]=='i' ){
      groupMask = CONFIGSET_ALL | CONFIGSET_OVERWRITE;
    }else{
      groupMask = CONFIGSET_ALL;
    }
    configure_receive_all(&in, groupMask);
    db_end_transaction(0);
................................................................................
  if( strncmp(zMethod, "reset", n)==0 ){
    int mask, i;
    char *zBackup;
    if( g.argc!=4 ) usage("reset AREA");
    mask = configure_name_to_mask(g.argv[3], 1);
    zBackup = db_text(0,
       "SELECT strftime('config-backup-%%Y%%m%%d%%H%%M%%f','now')");
    db_begin_write();
    export_config(mask, g.argv[3], 0, zBackup);
    for(i=0; i<count(aConfig); i++){
      const char *zName = aConfig[i].zName;
      if( (aConfig[i].groupMask & mask)==0 ) continue;
      if( zName[0]!='@' ){
        db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
      }else if( fossil_strcmp(zName,"@user")==0 ){

  const char *zName;   /* Name of the configuration parameter */
  int groupMask;       /* Which config groups is it part of */
} aConfig[] = {
  { "css",                    CONFIGSET_CSS  },
  { "header",                 CONFIGSET_SKIN },
  { "footer",                 CONFIGSET_SKIN },
  { "details",                CONFIGSET_SKIN },
  { "js",                     CONFIGSET_SKIN },
  { "logo-mimetype",          CONFIGSET_SKIN },
  { "logo-image",             CONFIGSET_SKIN },
  { "background-mimetype",    CONFIGSET_SKIN },
  { "background-image",       CONFIGSET_SKIN },
  { "timeline-block-markup",  CONFIGSET_SKIN },
  { "timeline-date-format",   CONFIGSET_SKIN },
  { "timeline-dwelltime",     CONFIGSET_SKIN },
................................................................................
  }else
  if( strncmp(zMethod, "import", n)==0
       || strncmp(zMethod, "merge", n)==0 ){
    Blob in;
    int groupMask;
    if( g.argc!=4 ) usage(mprintf("%s FILENAME",zMethod));
    blob_read_from_file(&in, g.argv[3], ExtFILE);
    db_begin_transaction();
    if( zMethod[0]=='i' ){
      groupMask = CONFIGSET_ALL | CONFIGSET_OVERWRITE;
    }else{
      groupMask = CONFIGSET_ALL;
    }
    configure_receive_all(&in, groupMask);
    db_end_transaction(0);
................................................................................
  if( strncmp(zMethod, "reset", n)==0 ){
    int mask, i;
    char *zBackup;
    if( g.argc!=4 ) usage("reset AREA");
    mask = configure_name_to_mask(g.argv[3], 1);
    zBackup = db_text(0,
       "SELECT strftime('config-backup-%%Y%%m%%d%%H%%M%%f','now')");
    db_begin_transaction();
    export_config(mask, g.argv[3], 0, zBackup);
    for(i=0; i<count(aConfig); i++){
      const char *zName = aConfig[i].zName;
      if( (aConfig[i].groupMask & mask)==0 ) continue;
      if( zName[0]!='@' ){
        db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
      }else if( fossil_strcmp(zName,"@user")==0 ){

  Blob hash;
  int markAsUnclustered = 0;
  int isDephantomize = 0;

  assert( g.repositoryOpen );
  assert( pBlob!=0 );
  assert( srcId==0 || zUuid!=0 );
  db_begin_write();
  if( zUuid==0 ){
    assert( nBlob==0 );
    /* First check the auxiliary hash to see if there is already an artifact
    ** that uses the auxiliary hash name */
    hname_hash(pBlob, 1, &hash);
    rid = fast_uuid_to_rid(blob_str(&hash));
    if( rid==0 ){
................................................................................
** Create a new phantom with the given UUID and return its artifact ID.
*/
int content_new(const char *zUuid, int isPrivate){
  int rid;
  static Stmt s1, s2, s3;

  assert( g.repositoryOpen );
  db_begin_write();
  if( uuid_is_shunned(zUuid) ){
    db_end_transaction(0);
    return 0;
  }
  db_static_prepare(&s1,
    "INSERT INTO blob(rcvid,size,uuid,content)"
    "VALUES(0,-1,:uuid,NULL)"
................................................................................
  ** make that candidate the new parent now */
  if( bestSrc>0 ){
    Stmt s1, s2;  /* Statements used to create the delta */
    blob_compress(&bestDelta, &bestDelta);
    db_prepare(&s1, "UPDATE blob SET content=:data WHERE rid=%d", rid);
    db_prepare(&s2, "REPLACE INTO delta(rid,srcid)VALUES(%d,%d)", rid, bestSrc);
    db_bind_blob(&s1, ":data", &bestDelta);
    db_begin_write();
    db_exec(&s1);
    db_exec(&s2);
    db_end_transaction(0);
    db_finalize(&s1);
    db_finalize(&s2);
    verify_before_commit(rid);
    rc = 1;
................................................................................
              "might irrecoverably damage the repository.  Make sure you\n"
              "have a backup copy!\n"
              "Continue? (y/N)? ", &x);
  c = blob_str(&x)[0];
  blob_reset(&x);
  if( c!='y' && c!='Y' ) return;
  db_find_and_open_repository(OPEN_ANY_SCHEMA, 0);
  db_begin_write();
  db_prepare(&q, "SELECT rid FROM delta WHERE srcid=:rid");
  for(i=2; i<g.argc; i++){
    int rid = atoi(g.argv[i]);
    fossil_print("Erasing artifact %d (%s)\n",
                 rid, db_text("", "SELECT uuid FROM blob WHERE rid=%d", rid));
    db_bind_int(&q, ":rid", rid);
    while( db_step(&q)==SQLITE_ROW ){

  Blob hash;
  int markAsUnclustered = 0;
  int isDephantomize = 0;

  assert( g.repositoryOpen );
  assert( pBlob!=0 );
  assert( srcId==0 || zUuid!=0 );
  db_begin_transaction();
  if( zUuid==0 ){
    assert( nBlob==0 );
    /* First check the auxiliary hash to see if there is already an artifact
    ** that uses the auxiliary hash name */
    hname_hash(pBlob, 1, &hash);
    rid = fast_uuid_to_rid(blob_str(&hash));
    if( rid==0 ){
................................................................................
** Create a new phantom with the given UUID and return its artifact ID.
*/
int content_new(const char *zUuid, int isPrivate){
  int rid;
  static Stmt s1, s2, s3;

  assert( g.repositoryOpen );
  db_begin_transaction();
  if( uuid_is_shunned(zUuid) ){
    db_end_transaction(0);
    return 0;
  }
  db_static_prepare(&s1,
    "INSERT INTO blob(rcvid,size,uuid,content)"
    "VALUES(0,-1,:uuid,NULL)"
................................................................................
  ** make that candidate the new parent now */
  if( bestSrc>0 ){
    Stmt s1, s2;  /* Statements used to create the delta */
    blob_compress(&bestDelta, &bestDelta);
    db_prepare(&s1, "UPDATE blob SET content=:data WHERE rid=%d", rid);
    db_prepare(&s2, "REPLACE INTO delta(rid,srcid)VALUES(%d,%d)", rid, bestSrc);
    db_bind_blob(&s1, ":data", &bestDelta);
    db_begin_transaction();
    db_exec(&s1);
    db_exec(&s2);
    db_end_transaction(0);
    db_finalize(&s1);
    db_finalize(&s2);
    verify_before_commit(rid);
    rc = 1;
................................................................................
              "might irrecoverably damage the repository.  Make sure you\n"
              "have a backup copy!\n"
              "Continue? (y/N)? ", &x);
  c = blob_str(&x)[0];
  blob_reset(&x);
  if( c!='y' && c!='Y' ) return;
  db_find_and_open_repository(OPEN_ANY_SCHEMA, 0);
  db_begin_transaction();
  db_prepare(&q, "SELECT rid FROM delta WHERE srcid=:rid");
  for(i=2; i<g.argc; i++){
    int rid = atoi(g.argv[i]);
    fossil_print("Erasing artifact %d (%s)\n",
                 rid, db_text("", "SELECT uuid FROM blob WHERE rid=%d", rid));
    db_bind_int(&q, ":rid", rid);
    while( db_step(&q)==SQLITE_ROW ){

  if( g.xferPanic && g.cgiOutput==1 ){
    cgi_reset_content();
    @ error Database\serror:\s%F(z)
    cgi_reply();
  }
  fossil_fatal("Database error: %s", z);
}













/*
** All static variable that a used by only this file are gathered into
** the following structure.
*/
static struct DbLocalData {
  int nBegin;               /* Nesting depth of BEGIN */
................................................................................
/*
** Reset or finalize a statement.
*/
int db_reset(Stmt *pStmt){
  int rc;
  db_stats(pStmt);
  rc = sqlite3_reset(pStmt->pStmt);
  db_check_result(rc);
  return rc;
}
int db_finalize(Stmt *pStmt){
  int rc;
  if( pStmt->pNext ){
    pStmt->pNext->pPrev = pStmt->pPrev;
  }
................................................................................
    db.pAllStmt = pStmt->pNext;
  }
  pStmt->pNext = 0;
  pStmt->pPrev = 0;
  db_stats(pStmt);
  blob_reset(&pStmt->sql);
  rc = sqlite3_finalize(pStmt->pStmt);
  db_check_result(rc);
  pStmt->pStmt = 0;
  return rc;
}

/*
** Return the rowid of the most recent insert
*/
................................................................................
** invalid when the statement is stepped or reset.
*/
void db_ephemeral_blob(Stmt *pStmt, int N, Blob *pBlob){
  blob_init(pBlob, sqlite3_column_blob(pStmt->pStmt, N),
              sqlite3_column_bytes(pStmt->pStmt, N));
}

/*
** Check a result code.  If it is not SQLITE_OK, print the
** corresponding error message and exit.
*/
void db_check_result(int rc){
  if( rc!=SQLITE_OK ){
    db_err("SQL error: %s", sqlite3_errmsg(g.db));
  }
}

/*
** Execute a single prepared statement until it finishes.
*/
int db_exec(Stmt *pStmt){
  int rc;
  while( (rc = db_step(pStmt))==SQLITE_ROW ){}
  rc = db_reset(pStmt);
  db_check_result(rc);
  return rc;
}














/*
** Print the output of one or more SQL queries on standard output.
** This routine is used for debugging purposes only.
*/
int db_debug(const char *zSql, ...){
  Blob sql;
................................................................................
    fossil_fatal("file already exists: %s", g.argv[2]);
  }

  db_create_repository(g.argv[2]);
  db_open_repository(g.argv[2]);
  db_open_config(0, 0);
  if( zTemplate ) db_attach(zTemplate, "settingSrc");
  db_begin_write();
  if( bUseSha1 ){
    g.eHashPolicy = HPOLICY_SHA1;
    db_set_int("hash-policy", HPOLICY_SHA1, 0);
  }
  if( zDate==0 ) zDate = "now";
  db_initial_setup(zTemplate, zDate, zDefaultUser);
  db_end_transaction(0);
................................................................................
    z = fossil_strdup(zDefault);
  }else if( zFormat!=0 ){
    z = db_text(0, "SELECT strftime(%Q,%Q,'unixepoch');", zFormat, z);
  }
  return z;
}
void db_set(const char *zName, const char *zValue, int globalFlag){
  db_begin_write();
  if( globalFlag ){
    db_swap_connections();
    db_multi_exec("REPLACE INTO global_config(name,value) VALUES(%Q,%Q)",
                   zName, zValue);
    db_swap_connections();
  }else{
    db_multi_exec("REPLACE INTO config(name,value,mtime) VALUES(%Q,%Q,now())",
................................................................................
  }
  if( globalFlag && g.repositoryOpen ){
    db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
  }
  db_end_transaction(0);
}
void db_unset(const char *zName, int globalFlag){
  db_begin_write();
  if( globalFlag ){
    db_swap_connections();
    db_multi_exec("DELETE FROM global_config WHERE name=%Q", zName);
    db_swap_connections();
  }else{
    db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
  }
................................................................................
** For maximum security, set "localauth" to 1.  However, because
** of the other restrictions (2) through (4), it should be safe
** to leave "localauth" set to 0 in most installations, and 
** especially on cloned repositories on workstations. Leaving
** "localauth" at 0 makes the "fossil ui" command more convenient
** to use.
*/


















/*
** SETTING: main-branch      width=40 default=trunk
** The value is the primary branch for the project.
*/
/*
** SETTING: manifest         width=5 versionable
** If enabled, automatically create files "manifest" and "manifest.uuid"

  if( g.xferPanic && g.cgiOutput==1 ){
    cgi_reset_content();
    @ error Database\serror:\s%F(z)
    cgi_reply();
  }
  fossil_fatal("Database error: %s", z);
}

/*
** Check a result code.  If it is not SQLITE_OK, print the
** corresponding error message and exit.
*/
static void db_check_result(int rc, Stmt *pStmt){
  if( rc!=SQLITE_OK ){
    db_err("SQL error (%d,%d: %s) while running [%s]",
       rc, sqlite3_extended_errcode(g.db),
       sqlite3_errmsg(g.db), blob_str(&pStmt->sql));
  }
}

/*
** All static variable that a used by only this file are gathered into
** the following structure.
*/
static struct DbLocalData {
  int nBegin;               /* Nesting depth of BEGIN */
................................................................................
/*
** Reset or finalize a statement.
*/
int db_reset(Stmt *pStmt){
  int rc;
  db_stats(pStmt);
  rc = sqlite3_reset(pStmt->pStmt);
  db_check_result(rc, pStmt);
  return rc;
}
int db_finalize(Stmt *pStmt){
  int rc;
  if( pStmt->pNext ){
    pStmt->pNext->pPrev = pStmt->pPrev;
  }
................................................................................
    db.pAllStmt = pStmt->pNext;
  }
  pStmt->pNext = 0;
  pStmt->pPrev = 0;
  db_stats(pStmt);
  blob_reset(&pStmt->sql);
  rc = sqlite3_finalize(pStmt->pStmt);
  db_check_result(rc, pStmt);
  pStmt->pStmt = 0;
  return rc;
}

/*
** Return the rowid of the most recent insert
*/
................................................................................
** invalid when the statement is stepped or reset.
*/
void db_ephemeral_blob(Stmt *pStmt, int N, Blob *pBlob){
  blob_init(pBlob, sqlite3_column_blob(pStmt->pStmt, N),
              sqlite3_column_bytes(pStmt->pStmt, N));
}











/*
** Execute a single prepared statement until it finishes.
*/
int db_exec(Stmt *pStmt){
  int rc;
  while( (rc = db_step(pStmt))==SQLITE_ROW ){}
  rc = db_reset(pStmt);
  db_check_result(rc, pStmt);
  return rc;
}

/*
** COMMAND: test-db-exec-error
**
** Invoke the db_exec() interface with an erroneous SQL statement
** in order to verify the error handling logic.
*/
void db_test_db_exec_cmd(void){
  Stmt err;
  db_find_and_open_repository(0,0);
  db_prepare(&err, "INSERT INTO repository.config(name) VALUES(NULL);");
  db_exec(&err);
}

/*
** Print the output of one or more SQL queries on standard output.
** This routine is used for debugging purposes only.
*/
int db_debug(const char *zSql, ...){
  Blob sql;
................................................................................
    fossil_fatal("file already exists: %s", g.argv[2]);
  }

  db_create_repository(g.argv[2]);
  db_open_repository(g.argv[2]);
  db_open_config(0, 0);
  if( zTemplate ) db_attach(zTemplate, "settingSrc");
  db_begin_transaction();
  if( bUseSha1 ){
    g.eHashPolicy = HPOLICY_SHA1;
    db_set_int("hash-policy", HPOLICY_SHA1, 0);
  }
  if( zDate==0 ) zDate = "now";
  db_initial_setup(zTemplate, zDate, zDefaultUser);
  db_end_transaction(0);
................................................................................
    z = fossil_strdup(zDefault);
  }else if( zFormat!=0 ){
    z = db_text(0, "SELECT strftime(%Q,%Q,'unixepoch');", zFormat, z);
  }
  return z;
}
void db_set(const char *zName, const char *zValue, int globalFlag){
  db_begin_transaction();
  if( globalFlag ){
    db_swap_connections();
    db_multi_exec("REPLACE INTO global_config(name,value) VALUES(%Q,%Q)",
                   zName, zValue);
    db_swap_connections();
  }else{
    db_multi_exec("REPLACE INTO config(name,value,mtime) VALUES(%Q,%Q,now())",
................................................................................
  }
  if( globalFlag && g.repositoryOpen ){
    db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
  }
  db_end_transaction(0);
}
void db_unset(const char *zName, int globalFlag){
  db_begin_transaction();
  if( globalFlag ){
    db_swap_connections();
    db_multi_exec("DELETE FROM global_config WHERE name=%Q", zName);
    db_swap_connections();
  }else{
    db_multi_exec("DELETE FROM config WHERE name=%Q", zName);
  }
................................................................................
** For maximum security, set "localauth" to 1.  However, because
** of the other restrictions (2) through (4), it should be safe
** to leave "localauth" set to 0 in most installations, and 
** especially on cloned repositories on workstations. Leaving
** "localauth" at 0 makes the "fossil ui" command more convenient
** to use.
*/
/*
** SETTING: lock-timeout  width=25 default=86400
** This is the number of seconds that a check-in lock will be held on
** the server before the lock expires.  The default is a 24-hour delay.
** Set this value to zero to disable the check-in lock mechanism.
**
** This value should be set on the server to which users auto-sync
** their work.  This setting has no affect on client repositories.  The
** check-in lock mechanism is only effective if all users are auto-syncing
** to the same server.
**
** Check-in locks are an advisory mechanism designed to help prevent
** accidental forks due to a check-in race in installations where many
** user are  committing to the same branch and auto-sync is enabled.
** As forks are harmless, there is no harm in disabling this mechanism.
** However, keeping check-in locks turned on can help prevent unnecessary
** confusion.
*/
/*
** SETTING: main-branch      width=40 default=trunk
** The value is the primary branch for the project.
*/
/*
** SETTING: manifest         width=5 versionable
** If enabled, automatically create files "manifest" and "manifest.uuid"

  font-size: small;
}
tr.timelineCurrent {
  padding: .1em .2em;
  border: 1px dashed #446979;
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}
tr.timelineSelected {
  padding: .1em .2em;
  border: 2px solid lightgray;
  background-color: #ffc;
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}



tr.timelineSelected td {
  border-radius: 0;
  border-width: 0;
}
tr.timelineCurrent td {
  border-radius: 0;
  border-width: 0;

  font-size: small;
}
tr.timelineCurrent {
  padding: .1em .2em;
  border: 1px dashed #446979;
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}
.timelineSelected {
  padding: .1em .2em;
  border: 2px solid lightgray;
  background-color: #ffc;
  box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}
.timelineSecondary {
  background-color: #cff;
}
tr.timelineSelected td {
  border-radius: 0;
  border-width: 0;
}
tr.timelineCurrent td {
  border-radius: 0;
  border-width: 0;

    "     ORDER BY mtime DESC LIMIT %d"
    "  )"
    "INSERT INTO ok"
    "  SELECT rid FROM ancestor;",
    rid, rid, directOnly ? "AND plink.isPrim" : "", N
  );
}


























/*
** Compute all direct ancestors (merge ancestors do not count)
** for the check-in rid and put them in a table named "ancestor".
** Label each generation with consecutive integers going backwards
** in time such that rid has the smallest generation number and the oldest
** direct ancestor as the largest generation number.
................................................................................
  blob_reset(&sql);
  /* Always specify TIMELINE_DISJOINT, or graph_finish() may fail because of too
  ** many descenders to (off-screen) parents. */
  tmFlags = TIMELINE_LEAFONLY | TIMELINE_DISJOINT | TIMELINE_NOSCROLL;
  if( fNg==0 ) tmFlags |= TIMELINE_GRAPH;
  if( fBrBg ) tmFlags |= TIMELINE_BRCOLOR;
  if( fUBg ) tmFlags |= TIMELINE_UCOLOR;
  www_print_timeline(&q, tmFlags, 0, 0, 0, 0, 0);
  db_finalize(&q);
  @ <br />
  style_footer();
}

#if INTERFACE
/* Flag parameters to compute_uses_file() */

    "     ORDER BY mtime DESC LIMIT %d"
    "  )"
    "INSERT INTO ok"
    "  SELECT rid FROM ancestor;",
    rid, rid, directOnly ? "AND plink.isPrim" : "", N
  );
}

/*
** Compute the youngest ancestor of record ID rid that is a member of
** branch zBranch.
*/
int compute_youngest_ancestor_in_branch(int rid, const char *zBranch){
  return db_int(0,
    "WITH RECURSIVE "
    "  ancestor(rid, mtime) AS ("
    "    SELECT %d, mtime FROM event WHERE objid=%d "
    "    UNION "
    "    SELECT plink.pid, event.mtime"
    "      FROM ancestor, plink, event"
    "     WHERE plink.cid=ancestor.rid"
    "       AND event.objid=plink.pid"
    "     ORDER BY mtime DESC"
    "  )"
    "  SELECT ancestor.rid FROM ancestor"
    "   WHERE EXISTS(SELECT 1 FROM tagxref"
                    " WHERE tagid=%d AND tagxref.rid=ancestor.rid"
                    "   AND value=%Q AND tagtype>0)"
    "  LIMIT 1",
    rid, rid, TAG_BRANCH, zBranch
  );
}

/*
** Compute all direct ancestors (merge ancestors do not count)
** for the check-in rid and put them in a table named "ancestor".
** Label each generation with consecutive integers going backwards
** in time such that rid has the smallest generation number and the oldest
** direct ancestor as the largest generation number.
................................................................................
  blob_reset(&sql);
  /* Always specify TIMELINE_DISJOINT, or graph_finish() may fail because of too
  ** many descenders to (off-screen) parents. */
  tmFlags = TIMELINE_LEAFONLY | TIMELINE_DISJOINT | TIMELINE_NOSCROLL;
  if( fNg==0 ) tmFlags |= TIMELINE_GRAPH;
  if( fBrBg ) tmFlags |= TIMELINE_BRCOLOR;
  if( fUBg ) tmFlags |= TIMELINE_UCOLOR;
  www_print_timeline(&q, tmFlags, 0, 0, 0, 0, 0, 0);
  db_finalize(&q);
  @ <br />
  style_footer();
}

#if INTERFACE
/* Flag parameters to compute_uses_file() */

      mxTime = 0;
    }
  }else{
    /* Default limit is as much as we can do in 1.000 seconds */
    iLimit = 0;
    mxTime = current_time_in_milliseconds()+1000;
  }
  db_begin_write();

  /* Get the artifact ID for the check-in begin analyzed */
  if( zRevision ){
    cid = name_to_typed_rid(zRevision, "ci");
  }else{
    db_must_be_within_tree();
    cid = db_lget_int("checkout", 0);

      mxTime = 0;
    }
  }else{
    /* Default limit is as much as we can do in 1.000 seconds */
    iLimit = 0;
    mxTime = current_time_in_milliseconds()+1000;
  }
  db_begin_transaction();

  /* Get the artifact ID for the check-in begin analyzed */
  if( zRevision ){
    cid = name_to_typed_rid(zRevision, "ci");
  }else{
    db_must_be_within_tree();
    cid = db_lget_int("checkout", 0);

      zName = "";
    }else{
      if( *z ){ *z++ = 0; }
      zValue = "";
    }
    if( fossil_islower(zName[0]) ){
      cgi_replace_query_parameter(zName, zValue);


    }
  }
  return 0;
}

/*
** Fill Blob with a space-separated list of all command names that

      zName = "";
    }else{
      if( *z ){ *z++ = 0; }
      zValue = "";
    }
    if( fossil_islower(zName[0]) ){
      cgi_replace_query_parameter(zName, zValue);
    }else if( fossil_isupper(zName[0]) ){
      cgi_replace_query_parameter_tolower(zName, zValue);
    }
  }
  return 0;
}

/*
** Fill Blob with a space-separated list of all command names that

      Blob tail;
      blob_zero(&tail);
      if( wiki_find_title(pBody, &title, &tail) ){
        style_header("%s", blob_str(&title));
        Th_Render(blob_str(&tail));
        blob_reset(&tail);
      }else{
        style_header("%h", zDefaultTitle);
        Th_Render(blob_str(pBody));
      }
    }else{
      Th_Render(blob_str(pBody));
    }
    if( !raw ){
      style_footer();

      Blob tail;
      blob_zero(&tail);
      if( wiki_find_title(pBody, &title, &tail) ){
        style_header("%s", blob_str(&title));
        Th_Render(blob_str(&tail));
        blob_reset(&tail);
      }else{
        style_header("%h", zFilename);
        Th_Render(blob_str(pBody));
      }
    }else{
      Th_Render(blob_str(pBody));
    }
    if( !raw ){
      style_footer();

}

/*
** Decode a fossilized string in-place.
*/
void defossilize(char *z){
  int i, j, c;
  for(i=0; (c=z[i])!=0 && c!='\\'; i++){}
  if( c==0 ) return;

  for(j=i; (c=z[i])!=0; i++){
    if( c=='\\' && z[i+1] ){
      i++;
      switch( z[i] ){
        case 'n':  c = '\n';  break;
        case 's':  c = ' ';   break;
        case 't':  c = '\t';  break;
................................................................................
/*
** Return true if the input string contains only valid base-16 digits.
** If any invalid characters appear in the string, return false.
*/
int validate16(const char *zIn, int nIn){
  int i;
  if( nIn<0 ) nIn = (int)strlen(zIn);



  for(i=0; i<nIn; i++, zIn++){
    if( zDecode[zIn[0]&0xff]>63 ){
      return zIn[0]==0;
    }
  }
  return 1;
}

}

/*
** Decode a fossilized string in-place.
*/
void defossilize(char *z){
  int i, j, c;
  char *zSlash = strchr(z, '\\');
  if( zSlash==0 ) return;
  i = zSlash - z;
  for(j=i; (c=z[i])!=0; i++){
    if( c=='\\' && z[i+1] ){
      i++;
      switch( z[i] ){
        case 'n':  c = '\n';  break;
        case 's':  c = ' ';   break;
        case 't':  c = '\t';  break;
................................................................................
/*
** Return true if the input string contains only valid base-16 digits.
** If any invalid characters appear in the string, return false.
*/
int validate16(const char *zIn, int nIn){
  int i;
  if( nIn<0 ) nIn = (int)strlen(zIn);
  if( zIn[nIn]==0 ){
    return strspn(zIn,"0123456789abcdefABCDEF")==nIn;
  }
  for(i=0; i<nIn; i++, zIn++){
    if( zDecode[zIn[0]&0xff]>63 ){
      return zIn[0]==0;
    }
  }
  return 1;
}

){
  Blob event;
  char *zDate;
  Blob cksum;
  int nrid, n;

  blob_init(&event, 0, 0);
  db_begin_write();
  while( fossil_isspace(zComment[0]) ) zComment++;
  n = strlen(zComment);
  while( n>0 && fossil_isspace(zComment[n-1]) ){ n--; }
  if( n>0 ){
    blob_appendf(&event, "C %#F\n", n, zComment);
  }
  zDate = date_in_standard_format("now");

){
  Blob event;
  char *zDate;
  Blob cksum;
  int nrid, n;

  blob_init(&event, 0, 0);
  db_begin_transaction();
  while( fossil_isspace(zComment[0]) ) zComment++;
  n = strlen(zComment);
  while( n>0 && fossil_isspace(zComment[n-1]) ){ n--; }
  if( n>0 ){
    blob_appendf(&event, "C %#F\n", n, zComment);
  }
  zDate = date_in_standard_format("now");

        if( z[i+2]=='/' || z[i+2]==0 ) return 0;
        if( z[i+2]=='.' && (z[i+3]=='/' || z[i+3]==0) ) return 0;
      }
    }
  }
  if( z[i-1]=='/' ) return 0;
  return 1;

















}

/*
** If the last component of the pathname in z[0]..z[j-1] is something
** other than ".." then back it out and return true.  If the last
** component is empty or if it is ".." then return false.
*/

        if( z[i+2]=='/' || z[i+2]==0 ) return 0;
        if( z[i+2]=='.' && (z[i+3]=='/' || z[i+3]==0) ) return 0;
      }
    }
  }
  if( z[i-1]=='/' ) return 0;
  return 1;
}
int file_is_simple_pathname_nonstrict(const char *z){
  unsigned char c = (unsigned char) z[0];
  if( c=='/' || c==0 ) return 0;
  if( c=='.' ){
    if( z[1]=='/' || z[1]==0 ) return 0;
    if( z[1]=='.' && (z[2]=='/' || z[2]==0) ) return 0;
  }
  while( (z = strchr(z+1, '/'))!=0 ){
    if( z[1]=='/' ) return 0;
    if( z[1]==0 ) return 0;
    if( z[1]=='.' ){
      if( z[2]=='/' || z[2]==0 ) return 0;
      if( z[2]=='.' && (z[3]=='/' || z[3]==0) ) return 0;
    }
  }
  return 1;
}

/*
** If the last component of the pathname in z[0]..z[j-1] is something
** other than ".." then back it out and return true.  If the last
** component is empty or if it is ".." then return false.
*/

      fossil_free(zUuid);
    }
  }else{
    blob_appendf(&title, "History of ");
    hyperlinked_path(zFilename, &title, 0, "tree", "");
    if( fShowId ) blob_appendf(&title, " (%d)", fnid);
  }



  @ <h2>%b(&title)</h2>
  blob_reset(&title);
  pGraph = graph_init();
  @ <table id="timelineTable%d(iTableId)" class="timelineTable">
  if( baseCheckin ){
    db_prepare(&qparent,
      "SELECT DISTINCT pid FROM mlink"
................................................................................
       /* 5 */ "  (SELECT uuid FROM blob WHERE rid=mlink.pmid),"
       /* 6 */ "  mperm,"
       /* 7 */ "  isaux"
       "  FROM mlink WHERE mid=%d ORDER BY 1",
       mid
    );
    @ <h1>MLINK table for check-in %h(zCI)</h1>
    render_checkin_context(mid, 1);
    style_table_sorter();
    @ <hr />
    @ <div class='brlist'>
    @ <table class='sortable' data-column-types='ttxtttt' data-init-sort='1'>
    @ <thead><tr>
    @ <th>File</th>
    @ <th>Parent<br>Check-in</th>

      fossil_free(zUuid);
    }
  }else{
    blob_appendf(&title, "History of ");
    hyperlinked_path(zFilename, &title, 0, "tree", "");
    if( fShowId ) blob_appendf(&title, " (%d)", fnid);
  }
  if( uBg ){
    blob_append(&title, " (color-coded by user)", -1);
  }
  @ <h2>%b(&title)</h2>
  blob_reset(&title);
  pGraph = graph_init();
  @ <table id="timelineTable%d(iTableId)" class="timelineTable">
  if( baseCheckin ){
    db_prepare(&qparent,
      "SELECT DISTINCT pid FROM mlink"
................................................................................
       /* 5 */ "  (SELECT uuid FROM blob WHERE rid=mlink.pmid),"
       /* 6 */ "  mperm,"
       /* 7 */ "  isaux"
       "  FROM mlink WHERE mid=%d ORDER BY 1",
       mid
    );
    @ <h1>MLINK table for check-in %h(zCI)</h1>
    render_checkin_context(mid, 0, 1);
    style_table_sorter();
    @ <hr />
    @ <div class='brlist'>
    @ <table class='sortable' data-column-types='ttxtttt' data-init-sort='1'>
    @ <thead><tr>
    @ <th>File</th>
    @ <th>Parent<br>Check-in</th>

  if( !incrFlag ){
    if( forceFlag ) file_delete(g.argv[2]);
    db_create_repository(g.argv[2]);
  }
  db_open_repository(g.argv[2]);
  db_open_config(0, 0);

  db_begin_write();
  if( !incrFlag ){
    db_initial_setup(0, 0, 0);
    db_set("main-branch", gimport.zTrunkName, 0);
  }

  if( svnFlag ){
    db_multi_exec(
................................................................................

  verify_cancel();
  db_end_transaction(0);
  fossil_print("                               \r");
  if( omitRebuild ){
    omitVacuum = 1;
  }else{
    db_begin_write();
    fossil_print("Rebuilding repository meta-data...\n");
    rebuild_db(0, 1, !incrFlag);
    verify_cancel();
    db_end_transaction(0);
  }
  if( !omitVacuum ){
    fossil_print("Vacuuming..."); fflush(stdout);

  if( !incrFlag ){
    if( forceFlag ) file_delete(g.argv[2]);
    db_create_repository(g.argv[2]);
  }
  db_open_repository(g.argv[2]);
  db_open_config(0, 0);

  db_begin_transaction();
  if( !incrFlag ){
    db_initial_setup(0, 0, 0);
    db_set("main-branch", gimport.zTrunkName, 0);
  }

  if( svnFlag ){
    db_multi_exec(
................................................................................

  verify_cancel();
  db_end_transaction(0);
  fossil_print("                               \r");
  if( omitRebuild ){
    omitVacuum = 1;
  }else{
    db_begin_transaction();
    fossil_print("Rebuilding repository meta-data...\n");
    rebuild_db(0, 1, !incrFlag);
    verify_cancel();
    db_end_transaction(0);
  }
  if( !omitVacuum ){
    fossil_print("Vacuuming..."); fflush(stdout);

  }
}

/*
** Show the context graph (immediate parents and children) for
** check-in rid.
*/
void render_checkin_context(int rid, int parentsOnly){
  Blob sql;
  Stmt q;





  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);

  db_multi_exec(
     "CREATE TEMP TABLE IF NOT EXISTS ok(rid INTEGER PRIMARY KEY);"
     "DELETE FROM ok;"



     "INSERT INTO ok VALUES(%d);"
     "INSERT OR IGNORE INTO ok SELECT pid FROM plink WHERE cid=%d;",
     rid, rid

  );

  if( !parentsOnly ){

    db_multi_exec(
      "INSERT OR IGNORE INTO ok SELECT cid FROM plink WHERE pid=%d;", rid
    );
    if( db_table_exists("repository","cherrypick") ){
      db_multi_exec(
        "INSERT OR IGNORE INTO ok "
        "  SELECT parentid FROM cherrypick WHERE childid=%d;"
        "INSERT OR IGNORE INTO ok "
        "  SELECT childid FROM cherrypick WHERE parentid=%d;",
        rid, rid

      );

    }
  }
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q,
          TIMELINE_GRAPH
         |TIMELINE_FILLGAPS
         |TIMELINE_NOSCROLL
         |TIMELINE_XMERGE
         |TIMELINE_CHPICK,
       0, 0, 0, rid, 0);
  db_finalize(&q);
}

/*
** Show a graph all wiki, tickets, and check-ins that refer to object zUuid.
**
** If zLabel is not NULL and the graph is not empty, then output zLabel as
................................................................................
  if( !db_exists("SELECT 1 FROM ok") ) return;
  if( zLabel ) cgi_printf("%s", zLabel);
  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q, TIMELINE_DISJOINT|TIMELINE_GRAPH|TIMELINE_NOSCROLL,
                     0, 0, 0, 0, 0);
  db_finalize(&q);
}

/*
** WEBPAGE: test-backlinks
**
** Show a timeline of all check-ins and other events that have entries
................................................................................
     "  WHERE blob.uuid BETWEEN backlink.target AND (backlink.target||'x')"
  );
  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q, TIMELINE_DISJOINT|TIMELINE_GRAPH|TIMELINE_NOSCROLL,
                     0, 0, 0, 0, 0);
  db_finalize(&q);
  style_footer();
}


/*
** Append the difference between artifacts to the output
................................................................................
     "  WHERE tagxref.rid=%d;"
     "INSERT OR IGNORE INTO ok "
     " SELECT tagxref.origid"
     "   FROM tagxref JOIN tag ON tagxref.tagid=tag.tagid"
     "  WHERE tagxref.rid=%d;",
     rid, rid, rid
  );

  db_multi_exec(
    "SELECT tag.tagid, tagname, "
    "       (SELECT uuid FROM blob WHERE rid=tagxref.srcid AND rid!=%d),"
    "       value, datetime(tagxref.mtime,toLocal()), tagtype,"
    "       (SELECT uuid FROM blob WHERE rid=tagxref.origid AND rid!=%d)"
    "  FROM tagxref JOIN tag ON tagxref.tagid=tag.tagid"
    " WHERE tagxref.rid=%d"
    " ORDER BY tagname /*sort*/", rid, rid, rid
  );

  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q, TIMELINE_DISJOINT|TIMELINE_GRAPH|TIMELINE_NOSCROLL,
                     0, 0, 0, rid, 0);
  db_finalize(&q);
  style_footer();
}

/*
** WEBPAGE: vinfo
** WEBPAGE: ci
................................................................................
  const char *zUuid;   /* UUID of zName */
  const char *zParent; /* UUID of the parent check-in (if any) */
  const char *zRe;     /* regex parameter */
  ReCompiled *pRe = 0; /* regex */
  const char *zW;      /* URL param for ignoring whitespace */
  const char *zPage = "vinfo";  /* Page that shows diffs */
  const char *zPageHide = "ci"; /* Page that hides diffs */


  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }
  zName = P("name");
  rid = name_to_rid_www("name");
  if( rid==0 ){
    style_header("Check-in Information Error");
................................................................................
     "SELECT uuid, datetime(mtime,toLocal()), user, comment,"
     "       datetime(omtime,toLocal()), mtime"
     "  FROM blob, event"
     " WHERE blob.rid=%d"
     "   AND event.objid=%d",
     rid, rid
  );

  
  cookie_link_parameter("diff","diff","2");
  diffType = atoi(PD("diff","2"));
  if( db_step(&q1)==SQLITE_ROW ){
    const char *zUuid = db_column_text(&q1, 0);
    int nUuid = db_column_bytes(&q1, 0);
    char *zEUser, *zEComment;
    const char *zUser;
    const char *zOrigUser;
    const char *zComment;
    const char *zDate;
    const char *zOrigDate;
    const char *zBrName;
    int okWiki = 0;
    Blob wiki_read_links = BLOB_INITIALIZER;
    Blob wiki_add_links = BLOB_INITIALIZER;

    style_header("Check-in [%S]", zUuid);
    login_anonymous_available();
    zEUser = db_text(0,
                   "SELECT value FROM tagxref"
                   " WHERE tagid=%d AND rid=%d AND tagtype>0",
                    TAG_USER, rid);
    zEComment = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                   TAG_COMMENT, rid);
    zBrName = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                   TAG_BRANCH, rid);
    zOrigUser = db_column_text(&q1, 2);
    zUser = zEUser ? zEUser : zOrigUser;
    zComment = db_column_text(&q1, 3);
    zDate = db_column_text(&q1,1);
    zOrigDate = db_column_text(&q1, 4);
    if( zOrigDate==0 ) zOrigDate = zDate;
    @ <div class="section">Overview</div>
................................................................................
      }
      @ %s(zLinks)</td></tr>
    }

    if( g.perm.Hyperlink ){
      @ <tr><th>Other&nbsp;Links:</th>
      @   <td>



      @   %z(href("%R/artifact/%!S",zUuid))manifest</a>
      @ | %z(href("%R/ci_tags/%!S",zUuid))tags</a>
      if( g.perm.Admin ){
        @   | %z(href("%R/mlink?ci=%!S",zUuid))mlink table</a>
      }
      if( g.anon.Write ){
        @   | %z(href("%R/ci_edit?r=%!S",zUuid))edit</a>
      }
................................................................................
  }
  db_finalize(&q1);
  if( !PB("nowiki") ){
    wiki_render_associated("checkin", zUuid, 0);
  }
  render_backlink_graph(zUuid, "<div class=\"section\">References</div>\n");
  @ <div class="section">Context</div>
  render_checkin_context(rid, 0);
  @ <div class="section">Changes</div>
  @ <div class="sectionmenu">
  diffFlags = construct_diff_flags(diffType);
  zW = (diffFlags&DIFF_IGNORE_ALLWS)?"&w":"";
  if( diffType!=0 ){
    @ %z(chref("button","%R/%s/%T?diff=0",zPageHide,zName))\
    @ Hide&nbsp;Diffs</a>
................................................................................
  if( !is_a_version(rid) ){
    webpage_error("Artifact %s is not a check-in.", P(zParam));
    return 0;
  }
  return manifest_get(rid, CFTYPE_MANIFEST, 0);
}


/*
** Output a description of a check-in
*/
static void checkin_description(int rid){
  Stmt q;
  db_prepare(&q,
    "SELECT datetime(mtime), coalesce(euser,user),"
................................................................................
    }
    @ date:
    hyperlink_to_date(zDate, ")");
    tag_private_status(rid);
  }
  db_finalize(&q);
}



/*
** WEBPAGE: vdiff
** URL: /vdiff?from=TAG&to=TAG
**
** Show the difference between two check-ins identified by the from= and
................................................................................
  ManifestFile *pFileFrom, *pFileTo;
  const char *zBranch;
  const char *zFrom;
  const char *zTo;
  const char *zRe;
  const char *zW;
  const char *zGlob;


  ReCompiled *pRe = 0;
  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }
  login_anonymous_available();
  load_control();
  cookie_link_parameter("diff","diff","2");
  diffType = atoi(PD("diff","2"));
  cookie_render();
  zRe = P("regex");
  if( zRe ) re_compile(&pRe, zRe, 0);
  zBranch = P("branch");
  if( zBranch && zBranch[0] ){



    cgi_replace_parameter("from", mprintf("root:%s", zBranch));
    cgi_replace_parameter("to", zBranch);


  }
  pTo = vdiff_parse_manifest("to", &ridTo);
  if( pTo==0 ) return;
  pFrom = vdiff_parse_manifest("from", &ridFrom);
  if( pFrom==0 ) return;
  zGlob = P("glob");
  zFrom = P("from");
  zTo = P("to");
  if(zGlob && !*zGlob){
    zGlob = NULL;
  }
  diffFlags = construct_diff_flags(diffType);
  zW = (diffFlags&DIFF_IGNORE_ALLWS)?"&w":"";

  style_submenu_element("Path", "%R/timeline?me=%T&you=%T", zFrom, zTo);

  if( diffType!=0 ){
    style_submenu_element("Hide Diff", "%R/vdiff?from=%T&to=%T&diff=0%s%T%s",
                          zFrom, zTo,

                          zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);
  }
  if( diffType!=2 ){
    style_submenu_element("Side-by-Side Diff",
                          "%R/vdiff?from=%T&to=%T&diff=2%s%T%s",
                          zFrom, zTo,
                          zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);
  }
  if( diffType!=1 ) {
    style_submenu_element("Unified Diff",
                          "%R/vdiff?from=%T&to=%T&diff=1%s%T%s",
                          zFrom, zTo,
                          zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);
  }

  style_submenu_element("Invert",
                        "%R/vdiff?from=%T&to=%T&%s%T%s", zTo, zFrom,
                        zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);

  if( zGlob ){
    style_submenu_element("Clear glob",
                          "%R/vdiff?from=%T&to=%T&%s", zFrom, zTo, zW);

  }else{
    style_submenu_element("Patch", "%R/vpatch?from=%T&to=%T%s", zFrom, zTo, zW);
  }
  if( diffType!=0 ){
    style_submenu_checkbox("w", "Ignore Whitespace", 0, 0);
  }



  style_header("Check-in Differences");

  if( P("nohdr")==0 ){
















    @ <h2>Difference From:</h2><blockquote>
    checkin_description(ridFrom);
    @ </blockquote><h2>To:</h2><blockquote>
    checkin_description(ridTo);
    @ </blockquote>





    if( pRe ){
      @ <p><b>Only differences that match regular expression "%h(zRe)"
      @ are shown.</b></p>
    }
    if( zGlob ){
      @ <p><b>Only files matching the glob "%h(zGlob)" are shown.</b></p>
    }
    @<hr /><p>
  }


  manifest_file_rewind(pFrom);
  pFileFrom = manifest_file_next(pFrom, 0);
  manifest_file_rewind(pTo);
  pFileTo = manifest_file_next(pTo, 0);
  while( pFileFrom || pFileTo ){
    int cmp;
................................................................................
      if( zLn==0 || atoi(zLn)==0 ){
        style_submenu_checkbox("ln", "Line Numbers", 0, 0);
      }
      blob_to_utf8_no_bom(&content, 0);
      zMime = mimetype_from_content(&content);
      @ <blockquote>
      if( zMime==0 ){
        const char *z;
        z = blob_str(&content);






        if( zLn ){
          output_text_with_line_numbers(z, zLn);




        }else{
          @ <pre>
          @ %h(z)
          @ </pre>
        }
      }else if( strncmp(zMime, "image/", 6)==0 ){
        @ <p>(file is %d(blob_size(&content)) bytes of image data)</i></p>
................................................................................
    md5sum_blob(ctrl, &cksum);
    blob_appendf(ctrl, "Z %b\n", &cksum);
    if( fDryRun ){
      assert( g.isHTTP==0 ); /* Only print control artifact in console mode. */
      fossil_print("%s", blob_str(ctrl));
      blob_reset(ctrl);
    }else{
      db_begin_write();
      g.markPrivate = content_is_private(rid);
      nrid = content_put(ctrl);
      manifest_crosslink(nrid, ctrl, MC_PERMIT_HOOKS);
      db_end_transaction(0);
    }
    assert( blob_is_reset(ctrl) );
  }

  }
}

/*
** Show the context graph (immediate parents and children) for
** check-in rid.
*/
void render_checkin_context(int rid, int rid2, int parentsOnly){
  Blob sql;
  Stmt q;
  int rx[2];
  int i, n;
  rx[0] = rid;
  rx[1] = rid2;
  n = rid2 ? 2 : 1;
  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);

  db_multi_exec(
    "CREATE TEMP TABLE IF NOT EXISTS ok(rid INTEGER PRIMARY KEY);"
    "DELETE FROM ok;"
  );
  for(i=0; i<n; i++){
    db_multi_exec(
      "INSERT OR IGNORE INTO ok VALUES(%d);"
      "INSERT OR IGNORE INTO ok SELECT pid FROM plink WHERE cid=%d;",

      rx[i], rx[i]
    );
  }
  if( !parentsOnly ){
    for(i=0; i<n; i++){
      db_multi_exec(
        "INSERT OR IGNORE INTO ok SELECT cid FROM plink WHERE pid=%d;", rx[i]
      );
      if( db_table_exists("repository","cherrypick") ){
        db_multi_exec(
          "INSERT OR IGNORE INTO ok "
          "  SELECT parentid FROM cherrypick WHERE childid=%d;"
          "INSERT OR IGNORE INTO ok "
          "  SELECT childid FROM cherrypick WHERE parentid=%d;",

          rx[i], rx[i]
        );
      }
    }
  }
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q,
          TIMELINE_GRAPH
         |TIMELINE_FILLGAPS
         |TIMELINE_NOSCROLL
         |TIMELINE_XMERGE
         |TIMELINE_CHPICK,
       0, 0, 0, rid, rid2, 0);
  db_finalize(&q);
}

/*
** Show a graph all wiki, tickets, and check-ins that refer to object zUuid.
**
** If zLabel is not NULL and the graph is not empty, then output zLabel as
................................................................................
  if( !db_exists("SELECT 1 FROM ok") ) return;
  if( zLabel ) cgi_printf("%s", zLabel);
  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q, TIMELINE_DISJOINT|TIMELINE_GRAPH|TIMELINE_NOSCROLL,
                     0, 0, 0, 0, 0, 0);
  db_finalize(&q);
}

/*
** WEBPAGE: test-backlinks
**
** Show a timeline of all check-ins and other events that have entries
................................................................................
     "  WHERE blob.uuid BETWEEN backlink.target AND (backlink.target||'x')"
  );
  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q, TIMELINE_DISJOINT|TIMELINE_GRAPH|TIMELINE_NOSCROLL,
                     0, 0, 0, 0, 0, 0);
  db_finalize(&q);
  style_footer();
}


/*
** Append the difference between artifacts to the output
................................................................................
     "  WHERE tagxref.rid=%d;"
     "INSERT OR IGNORE INTO ok "
     " SELECT tagxref.origid"
     "   FROM tagxref JOIN tag ON tagxref.tagid=tag.tagid"
     "  WHERE tagxref.rid=%d;",
     rid, rid, rid
  );
#if 0
  db_multi_exec(
    "SELECT tag.tagid, tagname, "
    "       (SELECT uuid FROM blob WHERE rid=tagxref.srcid AND rid!=%d),"
    "       value, datetime(tagxref.mtime,toLocal()), tagtype,"
    "       (SELECT uuid FROM blob WHERE rid=tagxref.origid AND rid!=%d)"
    "  FROM tagxref JOIN tag ON tagxref.tagid=tag.tagid"
    " WHERE tagxref.rid=%d"
    " ORDER BY tagname /*sort*/", rid, rid, rid
  );
#endif
  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_www(), -1);
  blob_append_sql(&sql, " AND event.objid IN ok ORDER BY mtime DESC");
  db_prepare(&q, "%s", blob_sql_text(&sql));
  www_print_timeline(&q, TIMELINE_DISJOINT|TIMELINE_GRAPH|TIMELINE_NOSCROLL,
                     0, 0, 0, rid, 0, 0);
  db_finalize(&q);
  style_footer();
}

/*
** WEBPAGE: vinfo
** WEBPAGE: ci
................................................................................
  const char *zUuid;   /* UUID of zName */
  const char *zParent; /* UUID of the parent check-in (if any) */
  const char *zRe;     /* regex parameter */
  ReCompiled *pRe = 0; /* regex */
  const char *zW;      /* URL param for ignoring whitespace */
  const char *zPage = "vinfo";  /* Page that shows diffs */
  const char *zPageHide = "ci"; /* Page that hides diffs */
  const char *zBrName; /* Branch name */

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }
  zName = P("name");
  rid = name_to_rid_www("name");
  if( rid==0 ){
    style_header("Check-in Information Error");
................................................................................
     "SELECT uuid, datetime(mtime,toLocal()), user, comment,"
     "       datetime(omtime,toLocal()), mtime"
     "  FROM blob, event"
     " WHERE blob.rid=%d"
     "   AND event.objid=%d",
     rid, rid
  );
  zBrName = branch_of_rid(rid);
  
  cookie_link_parameter("diff","diff","2");
  diffType = atoi(PD("diff","2"));
  if( db_step(&q1)==SQLITE_ROW ){
    const char *zUuid = db_column_text(&q1, 0);
    int nUuid = db_column_bytes(&q1, 0);
    char *zEUser, *zEComment;
    const char *zUser;
    const char *zOrigUser;
    const char *zComment;
    const char *zDate;
    const char *zOrigDate;

    int okWiki = 0;
    Blob wiki_read_links = BLOB_INITIALIZER;
    Blob wiki_add_links = BLOB_INITIALIZER;

    style_header("Check-in [%S]", zUuid);
    login_anonymous_available();
    zEUser = db_text(0,
                   "SELECT value FROM tagxref"
                   " WHERE tagid=%d AND rid=%d AND tagtype>0",
                    TAG_USER, rid);
    zEComment = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                   TAG_COMMENT, rid);



    zOrigUser = db_column_text(&q1, 2);
    zUser = zEUser ? zEUser : zOrigUser;
    zComment = db_column_text(&q1, 3);
    zDate = db_column_text(&q1,1);
    zOrigDate = db_column_text(&q1, 4);
    if( zOrigDate==0 ) zOrigDate = zDate;
    @ <div class="section">Overview</div>
................................................................................
      }
      @ %s(zLinks)</td></tr>
    }

    if( g.perm.Hyperlink ){
      @ <tr><th>Other&nbsp;Links:</th>
      @   <td>
      if( fossil_strcmp(zBrName, db_get("main-branch","trunk"))!=0 ){
        @ %z(href("%R/vdiff?branch=%!S", zUuid))branch diff</a> |
      }
      @ %z(href("%R/artifact/%!S",zUuid))manifest</a>
      @ | %z(href("%R/ci_tags/%!S",zUuid))tags</a>
      if( g.perm.Admin ){
        @   | %z(href("%R/mlink?ci=%!S",zUuid))mlink table</a>
      }
      if( g.anon.Write ){
        @   | %z(href("%R/ci_edit?r=%!S",zUuid))edit</a>
      }
................................................................................
  }
  db_finalize(&q1);
  if( !PB("nowiki") ){
    wiki_render_associated("checkin", zUuid, 0);
  }
  render_backlink_graph(zUuid, "<div class=\"section\">References</div>\n");
  @ <div class="section">Context</div>
  render_checkin_context(rid, 0, 0);
  @ <div class="section">Changes</div>
  @ <div class="sectionmenu">
  diffFlags = construct_diff_flags(diffType);
  zW = (diffFlags&DIFF_IGNORE_ALLWS)?"&w":"";
  if( diffType!=0 ){
    @ %z(chref("button","%R/%s/%T?diff=0",zPageHide,zName))\
    @ Hide&nbsp;Diffs</a>
................................................................................
  if( !is_a_version(rid) ){
    webpage_error("Artifact %s is not a check-in.", P(zParam));
    return 0;
  }
  return manifest_get(rid, CFTYPE_MANIFEST, 0);
}

#if 0 /* not used */
/*
** Output a description of a check-in
*/
static void checkin_description(int rid){
  Stmt q;
  db_prepare(&q,
    "SELECT datetime(mtime), coalesce(euser,user),"
................................................................................
    }
    @ date:
    hyperlink_to_date(zDate, ")");
    tag_private_status(rid);
  }
  db_finalize(&q);
}
#endif /* not used */


/*
** WEBPAGE: vdiff
** URL: /vdiff?from=TAG&to=TAG
**
** Show the difference between two check-ins identified by the from= and
................................................................................
  ManifestFile *pFileFrom, *pFileTo;
  const char *zBranch;
  const char *zFrom;
  const char *zTo;
  const char *zRe;
  const char *zW;
  const char *zGlob;
  char *zQuery;
  char *zMergeOrigin = 0;
  ReCompiled *pRe = 0;
  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }
  login_anonymous_available();
  load_control();
  cookie_link_parameter("diff","diff","2");
  diffType = atoi(PD("diff","2"));
  cookie_render();
  zRe = P("regex");
  if( zRe ) re_compile(&pRe, zRe, 0);
  zBranch = P("branch");
  if( zBranch && zBranch[0]==0 ) zBranch = 0;
  if( zBranch ){
    zQuery = mprintf("branch=%T", zBranch);
    zMergeOrigin = mprintf("merge-in:%s", zBranch);
    cgi_replace_parameter("from", zMergeOrigin);
    cgi_replace_parameter("to", zBranch);
  }else{
    zQuery = mprintf("from=%T&to=%T",PD("from",""),PD("to",""));
  }
  pTo = vdiff_parse_manifest("to", &ridTo);
  if( pTo==0 ) return;
  pFrom = vdiff_parse_manifest("from", &ridFrom);
  if( pFrom==0 ) return;
  zGlob = P("glob");
  zFrom = P("from");
  zTo = P("to");
  if(zGlob && !*zGlob){
    zGlob = NULL;
  }
  diffFlags = construct_diff_flags(diffType);
  zW = (diffFlags&DIFF_IGNORE_ALLWS)?"&w":"";
  if( zBranch==0 ){
    style_submenu_element("Path", "%R/timeline?me=%T&you=%T", zFrom, zTo);
  }
  if( diffType!=0 ){
    style_submenu_element("Hide Diff", "%R/vdiff?%s&diff=0%s%T%s",

                          zQuery,
                          zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);
  }
  if( diffType!=2 ){
    style_submenu_element("Side-by-Side Diff",
                          "%R/vdiff?%s&diff=2%s%T%s",
                          zQuery,
                          zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);
  }
  if( diffType!=1 ) {
    style_submenu_element("Unified Diff",
                          "%R/vdiff?%s&diff=1%s%T%s",
                          zQuery,
                          zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);
  }
  if( zBranch==0 ){
    style_submenu_element("Invert",
                          "%R/vdiff?from=%T&to=%T&%s%T%s", zTo, zFrom,
                          zGlob ? "&glob=" : "", zGlob ? zGlob : "", zW);
  }
  if( zGlob ){
    style_submenu_element("Clear glob",

                          "%R/vdiff?%s&%s", zQuery, zW);
  }else{
    style_submenu_element("Patch", "%R/vpatch?from=%T&to=%T%s", zFrom, zTo, zW);
  }
  if( diffType!=0 ){
    style_submenu_checkbox("w", "Ignore Whitespace", 0, 0);
  }
  if( zBranch ){
    style_header("Changes On Branch %h", zBranch);
  }else{
    style_header("Check-in Differences");
  }
  if( P("nohdr")==0 ){
    if( zBranch ){
      char *zRealBranch = branch_of_rid(ridTo);
      char *zToUuid = rid_to_uuid(ridTo);
      char *zFromUuid = rid_to_uuid(ridFrom);
      @ <h2>Changes In Branch \
      @ %z(href("%R/timeline?r=%T",zRealBranch))%h(zRealBranch)</a>
      if( ridTo != symbolic_name_to_rid(zRealBranch,"ci") ){
        @ Through %z(href("%R/info/%!S",zToUuid))[%S(zToUuid)]</a>
      }
      @ Excluding Merge-Ins</h2>
      @ <p>This is equivalent to a diff from
      @ <span class='timelineSelected'>\
      @ %z(href("%R/info/%!S",zFromUuid))%S(zFromUuid)</a></span>
      @ to <span class='timelineSelected timelineSecondary'>\
      @ %z(href("%R/info/%!S",zToUuid))%S(zToUuid)</a></span></p>
    }else{
      @ <h2>Difference From <span class='timelineSelected'>\




      @ %z(href("%R/info/%h",zFrom))%h(zFrom)</a></span>
      @ To <span class='timelineSelected timelineSecondary'>\
      @ %z(href("%R/info/%h",zTo))%h(zTo)</a></span></h2>
    }
    render_checkin_context(ridFrom, ridTo, 0);
    if( pRe ){
      @ <p><b>Only differences that match regular expression "%h(zRe)"
      @ are shown.</b></p>
    }
    if( zGlob ){
      @ <p><b>Only files matching the glob "%h(zGlob)" are shown.</b></p>
    }
    @<hr /><p>
  }
  fossil_free(zQuery);

  manifest_file_rewind(pFrom);
  pFileFrom = manifest_file_next(pFrom, 0);
  manifest_file_rewind(pTo);
  pFileTo = manifest_file_next(pTo, 0);
  while( pFileFrom || pFileTo ){
    int cmp;
................................................................................
      if( zLn==0 || atoi(zLn)==0 ){
        style_submenu_checkbox("ln", "Line Numbers", 0, 0);
      }
      blob_to_utf8_no_bom(&content, 0);
      zMime = mimetype_from_content(&content);
      @ <blockquote>
      if( zMime==0 ){
        const char *z, *zFileName, *zExt;
        z = blob_str(&content);
        zFileName = db_text(0,
         "SELECT name FROM mlink, filename"
         " WHERE filename.fnid=mlink.fnid"
         "   AND mlink.fid=%d",
         rid);
        zExt = zFileName ? strrchr(zFileName, '.') : 0;
        if( zLn ){
          output_text_with_line_numbers(z, zLn);
        }else if( zExt && zExt[1] ){
          @ <pre>
          @ <code class="language-%s(zExt+1)">%h(z)</code>
          @ </pre>
        }else{
          @ <pre>
          @ %h(z)
          @ </pre>
        }
      }else if( strncmp(zMime, "image/", 6)==0 ){
        @ <p>(file is %d(blob_size(&content)) bytes of image data)</i></p>
................................................................................
    md5sum_blob(ctrl, &cksum);
    blob_appendf(ctrl, "Z %b\n", &cksum);
    if( fDryRun ){
      assert( g.isHTTP==0 ); /* Only print control artifact in console mode. */
      fossil_print("%s", blob_str(ctrl));
      blob_reset(ctrl);
    }else{
      db_begin_transaction();
      g.markPrivate = content_is_private(rid);
      nrid = content_put(ctrl);
      manifest_crosslink(nrid, ctrl, MC_PERMIT_HOOKS);
      db_end_transaction(0);
    }
    assert( blob_is_reset(ctrl) );
  }

     On large repos (e.g. fossil's) this operation is likely to take
     longer than the client timeout, which will cause it to fail (but
     it's sqlite3, so it'll fail gracefully).
  */
    db_close(1);
    db_open_repository(g.zRepositoryName);
    db_begin_write();
    rebuild_db(0, 0, 0);
    db_end_transaction(0);
    return NULL;
  }
}

/*

     On large repos (e.g. fossil's) this operation is likely to take
     longer than the client timeout, which will cause it to fail (but
     it's sqlite3, so it'll fail gracefully).
  */
    db_close(1);
    db_open_repository(g.zRepositoryName);
    db_begin_transaction();
    rebuild_db(0, 0, 0);
    db_end_transaction(0);
    return NULL;
  }
}

/*

        " WHERE tagtype>0"
        "   AND tagid=(SELECT tagid FROM tag WHERE tagname='sym-%q')",
        zBranch)!=0 ){
    zOpt->rcErrMsg = "Branch already exists.";
    return FSL_JSON_E_RESOURCE_ALREADY_EXISTS;
  }

  db_begin_write();
  rootid = name_to_typed_rid(zBasis, "ci");
  if( rootid==0 ){
    zOpt->rcErrMsg = "Basis branch not found.";
    return FSL_JSON_E_RESOURCE_NOT_FOUND;
  }

  pParent = manifest_get(rootid, CFTYPE_MANIFEST, 0);

        " WHERE tagtype>0"
        "   AND tagid=(SELECT tagid FROM tag WHERE tagname='sym-%q')",
        zBranch)!=0 ){
    zOpt->rcErrMsg = "Branch already exists.";
    return FSL_JSON_E_RESOURCE_ALREADY_EXISTS;
  }

  db_begin_transaction();
  rootid = name_to_typed_rid(zBasis, "ci");
  if( rootid==0 ){
    zOpt->rcErrMsg = "Basis branch not found.";
    return FSL_JSON_E_RESOURCE_NOT_FOUND;
  }

  pParent = manifest_get(rootid, CFTYPE_MANIFEST, 0);

  zValue = json_find_option_cstr("value",NULL,NULL);
  if(!zValue && !fossil_has_json()){
    zValue = json_command_arg(5);
  }

  db_begin_write();
  tag_add_artifact(zPrefix, zName, zCheckin, zValue,
                   1+fPropagate,NULL/*DateOvrd*/,NULL/*UserOvrd*/);
  db_end_transaction(0);

  payV = cson_value_new_object();
  pay = cson_value_get_object(payV);
  cson_object_set(pay, "name", json_new_string(zName) );
................................................................................
                   "'checkin' parameter is missing.");
      return NULL;
    }
  }
  /* FIXME?: verify that the tag is currently active. We have no real
     error case unless we do that.
  */
  db_begin_write();
  tag_add_artifact(zPrefix, zName, zCheckin, NULL, 0, 0, 0);
  db_end_transaction(0);
  return NULL;
}


/*

  zValue = json_find_option_cstr("value",NULL,NULL);
  if(!zValue && !fossil_has_json()){
    zValue = json_command_arg(5);
  }

  db_begin_transaction();
  tag_add_artifact(zPrefix, zName, zCheckin, zValue,
                   1+fPropagate,NULL/*DateOvrd*/,NULL/*UserOvrd*/);
  db_end_transaction(0);

  payV = cson_value_new_object();
  pay = cson_value_get_object(payV);
  cson_object_set(pay, "name", json_new_string(zName) );
................................................................................
                   "'checkin' parameter is missing.");
      return NULL;
    }
  }
  /* FIXME?: verify that the tag is currently active. We have no real
     error case unless we do that.
  */
  db_begin_transaction();
  tag_add_artifact(zPrefix, zName, zCheckin, NULL, 0, 0, 0);
  db_end_transaction(0);
  return NULL;
}


/*

                             p->RdWiki = p->WrWiki = p->NewWiki =
                             p->ApndWiki = p->Hyperlink = p->Clone =
                             p->NewTkt = p->Password = p->RdAddr =
                             p->TktFmt = p->Attach = p->ApndTkt =
                             p->ModWiki = p->ModTkt = p->Delete =
                             p->RdForum = p->WrForum = p->ModForum =
                             p->WrTForum = p->AdminForum =
                             p->EmailAlert = p->Announce = p->Debug =
                             p->Private = 1;
                             /* Fall thru into Read/Write */
      case 'i':   p->Read = p->Write = 1;                      break;
      case 'o':   p->Read = 1;                                 break;
      case 'z':   p->Zip = 1;                                  break;

      case 'd':   p->Delete = 1;                               break;
      case 'h':   p->Hyperlink = 1;                            break;
................................................................................
  }

  /* Create all the necessary CONFIG table entries on both the
  ** other repository and on our own repository.
  */
  zSelfProjCode = abbreviated_project_code(zSelfProjCode);
  zOtherProjCode = abbreviated_project_code(zOtherProjCode);
  db_begin_write();
  db_multi_exec(
    "DELETE FROM \"%w\".config WHERE name GLOB 'peer-*';"
    "INSERT INTO \"%w\".config(name,value) VALUES('peer-repo-%q',%Q);"
    "INSERT INTO \"%w\".config(name,value) "
    "  SELECT 'peer-name-%q', value FROM other.config"
    "   WHERE name='project-name';",
    zSelf,

                             p->RdWiki = p->WrWiki = p->NewWiki =
                             p->ApndWiki = p->Hyperlink = p->Clone =
                             p->NewTkt = p->Password = p->RdAddr =
                             p->TktFmt = p->Attach = p->ApndTkt =
                             p->ModWiki = p->ModTkt = p->Delete =
                             p->RdForum = p->WrForum = p->ModForum =
                             p->WrTForum = p->AdminForum =
                             p->EmailAlert = p->Announce = p->Debug = 1;

                             /* Fall thru into Read/Write */
      case 'i':   p->Read = p->Write = 1;                      break;
      case 'o':   p->Read = 1;                                 break;
      case 'z':   p->Zip = 1;                                  break;

      case 'd':   p->Delete = 1;                               break;
      case 'h':   p->Hyperlink = 1;                            break;
................................................................................
  }

  /* Create all the necessary CONFIG table entries on both the
  ** other repository and on our own repository.
  */
  zSelfProjCode = abbreviated_project_code(zSelfProjCode);
  zOtherProjCode = abbreviated_project_code(zOtherProjCode);
  db_begin_transaction();
  db_multi_exec(
    "DELETE FROM \"%w\".config WHERE name GLOB 'peer-*';"
    "INSERT INTO \"%w\".config(name,value) VALUES('peer-repo-%q',%Q);"
    "INSERT INTO \"%w\".config(name,value) "
    "  SELECT 'peer-name-%q', value FROM other.config"
    "   WHERE name='project-name';",
    zSelf,

  char Zip;              /* z: download zipped artifact via /zip URL */
  char Private;          /* x: can send and receive private content */
  char WrUnver;          /* y: can push unversioned content */
  char RdForum;          /* 2: Read forum posts */
  char WrForum;          /* 3: Create new forum posts */
  char WrTForum;         /* 4: Post to forums not subject to moderation */
  char ModForum;         /* 5: Moderate (approve or reject) forum posts */
  char AdminForum;       /* 6: Set or remove capability 4 on other users */
  char EmailAlert;       /* 7: Sign up for email notifications */
  char Announce;         /* A: Send announcements */
  char Debug;            /* D: show extra Fossil debugging features */
  /* These last two are included to block infinite recursion */
  char XReader;          /* u: Inherit all privileges of "reader" */
  char XDeveloper;       /* v: Inherit all privileges of "developer" */
};
................................................................................
      g.zRepositoryName = mprintf("%s", zRepo);
      file_simplify_name(g.zRepositoryName, -1, 0);
    }else{
      if( isDir==0 && fCreate ){
        const char *zPassword;
        db_create_repository(zRepo);
        db_open_repository(zRepo);
        db_begin_write();
        g.eHashPolicy = HPOLICY_SHA3;
        db_set_int("hash-policy", HPOLICY_SHA3, 0);
        db_initial_setup(0, "now", g.zLogin);
        db_end_transaction(0);
        fossil_print("project-id: %s\n", db_get("project-code", 0));
        fossil_print("server-id:  %s\n", db_get("server-code", 0));
        zPassword = db_text(0, "SELECT pw FROM user WHERE login=%Q", g.zLogin);

  char Zip;              /* z: download zipped artifact via /zip URL */
  char Private;          /* x: can send and receive private content */
  char WrUnver;          /* y: can push unversioned content */
  char RdForum;          /* 2: Read forum posts */
  char WrForum;          /* 3: Create new forum posts */
  char WrTForum;         /* 4: Post to forums not subject to moderation */
  char ModForum;         /* 5: Moderate (approve or reject) forum posts */
  char AdminForum;       /* 6: Grant capability 4 to other users */
  char EmailAlert;       /* 7: Sign up for email notifications */
  char Announce;         /* A: Send announcements */
  char Debug;            /* D: show extra Fossil debugging features */
  /* These last two are included to block infinite recursion */
  char XReader;          /* u: Inherit all privileges of "reader" */
  char XDeveloper;       /* v: Inherit all privileges of "developer" */
};
................................................................................
      g.zRepositoryName = mprintf("%s", zRepo);
      file_simplify_name(g.zRepositoryName, -1, 0);
    }else{
      if( isDir==0 && fCreate ){
        const char *zPassword;
        db_create_repository(zRepo);
        db_open_repository(zRepo);
        db_begin_transaction();
        g.eHashPolicy = HPOLICY_SHA3;
        db_set_int("hash-policy", HPOLICY_SHA3, 0);
        db_initial_setup(0, "now", g.zLogin);
        db_end_transaction(0);
        fossil_print("project-id: %s\n", db_get("project-code", 0));
        fossil_print("server-id:  %s\n", db_get("server-code", 0));
        zPassword = db_text(0, "SELECT pw FROM user WHERE login=%Q", g.zLogin);

** liability, whether in contract, strict liability, or tort (including
** negligence or otherwise) arising in any way out of the use of this
** software, even if advised of the possibility of such damage.
**
** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
** appropriate header files.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <memory.h>
#include <sys/stat.h>
#include <assert.h>
................................................................................
    }else if( type & PS_Private ){
      StringAppend(&str, "private:\n", 0);
      pDecl->extraType = PS_Private;
    }
  }
  StringAppend(&str, "  ", 0);
  zDecl = TokensToString(pFirst, pLast, ";\n", pClass, 2);










  StringAppend(&str, zDecl, 0);
  SafeFree(zDecl);
  pDecl->zExtra = StrDup(StringGet(&str), 0);
  StringReset(&str);
  return 0;
}

................................................................................
  }
  pName = FindDeclName(pFirst,pLast);
  if( pName==0 ){
    fprintf(stderr,"%s:%d: Malformed function or procedure definition.\n",
      zFilename, pFirst->nLine);
    return 1;
  }




  /*
  ** At this point we've isolated a procedure declaration between pFirst
  ** and pLast with the name pName.
  */
#ifdef DEBUG
  if( debugMask & PARSER ){
    printf("**** Found routine: %.*s on line %d...\n", pName->nText,
................................................................................
        zNew[j] = malloc( n + 1 );
        if( zNew[j] ){
          strcpy( zNew[j], zBuf );
        }
      }
    }
  }

  newArgc = argc + nNew - 1;
  for(i=0; i<=index; i++){
    zNew[i] = argv[i];
  }
  for(i=nNew + index + 1; i<newArgc; i++){
    zNew[i] = argv[i + 1 - nNew];
  }

** liability, whether in contract, strict liability, or tort (including
** negligence or otherwise) arising in any way out of the use of this
** software, even if advised of the possibility of such damage.
**
** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.

*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <memory.h>
#include <sys/stat.h>
#include <assert.h>
................................................................................
    }else if( type & PS_Private ){
      StringAppend(&str, "private:\n", 0);
      pDecl->extraType = PS_Private;
    }
  }
  StringAppend(&str, "  ", 0);
  zDecl = TokensToString(pFirst, pLast, ";\n", pClass, 2);
  if(strncmp(zDecl, pClass->zText, pClass->nText)==0){
    /* If member initializer list is found after a constructor,
    ** skip that part. */
    char * colon = strchr(zDecl, ':');
    if(colon!=0 && colon[1]!=0){
      *colon++ = ';';
      *colon++ = '\n';
      *colon = 0;
    }
  }
  StringAppend(&str, zDecl, 0);
  SafeFree(zDecl);
  pDecl->zExtra = StrDup(StringGet(&str), 0);
  StringReset(&str);
  return 0;
}

................................................................................
  }
  pName = FindDeclName(pFirst,pLast);
  if( pName==0 ){
    fprintf(stderr,"%s:%d: Malformed function or procedure definition.\n",
      zFilename, pFirst->nLine);
    return 1;
  }
  if( strncmp(pName->zText,"main",pName->nText)==0 ){
    /* skip main() decl. */
    return 0;
  }
  /*
  ** At this point we've isolated a procedure declaration between pFirst
  ** and pLast with the name pName.
  */
#ifdef DEBUG
  if( debugMask & PARSER ){
    printf("**** Found routine: %.*s on line %d...\n", pName->nText,
................................................................................
        zNew[j] = malloc( n + 1 );
        if( zNew[j] ){
          strcpy( zNew[j], zBuf );
        }
      }
    }
  }
  fclose(in);
  newArgc = argc + nNew - 1;
  for(i=0; i<=index; i++){
    zNew[i] = argv[i];
  }
  for(i=nNew + index + 1; i<newArgc; i++){
    zNew[i] = argv[i + 1 - nNew];
  }

};

/*
** Return a pointer to the next token.  The token is zero-terminated.
** Return NULL if there are no more tokens on the current line.
*/
static char *next_token(ManifestText *p, int *pLen){
  char *z;
  char *zStart;
  int c;
  if( p->atEol ) return 0;
  zStart = z = p->z;

  while( (c=(*z))!=' ' && c!='\n' ){ z++; }
  *z = 0;
  p->z = &z[1];
  p->atEol = c=='\n';
  if( pLen ) *pLen = z - zStart;
  return zStart;
}

/*
** Return the card-type for the next card.  Or, return 0 if there are no
** more cards or if we are not at the end of the current card.
*/
................................................................................
        int nTarget = 0, nSrc = 0;
        zName = next_token(&x, 0);
        zTarget = next_token(&x, &nTarget);
        zSrc = next_token(&x, &nSrc);
        if( zName==0 || zTarget==0 ) goto manifest_syntax_error;
        if( p->zAttachName!=0 ) goto manifest_syntax_error;
        defossilize(zName);
        if( !file_is_simple_pathname(zName, 0) ){
          SYNTAX("invalid filename on A-card");
        }
        defossilize(zTarget);
        if( !hname_validate(zTarget,nTarget)
           && !wiki_name_is_wellformed((const unsigned char *)zTarget) ){
          SYNTAX("invalid target on A-card");
        }
................................................................................
      ** other control file.  The filename and old-name are fossil-encoded.
      */
      case 'F': {
        char *zName, *zPerm, *zPriorName;
        zName = next_token(&x,0);
        if( zName==0 ) SYNTAX("missing filename on F-card");
        defossilize(zName);
        if( !file_is_simple_pathname(zName, 0) ){
          SYNTAX("F-card filename is not a simple path");
        }
        zUuid = next_token(&x, &sz);
        if( p->zBaseline==0 || zUuid!=0 ){
          if( !hname_validate(zUuid,sz) ){
            SYNTAX("F-card hash invalid");
          }
        }
        zPerm = next_token(&x,0);
        zPriorName = next_token(&x,0);
        if( zPriorName ){
          defossilize(zPriorName);
          if( !file_is_simple_pathname(zPriorName, 0) ){
            SYNTAX("F-card old filename is not a simple path");
          }
        }
        if( p->nFile>=p->nFileAlloc ){
          p->nFileAlloc = p->nFileAlloc*2 + 10;
          p->aFile = fossil_realloc(p->aFile,
                                    p->nFileAlloc*sizeof(p->aFile[0]) );
................................................................................
    manifest_destroy(p);
  }
}

/*
** COMMAND: test-parse-all-blobs
**
** Usage: %fossil test-parse-all-blobs
**
** Parse all entries in the BLOB table that are believed to be non-data
** artifacts and report any errors.  Run this test command on historical
** repositories after making any changes to the manifest_parse()
** implementation to confirm that the changes did not break anything.


*/
void manifest_test_parse_all_blobs_cmd(void){
  Manifest *p;
  Blob err;
  Stmt q;
  int nTest = 0;
  int nErr = 0;


  db_find_and_open_repository(0, 0);


  verify_all_options();
  db_prepare(&q, "SELECT DISTINCT objid FROM EVENT");
  while( db_step(&q)==SQLITE_ROW ){
    int id = db_column_int(&q,0);
    fossil_print("Checking %d       \r", id);
    nTest++;
    fflush(stdout);
    blob_init(&err, 0, 0);
    p = manifest_get(id, CFTYPE_ANY, &err);
    if( p==0 ){
................................................................................
** processing that must be deferred until all artifacts have been
** seen at least once.  The deferred processing is accomplished
** by the call to manifest_crosslink_end().
*/
void manifest_crosslink_begin(void){
  assert( manifest_crosslink_busy==0 );
  manifest_crosslink_busy = 1;
  db_begin_write();
  db_multi_exec(
     "CREATE TEMP TABLE pending_tkt(uuid TEXT UNIQUE);"
     "CREATE TEMP TABLE time_fudge("
     "  mid INTEGER PRIMARY KEY,"    /* The rid of a manifest */
     "  m1 REAL,"                    /* The timestamp on mid */
     "  cid INTEGER,"                /* A child or mid */
     "  m2 REAL"                     /* Timestamp on the child */
................................................................................
    assert( blob_is_reset(pContent) );
    if( (flags & MC_NO_ERRORS)==0 ){
      fossil_error(1, "cannot fetch baseline for manifest [%S]",
                   db_text(0, "SELECT uuid FROM blob WHERE rid=%d",rid));
    }
    return 0;
  }
  db_begin_write();
  if( p->type==CFTYPE_MANIFEST ){
    if( permitHooks ){
      zScript = xfer_commit_code();
      zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
    }
    if( p->nCherrypick && db_table_exists("repository","cherrypick") ){
      int i;

};

/*
** Return a pointer to the next token.  The token is zero-terminated.
** Return NULL if there are no more tokens on the current line.
*/
static char *next_token(ManifestText *p, int *pLen){

  char *zStart;
  int n;
  if( p->atEol ) return 0;
  zStart = p->z;
  n = strcspn(p->z, " \n");
  p->atEol = p->z[n]=='\n';
  p->z[n] = 0;
  p->z += n+1;

  if( pLen ) *pLen = n;
  return zStart;
}

/*
** Return the card-type for the next card.  Or, return 0 if there are no
** more cards or if we are not at the end of the current card.
*/
................................................................................
        int nTarget = 0, nSrc = 0;
        zName = next_token(&x, 0);
        zTarget = next_token(&x, &nTarget);
        zSrc = next_token(&x, &nSrc);
        if( zName==0 || zTarget==0 ) goto manifest_syntax_error;
        if( p->zAttachName!=0 ) goto manifest_syntax_error;
        defossilize(zName);
        if( !file_is_simple_pathname_nonstrict(zName) ){
          SYNTAX("invalid filename on A-card");
        }
        defossilize(zTarget);
        if( !hname_validate(zTarget,nTarget)
           && !wiki_name_is_wellformed((const unsigned char *)zTarget) ){
          SYNTAX("invalid target on A-card");
        }
................................................................................
      ** other control file.  The filename and old-name are fossil-encoded.
      */
      case 'F': {
        char *zName, *zPerm, *zPriorName;
        zName = next_token(&x,0);
        if( zName==0 ) SYNTAX("missing filename on F-card");
        defossilize(zName);
        if( !file_is_simple_pathname_nonstrict(zName) ){
          SYNTAX("F-card filename is not a simple path");
        }
        zUuid = next_token(&x, &sz);
        if( p->zBaseline==0 || zUuid!=0 ){
          if( !hname_validate(zUuid,sz) ){
            SYNTAX("F-card hash invalid");
          }
        }
        zPerm = next_token(&x,0);
        zPriorName = next_token(&x,0);
        if( zPriorName ){
          defossilize(zPriorName);
          if( !file_is_simple_pathname_nonstrict(zPriorName) ){
            SYNTAX("F-card old filename is not a simple path");
          }
        }
        if( p->nFile>=p->nFileAlloc ){
          p->nFileAlloc = p->nFileAlloc*2 + 10;
          p->aFile = fossil_realloc(p->aFile,
                                    p->nFileAlloc*sizeof(p->aFile[0]) );
................................................................................
    manifest_destroy(p);
  }
}

/*
** COMMAND: test-parse-all-blobs
**
** Usage: %fossil test-parse-all-blobs [--limit N]
**
** Parse all entries in the BLOB table that are believed to be non-data
** artifacts and report any errors.  Run this test command on historical
** repositories after making any changes to the manifest_parse()
** implementation to confirm that the changes did not break anything.
**
** If the --limit N argument is given, parse no more than N blobs
*/
void manifest_test_parse_all_blobs_cmd(void){
  Manifest *p;
  Blob err;
  Stmt q;
  int nTest = 0;
  int nErr = 0;
  int N = 1000000000;
  const char *z;
  db_find_and_open_repository(0, 0);
  z = find_option("limit", 0, 1);
  if( z ) N = atoi(z);
  verify_all_options();
  db_prepare(&q, "SELECT DISTINCT objid FROM EVENT");
  while( (N--)>0 && db_step(&q)==SQLITE_ROW ){
    int id = db_column_int(&q,0);
    fossil_print("Checking %d       \r", id);
    nTest++;
    fflush(stdout);
    blob_init(&err, 0, 0);
    p = manifest_get(id, CFTYPE_ANY, &err);
    if( p==0 ){
................................................................................
** processing that must be deferred until all artifacts have been
** seen at least once.  The deferred processing is accomplished
** by the call to manifest_crosslink_end().
*/
void manifest_crosslink_begin(void){
  assert( manifest_crosslink_busy==0 );
  manifest_crosslink_busy = 1;
  db_begin_transaction();
  db_multi_exec(
     "CREATE TEMP TABLE pending_tkt(uuid TEXT UNIQUE);"
     "CREATE TEMP TABLE time_fudge("
     "  mid INTEGER PRIMARY KEY,"    /* The rid of a manifest */
     "  m1 REAL,"                    /* The timestamp on mid */
     "  cid INTEGER,"                /* A child or mid */
     "  m2 REAL"                     /* Timestamp on the child */
................................................................................
    assert( blob_is_reset(pContent) );
    if( (flags & MC_NO_ERRORS)==0 ){
      fossil_error(1, "cannot fetch baseline for manifest [%S]",
                   db_text(0, "SELECT uuid FROM blob WHERE rid=%d",rid));
    }
    return 0;
  }
  db_begin_transaction();
  if( p->type==CFTYPE_MANIFEST ){
    if( permitHooks ){
      zScript = xfer_commit_code();
      zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
    }
    if( p->nCherrypick && db_table_exists("repository","cherrypick") ){
      int i;

  }
  if( verboseFlag ){
    print_checkin_description(mid, 12,
              integrateFlag ? "integrate:" : "merge-from:");
    print_checkin_description(pid, 12, "baseline:");
  }
  vfile_check_signature(vid, CKSIG_ENOTFILE);
  db_begin_write();
  if( !dryRunFlag ) undo_begin();
  if( load_vfile_from_rid(mid) && !forceMissingFlag ){
    fossil_fatal("missing content, unable to merge");
  }
  if( load_vfile_from_rid(pid) && !forceMissingFlag ){
    fossil_fatal("missing content, unable to merge");
  }

  }
  if( verboseFlag ){
    print_checkin_description(mid, 12,
              integrateFlag ? "integrate:" : "merge-from:");
    print_checkin_description(pid, 12, "baseline:");
  }
  vfile_check_signature(vid, CKSIG_ENOTFILE);
  db_begin_transaction();
  if( !dryRunFlag ) undo_begin();
  if( load_vfile_from_rid(mid) && !forceMissingFlag ){
    fossil_fatal("missing content, unable to merge");
  }
  if( load_vfile_from_rid(pid) && !forceMissingFlag ){
    fossil_fatal("missing content, unable to merge");
  }

*/
void moderation_disapprove(int objid){
  Stmt q;
  char *zTktid;
  int attachRid = 0;
  int rid;
  if( !moderation_pending(objid) ) return;
  db_begin_write();
  rid = objid;
  while( rid && content_is_private(rid) ){
    db_prepare(&q, "SELECT rid FROM delta WHERE srcid=%d", rid);
    while( db_step(&q)==SQLITE_ROW ){
      int ridUser = db_column_int(&q, 0);
      content_undelta(ridUser);
    }
................................................................................
}

/*
** Approve an object held for moderation.
*/
void moderation_approve(int rid){
  if( !moderation_pending(rid) ) return;
  db_begin_write();
  db_multi_exec(
    "DELETE FROM private WHERE rid=%d;"
    "INSERT OR IGNORE INTO unclustered VALUES(%d);"
    "INSERT OR IGNORE INTO unsent VALUES(%d);",
    rid, rid, rid
  );
  db_multi_exec("DELETE FROM modreq WHERE objid=%d", rid);
................................................................................
  if( moderation_table_exists() ){
    blob_init(&sql, timeline_query_for_www(), -1);
    blob_append_sql(&sql,
        " AND event.objid IN (SELECT objid FROM modreq)"
        " ORDER BY event.mtime DESC"
    );
    db_prepare(&q, "%s", blob_sql_text(&sql));
    www_print_timeline(&q, 0, 0, 0, 0, 0, 0);
    db_finalize(&q);
  }
  style_footer();
}

/*
** Disapproves any entries in the modreq table which belong to any

*/
void moderation_disapprove(int objid){
  Stmt q;
  char *zTktid;
  int attachRid = 0;
  int rid;
  if( !moderation_pending(objid) ) return;
  db_begin_transaction();
  rid = objid;
  while( rid && content_is_private(rid) ){
    db_prepare(&q, "SELECT rid FROM delta WHERE srcid=%d", rid);
    while( db_step(&q)==SQLITE_ROW ){
      int ridUser = db_column_int(&q, 0);
      content_undelta(ridUser);
    }
................................................................................
}

/*
** Approve an object held for moderation.
*/
void moderation_approve(int rid){
  if( !moderation_pending(rid) ) return;
  db_begin_transaction();
  db_multi_exec(
    "DELETE FROM private WHERE rid=%d;"
    "INSERT OR IGNORE INTO unclustered VALUES(%d);"
    "INSERT OR IGNORE INTO unsent VALUES(%d);",
    rid, rid, rid
  );
  db_multi_exec("DELETE FROM modreq WHERE objid=%d", rid);
................................................................................
  if( moderation_table_exists() ){
    blob_init(&sql, timeline_query_for_www(), -1);
    blob_append_sql(&sql,
        " AND event.objid IN (SELECT objid FROM modreq)"
        " ORDER BY event.mtime DESC"
    );
    db_prepare(&q, "%s", blob_sql_text(&sql));
    www_print_timeline(&q, 0, 0, 0, 0, 0, 0, 0);
    db_finalize(&q);
  }
  style_footer();
}

/*
** Disapproves any entries in the modreq table which belong to any

  /* It looks like this may be a date.  Return it with punctuation added. */
  return zEDate;
}

/*
** Return the RID that is the "root" of the branch that contains
** check-in "rid" if inBranch==0 or the first check-in in the branch
** if inBranch==1.







*/
int start_of_branch(int rid, int inBranch){
  Stmt q;
  int rc;

  char *zBr;
  zBr = db_text("trunk","SELECT value FROM tagxref"
                        " WHERE rid=%d AND tagid=%d"
                        " AND tagtype>0",
                        rid, TAG_BRANCH);
  db_prepare(&q,
    "SELECT pid, EXISTS(SELECT 1 FROM tagxref"
                       " WHERE tagid=%d AND tagtype>0"
                       "   AND value=%Q AND rid=plink.pid)"
    "  FROM plink"
    " WHERE cid=:cid AND isprim",
    TAG_BRANCH, zBr
  );
  fossil_free(zBr);
  do{
    db_reset(&q);
    db_bind_int(&q, ":cid", rid);
    rc = db_step(&q);
    if( rc!=SQLITE_ROW ) break;
    if( inBranch && db_column_int(&q,1)==0 ) break;
    rid = db_column_int(&q, 0);
  }while( db_column_int(&q, 1)==1 && rid>0 );
  db_finalize(&q);





  return rid;
}

/*
** Convert a symbolic name into a RID.  Acceptable forms:
**
**   *  artifact hash (optionally enclosed in [...])
**   *  4-character or larger prefix of a artifact
................................................................................
** Return the RID of the matching artifact.  Or return 0 if the name does not
** match any known object.  Or return -1 if the name is ambiguous.
**
** The zType parameter specifies the type of artifact: ci, t, w, e, g, f.
** If zType is NULL or "" or "*" then any type of artifact will serve.
** If zType is "br" then find the first check-in of the named branch
** rather than the last.

** zType is "ci" in most use cases since we are usually searching for
** a check-in.
**
** Note that the input zTag for types "t" and "e" is the artifact hash of
** the ticket-change or technote-change artifact, not the randomly generated
** hexadecimal identifier assigned to tickets and events.  Those identifiers
** live in a separate namespace.
................................................................................
  int rid = 0;
  int nTag;
  int i;
  int startOfBranch = 0;
  const char *zXTag;     /* zTag with optional [...] removed */
  int nXTag;             /* Size of zXTag */
  const char *zDate;     /* Expanded date-time string */


  if( zType==0 || zType[0]==0 ){
    zType = "*";
  }else if( zType[0]=='b' ){
    zType = "ci";
    startOfBranch = 1;
  }
................................................................................
       "   AND event.type GLOB '%q'",
       &zTag[4], zType
    );
    if( startOfBranch ) rid = start_of_branch(rid,1);
    return rid;
  }

  /* root:TAG -> The origin of the branch */
  if( memcmp(zTag, "root:", 5)==0 ){
    rid = symbolic_name_to_rid(zTag+5, zType);
    return start_of_branch(rid, 0);





  }

  /* symbolic-name ":" date-time */
  nTag = strlen(zTag);
  for(i=0; i<nTag-10 && zTag[i]!=':'; i++){}
  if( zTag[i]==':' && fossil_isdate(&zTag[i+1]) ){
    char *zDate = mprintf("%s", &zTag[i+1]);
................................................................................
      rid = db_column_int(&q, 0);
      if( db_step(&q)==SQLITE_ROW ) rid = -1;
    }
    db_finalize(&q);
    if( rid ) return rid;
  }




  /* Symbolic name */
  rid = db_int(0,
    "SELECT event.objid, max(event.mtime)"
    "  FROM tag, tagxref, event"
    " WHERE tag.tagname='sym-%q' "
    "   AND tagxref.tagid=tag.tagid AND tagxref.tagtype>0 "
    "   AND event.objid=tagxref.rid "
    "   AND event.type GLOB '%q'",
    zTag, zType
  );

  if( rid>0 ){
    if( startOfBranch ) rid = start_of_branch(rid,1);
    return rid;
  }

  /* Pure numeric date/time */
  zDate = fossil_expand_datetime(zTag, 0);
................................................................................
  }
  return c;
}

/*
** COMMAND: test-name-to-id
**
** Convert a name to a full artifact ID.



*/
void test_name_to_id(void){
  int i;

  Blob name;
  db_must_be_within_tree();
  for(i=2; i<g.argc; i++){






    blob_init(&name, g.argv[i], -1);
    fossil_print("%s -> ", g.argv[i]);
    if( name_to_uuid(&name, 1, "*") ){
      fossil_print("ERROR: %s\n", g.zErrMsg);
      fossil_error_reset();
    }else{
      fossil_print("%s\n", blob_buffer(&name));
    }
    blob_reset(&name);

  }
}

/*
** Convert a name to a rid.  If the name can be any of the various forms
** accepted:
**

  /* It looks like this may be a date.  Return it with punctuation added. */
  return zEDate;
}

/*
** Return the RID that is the "root" of the branch that contains
** check-in "rid".  Details depending on eType:
**
**    eType==0    The check-in of the parent branch off of which
**                the branch containing RID originally diverged.
**
**    eType==1    The first check-in of the branch that contains RID.
**
**    eType==2    The youngest ancestor of RID that is on the branch
**                from which the branch containing RID diverged.
*/
int start_of_branch(int rid, int eType){
  Stmt q;
  int rc;
  int ans = rid;
  char *zBr = branch_of_rid(rid);




  db_prepare(&q,
    "SELECT pid, EXISTS(SELECT 1 FROM tagxref"
                       " WHERE tagid=%d AND tagtype>0"
                       "   AND value=%Q AND rid=plink.pid)"
    "  FROM plink"
    " WHERE cid=:cid AND isprim",
    TAG_BRANCH, zBr
  );
  fossil_free(zBr);
  do{
    db_reset(&q);
    db_bind_int(&q, ":cid", ans);
    rc = db_step(&q);
    if( rc!=SQLITE_ROW ) break;
    if( eType==1 && db_column_int(&q,1)==0 ) break;
    ans = db_column_int(&q, 0);
  }while( db_column_int(&q, 1)==1 && ans>0 );
  db_finalize(&q);
  if( eType==2 && ans>0 ){
    zBr = branch_of_rid(ans);
    ans = compute_youngest_ancestor_in_branch(rid, zBr);
    fossil_free(zBr);
  }
  return ans;
}

/*
** Convert a symbolic name into a RID.  Acceptable forms:
**
**   *  artifact hash (optionally enclosed in [...])
**   *  4-character or larger prefix of a artifact
................................................................................
** Return the RID of the matching artifact.  Or return 0 if the name does not
** match any known object.  Or return -1 if the name is ambiguous.
**
** The zType parameter specifies the type of artifact: ci, t, w, e, g, f.
** If zType is NULL or "" or "*" then any type of artifact will serve.
** If zType is "br" then find the first check-in of the named branch
** rather than the last.
**
** zType is "ci" in most use cases since we are usually searching for
** a check-in.
**
** Note that the input zTag for types "t" and "e" is the artifact hash of
** the ticket-change or technote-change artifact, not the randomly generated
** hexadecimal identifier assigned to tickets and events.  Those identifiers
** live in a separate namespace.
................................................................................
  int rid = 0;
  int nTag;
  int i;
  int startOfBranch = 0;
  const char *zXTag;     /* zTag with optional [...] removed */
  int nXTag;             /* Size of zXTag */
  const char *zDate;     /* Expanded date-time string */
  const char *zTagPrefix = "sym";

  if( zType==0 || zType[0]==0 ){
    zType = "*";
  }else if( zType[0]=='b' ){
    zType = "ci";
    startOfBranch = 1;
  }
................................................................................
       "   AND event.type GLOB '%q'",
       &zTag[4], zType
    );
    if( startOfBranch ) rid = start_of_branch(rid,1);
    return rid;
  }

  /* root:BR -> The origin of the branch named BR */
  if( strncmp(zTag, "root:", 5)==0 ){
    rid = symbolic_name_to_rid(zTag+5, zType);
    return start_of_branch(rid, 0);
  }
  /* rootx:BR -> Most recent merge-in for the branch name BR */
  if( strncmp(zTag, "merge-in:", 9)==0 ){
    rid = symbolic_name_to_rid(zTag+9, zType);
    return start_of_branch(rid, 2);
  }

  /* symbolic-name ":" date-time */
  nTag = strlen(zTag);
  for(i=0; i<nTag-10 && zTag[i]!=':'; i++){}
  if( zTag[i]==':' && fossil_isdate(&zTag[i+1]) ){
    char *zDate = mprintf("%s", &zTag[i+1]);
................................................................................
      rid = db_column_int(&q, 0);
      if( db_step(&q)==SQLITE_ROW ) rid = -1;
    }
    db_finalize(&q);
    if( rid ) return rid;
  }

  if( zType[0]=='w' ){
    zTagPrefix = "wiki";
  }
  /* Symbolic name */
  rid = db_int(0,
    "SELECT event.objid, max(event.mtime)"
    "  FROM tag, tagxref, event"
    " WHERE tag.tagname='%q-%q' "
    "   AND tagxref.tagid=tag.tagid AND tagxref.tagtype>0 "
    "   AND event.objid=tagxref.rid "
    "   AND event.type GLOB '%q'",
    zTagPrefix, zTag, zType
  );

  if( rid>0 ){
    if( startOfBranch ) rid = start_of_branch(rid,1);
    return rid;
  }

  /* Pure numeric date/time */
  zDate = fossil_expand_datetime(zTag, 0);
................................................................................
  }
  return c;
}

/*
** COMMAND: test-name-to-id
**
** Usage:  %fossil test-name-to-id [--count N] NAME
**
** Convert a NAME to a full artifact ID.  Repeat the conversion N
** times (for timing purposes) if the --count option is given.
*/
void test_name_to_id(void){
  int i;
  int n = 0;
  Blob name;
  db_must_be_within_tree();
  for(i=2; i<g.argc; i++){
    if( strcmp(g.argv[i],"--count")==0 && i+1<g.argc ){
      i++;
      n = atoi(g.argv[i]);
      continue;
    }
    do{
      blob_init(&name, g.argv[i], -1);
      fossil_print("%s -> ", g.argv[i]);
      if( name_to_uuid(&name, 1, "*") ){
        fossil_print("ERROR: %s\n", g.zErrMsg);
        fossil_error_reset();
      }else{
        fossil_print("%s\n", blob_buffer(&name));
      }
      blob_reset(&name);
    }while( n-- > 0 );
  }
}

/*
** Convert a name to a rid.  If the name can be any of the various forms
** accepted:
**

  int bTest = find_option("test",0,0)!=0;  /* Undocumented --test option */
  int bExclusive = find_option("exclusive",0,0)!=0;  /* undocumented */
  int i;

  db_find_and_open_repository(0,0);
  verify_all_options();
  if( g.argc<3 ) usage("?--only? TAGS...");
  db_begin_write();
  db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY);");
  for(i=2; i<g.argc; i++){
    int rid = name_to_rid(g.argv[i]);
    if( db_exists("SELECT 1 FROM tagxref"
                  " WHERE rid=%d AND tagid=%d"
                  "   AND tagtype>0 AND value=%Q",
                  rid,TAG_BRANCH,g.argv[i]) ){

  int bTest = find_option("test",0,0)!=0;  /* Undocumented --test option */
  int bExclusive = find_option("exclusive",0,0)!=0;  /* undocumented */
  int i;

  db_find_and_open_repository(0,0);
  verify_all_options();
  if( g.argc<3 ) usage("?--only? TAGS...");
  db_begin_transaction();
  db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY);");
  for(i=2; i<g.argc; i++){
    int rid = name_to_rid(g.argv[i]);
    if( db_exists("SELECT 1 FROM tagxref"
                  " WHERE rid=%d AND tagid=%d"
                  "   AND tagtype>0 AND value=%Q",
                  rid,TAG_BRANCH,g.argv[i]) ){

  unsigned purgeFlags     /* zero or more PURGE_* flags */
){
  int peid = 0;                 /* New purgeevent ID */
  Stmt q;                       /* General-use prepared statement */
  char *z;

  assert( g.repositoryOpen );   /* Main database must already be open */
  db_begin_write();
  z = sqlite3_mprintf("IN \"%w\"", zTab);
  describe_artifacts(z);
  sqlite3_free(z);
  describe_artifacts_to_stdout(0, 0);

  /* The explain-only flags causes this routine to list the artifacts
  ** that would have been purged but to not actually make any changes
................................................................................
** not in the set.
**
** The "fossil publish" command with the (undocumented) --test and
** --exclusive options can be used for interactiving testing of this
** function.
*/
void find_checkin_associates(const char *zTab, int bExclusive){
  db_begin_write();

  /* Compute the set of files that need to be added to zTab */
  db_multi_exec("CREATE TEMP TABLE \"%w_files\"(fid INTEGER PRIMARY KEY)",zTab);
  db_multi_exec(
    "INSERT OR IGNORE INTO \"%w_files\"(fid)"
    "  SELECT fid FROM mlink WHERE fid!=0 AND mid IN \"%w\"",
    zTab, zTab
................................................................................
  db_find_and_open_repository(0,0);
  n = (int)strlen(zSubcmd);
  if( find_option("explain",0,0)!=0 || find_option("dry-run",0,0)!=0 ){
    purgeFlags |= PURGE_EXPLAIN_ONLY;
  }
  if( strncmp(zSubcmd, "artifacts", n)==0 ){
    verify_all_options();
    db_begin_write();
    db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY)");
    for(i=3; i<g.argc; i++){
      int r = name_to_typed_rid(g.argv[i], "");
      db_multi_exec("INSERT OR IGNORE INTO ok(rid) VALUES(%d);", r);
    }
    describe_artifacts_to_stdout("IN ok", 0);
    purge_artifact_list("ok", "", purgeFlags);
................................................................................
    }
  }else if( strncmp(zSubcmd, "checkins", n)==0 ){
    int vid;
    if( find_option("explain",0,0)!=0 || find_option("dry-run",0,0)!=0 ){
      purgeFlags |= PURGE_EXPLAIN_ONLY;
    }
    verify_all_options();
    db_begin_write();
    if( g.argc<=3 ) usage("checkins TAGS... [OPTIONS]");
    db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY)");
    for(i=3; i<g.argc; i++){
      int r = name_to_typed_rid(g.argv[i], "br");
      compute_descendants(r, 1000000000);
    }
    vid = db_lget_int("checkout",0);
................................................................................
      fossil_fatal("cannot purge the current checkout");
    }
    find_checkin_associates("ok", 1);
    purge_artifact_list("ok", "", purgeFlags);
    db_end_transaction(0);
  }else if( strncmp(zSubcmd, "files", n)==0 ){
    verify_all_options();
    db_begin_write();
    db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY)");
    for(i=3; i<g.argc; i++){
      db_multi_exec(
         "INSERT OR IGNORE INTO ok(rid) "
         "  SELECT fid FROM mlink, filename"
         "   WHERE mlink.fnid=filename.fnid"
         "     AND (filename.name=%Q OR filename.name GLOB '%q/*')",
................................................................................
         "Obliterating the graveyard will permanently delete information.\n"
         "Changes cannot be undone.  Continue (y/N)? ", &ans);
      cReply = blob_str(&ans)[0];
      if( cReply!='y' && cReply!='Y' ){
        fossil_exit(1);
      }
    }
    db_begin_write();
    for(i=3; i<g.argc; i++){
      int peid = atoi(g.argv[i]);
      if( !db_exists("SELECT 1 FROM purgeevent WHERE peid=%d",peid) ){
        fossil_fatal("no such purge event: %s", g.argv[i]);
      }
      db_multi_exec(
        "DELETE FROM purgeevent WHERE peid=%d;"
................................................................................
  }else if( strncmp(zSubcmd, "tickets", n)==0 ){
    fossil_fatal("not yet implemented....");
  }else if( strncmp(zSubcmd, "undo", n)==0 ){
    int peid;
    if( g.argc!=4 ) usage("undo ID");
    peid = atoi(g.argv[3]);
    if( (purgeFlags & PURGE_EXPLAIN_ONLY)==0 ){
      db_begin_write();
      db_multi_exec(
        "CREATE TEMP TABLE ix("
        "  piid INTEGER PRIMARY KEY,"
        "  srcid INTEGER"
        ");"
        "CREATE INDEX ixsrcid ON ix(srcid);"
        "INSERT INTO ix(piid,srcid) "

  unsigned purgeFlags     /* zero or more PURGE_* flags */
){
  int peid = 0;                 /* New purgeevent ID */
  Stmt q;                       /* General-use prepared statement */
  char *z;

  assert( g.repositoryOpen );   /* Main database must already be open */
  db_begin_transaction();
  z = sqlite3_mprintf("IN \"%w\"", zTab);
  describe_artifacts(z);
  sqlite3_free(z);
  describe_artifacts_to_stdout(0, 0);

  /* The explain-only flags causes this routine to list the artifacts
  ** that would have been purged but to not actually make any changes
................................................................................
** not in the set.
**
** The "fossil publish" command with the (undocumented) --test and
** --exclusive options can be used for interactiving testing of this
** function.
*/
void find_checkin_associates(const char *zTab, int bExclusive){
  db_begin_transaction();

  /* Compute the set of files that need to be added to zTab */
  db_multi_exec("CREATE TEMP TABLE \"%w_files\"(fid INTEGER PRIMARY KEY)",zTab);
  db_multi_exec(
    "INSERT OR IGNORE INTO \"%w_files\"(fid)"
    "  SELECT fid FROM mlink WHERE fid!=0 AND mid IN \"%w\"",
    zTab, zTab
................................................................................
  db_find_and_open_repository(0,0);
  n = (int)strlen(zSubcmd);
  if( find_option("explain",0,0)!=0 || find_option("dry-run",0,0)!=0 ){
    purgeFlags |= PURGE_EXPLAIN_ONLY;
  }
  if( strncmp(zSubcmd, "artifacts", n)==0 ){
    verify_all_options();
    db_begin_transaction();
    db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY)");
    for(i=3; i<g.argc; i++){
      int r = name_to_typed_rid(g.argv[i], "");
      db_multi_exec("INSERT OR IGNORE INTO ok(rid) VALUES(%d);", r);
    }
    describe_artifacts_to_stdout("IN ok", 0);
    purge_artifact_list("ok", "", purgeFlags);
................................................................................
    }
  }else if( strncmp(zSubcmd, "checkins", n)==0 ){
    int vid;
    if( find_option("explain",0,0)!=0 || find_option("dry-run",0,0)!=0 ){
      purgeFlags |= PURGE_EXPLAIN_ONLY;
    }
    verify_all_options();
    db_begin_transaction();
    if( g.argc<=3 ) usage("checkins TAGS... [OPTIONS]");
    db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY)");
    for(i=3; i<g.argc; i++){
      int r = name_to_typed_rid(g.argv[i], "br");
      compute_descendants(r, 1000000000);
    }
    vid = db_lget_int("checkout",0);
................................................................................
      fossil_fatal("cannot purge the current checkout");
    }
    find_checkin_associates("ok", 1);
    purge_artifact_list("ok", "", purgeFlags);
    db_end_transaction(0);
  }else if( strncmp(zSubcmd, "files", n)==0 ){
    verify_all_options();
    db_begin_transaction();
    db_multi_exec("CREATE TEMP TABLE ok(rid INTEGER PRIMARY KEY)");
    for(i=3; i<g.argc; i++){
      db_multi_exec(
         "INSERT OR IGNORE INTO ok(rid) "
         "  SELECT fid FROM mlink, filename"
         "   WHERE mlink.fnid=filename.fnid"
         "     AND (filename.name=%Q OR filename.name GLOB '%q/*')",
................................................................................
         "Obliterating the graveyard will permanently delete information.\n"
         "Changes cannot be undone.  Continue (y/N)? ", &ans);
      cReply = blob_str(&ans)[0];
      if( cReply!='y' && cReply!='Y' ){
        fossil_exit(1);
      }
    }
    db_begin_transaction();
    for(i=3; i<g.argc; i++){
      int peid = atoi(g.argv[i]);
      if( !db_exists("SELECT 1 FROM purgeevent WHERE peid=%d",peid) ){
        fossil_fatal("no such purge event: %s", g.argv[i]);
      }
      db_multi_exec(
        "DELETE FROM purgeevent WHERE peid=%d;"
................................................................................
  }else if( strncmp(zSubcmd, "tickets", n)==0 ){
    fossil_fatal("not yet implemented....");
  }else if( strncmp(zSubcmd, "undo", n)==0 ){
    int peid;
    if( g.argc!=4 ) usage("undo ID");
    peid = atoi(g.argv[3]);
    if( (purgeFlags & PURGE_EXPLAIN_ONLY)==0 ){
      db_begin_transaction();
      db_multi_exec(
        "CREATE TEMP TABLE ix("
        "  piid INTEGER PRIMARY KEY,"
        "  srcid INTEGER"
        ");"
        "CREATE INDEX ixsrcid ON ix(srcid);"
        "INSERT INTO ix(piid,srcid) "

  /* Verify that the MLINK table has the newer columns added by the
  ** 2015-01-24 schema change.  Create them if necessary.  This code
  ** can be removed in the future, once all users have upgraded to the
  ** 2015-01-24 or later schema.
  */
  if( !db_table_has_column("repository","mlink","isaux") ){
    db_begin_write();
    db_multi_exec(
      "ALTER TABLE repository.mlink ADD COLUMN pmid INTEGER DEFAULT 0;"
      "ALTER TABLE repository.mlink ADD COLUMN isaux BOOLEAN DEFAULT 0;"
    );
    db_end_transaction(0);
  }

................................................................................
*/
void extra_deltification(void){
  Stmt q;
  int aPrev[N_NEIGHBOR];
  int nPrev;
  int rid;
  int prevfnid, fnid;
  db_begin_write();

  /* Look for manifests that have not been deltaed and try to make them
  ** children of one of the 5 chronologically subsequent check-ins
  */
  db_prepare(&q,
     "SELECT rid FROM event, blob"
     " WHERE blob.rid=event.objid"
................................................................................
  if( optIfNeeded && fossil_strcmp(db_get("aux-schema",""),AUX_SCHEMA_MAX)==0 ){
    return;
  }

  /* We should be done with options.. */
  verify_all_options();

  db_begin_write();
  if( !compressOnlyFlag ){
    search_drop_index();
    ttyOutput = 1;
    errCnt = rebuild_db(randomizeFlag, 1, doClustering);
    reconstruct_private_table();
  }
  db_multi_exec(
................................................................................
** Change the project-code and make other changes in order to prevent
** the repository from ever again pushing or pulling to other
** repositories.  Used to create a "test" repository for development
** testing by cloning a working project repository.
*/
void test_detach_cmd(void){
  db_find_and_open_repository(0, 2);
  db_begin_write();
  db_multi_exec(
    "DELETE FROM config WHERE name='last-sync-url';"
    "UPDATE config SET value=lower(hex(randomblob(20)))"
    " WHERE name='project-code';"
    "UPDATE config SET value='detached-' || value"
    " WHERE name='project-name' AND value NOT GLOB 'detached-*';"
  );
................................................................................
    db_find_and_open_repository(0, 0);
    if( g.argc!=2 ){
      usage("?REPOSITORY-FILENAME?");
    }
    db_close(1);
    db_open_repository(g.zRepositoryName);
  }
  db_begin_write();
  create_cluster();
  db_end_transaction(0);
}

/*
** COMMAND: test-clusters
**
................................................................................
         "Scrubbing the repository will permanently delete information.\n"
         "Changes cannot be undone.  Continue (y/N)? ", &ans);
    cReply = blob_str(&ans)[0];
    if( cReply!='y' && cReply!='Y' ){
      fossil_exit(1);
    }
  }
  db_begin_write();
  if( privateOnly || bVerily ){
    bNeedRebuild = db_exists("SELECT 1 FROM private");
    delete_private_content();
  }
  if( !privateOnly ){
    db_multi_exec(
      "UPDATE user SET pw='';"
................................................................................
  db_create_repository(g.argv[2]);
  db_open_repository(g.argv[2]);

  /* We should be done with options.. */
  verify_all_options();

  db_open_config(0, 0);
  db_begin_write();
  db_initial_setup(0, 0, 0);

  fossil_print("Reading files from directory \"%s\"...\n", g.argv[3]);
  recon_read_dir(g.argv[3]);
  fossil_print("\nBuilding the Fossil repository...\n");

  rebuild_db(0, 1, 1);

  /* Verify that the MLINK table has the newer columns added by the
  ** 2015-01-24 schema change.  Create them if necessary.  This code
  ** can be removed in the future, once all users have upgraded to the
  ** 2015-01-24 or later schema.
  */
  if( !db_table_has_column("repository","mlink","isaux") ){
    db_begin_transaction();
    db_multi_exec(
      "ALTER TABLE repository.mlink ADD COLUMN pmid INTEGER DEFAULT 0;"
      "ALTER TABLE repository.mlink ADD COLUMN isaux BOOLEAN DEFAULT 0;"
    );
    db_end_transaction(0);
  }

................................................................................
*/
void extra_deltification(void){
  Stmt q;
  int aPrev[N_NEIGHBOR];
  int nPrev;
  int rid;
  int prevfnid, fnid;
  db_begin_transaction();

  /* Look for manifests that have not been deltaed and try to make them
  ** children of one of the 5 chronologically subsequent check-ins
  */
  db_prepare(&q,
     "SELECT rid FROM event, blob"
     " WHERE blob.rid=event.objid"
................................................................................
  if( optIfNeeded && fossil_strcmp(db_get("aux-schema",""),AUX_SCHEMA_MAX)==0 ){
    return;
  }

  /* We should be done with options.. */
  verify_all_options();

  db_begin_transaction();
  if( !compressOnlyFlag ){
    search_drop_index();
    ttyOutput = 1;
    errCnt = rebuild_db(randomizeFlag, 1, doClustering);
    reconstruct_private_table();
  }
  db_multi_exec(
................................................................................
** Change the project-code and make other changes in order to prevent
** the repository from ever again pushing or pulling to other
** repositories.  Used to create a "test" repository for development
** testing by cloning a working project repository.
*/
void test_detach_cmd(void){
  db_find_and_open_repository(0, 2);
  db_begin_transaction();
  db_multi_exec(
    "DELETE FROM config WHERE name='last-sync-url';"
    "UPDATE config SET value=lower(hex(randomblob(20)))"
    " WHERE name='project-code';"
    "UPDATE config SET value='detached-' || value"
    " WHERE name='project-name' AND value NOT GLOB 'detached-*';"
  );
................................................................................
    db_find_and_open_repository(0, 0);
    if( g.argc!=2 ){
      usage("?REPOSITORY-FILENAME?");
    }
    db_close(1);
    db_open_repository(g.zRepositoryName);
  }
  db_begin_transaction();
  create_cluster();
  db_end_transaction(0);
}

/*
** COMMAND: test-clusters
**
................................................................................
         "Scrubbing the repository will permanently delete information.\n"
         "Changes cannot be undone.  Continue (y/N)? ", &ans);
    cReply = blob_str(&ans)[0];
    if( cReply!='y' && cReply!='Y' ){
      fossil_exit(1);
    }
  }
  db_begin_transaction();
  if( privateOnly || bVerily ){
    bNeedRebuild = db_exists("SELECT 1 FROM private");
    delete_private_content();
  }
  if( !privateOnly ){
    db_multi_exec(
      "UPDATE user SET pw='';"
................................................................................
  db_create_repository(g.argv[2]);
  db_open_repository(g.argv[2]);

  /* We should be done with options.. */
  verify_all_options();

  db_open_config(0, 0);
  db_begin_transaction();
  db_initial_setup(0, 0, 0);

  fossil_print("Reading files from directory \"%s\"...\n", g.argv[3]);
  recon_read_dir(g.argv[3]);
  fossil_print("\nBuilding the Fossil repository...\n");

  rebuild_db(0, 1, 1);

  if( iCmd==1 ){
    if( search_index_exists() ) iAction = 2;
  }
  if( iCmd==2 ){
    if( g.argc<3 ) usage("index (on|off)");
    iAction = 1 + is_truth(g.argv[3]);
  }
  db_begin_write();

  /* Adjust search settings */
  if( iCmd==3 || iCmd==4 ){
    const char *zCtrl;
    if( g.argc<4 ) usage(mprintf("%s STRING",zSubCmd));
    zCtrl = g.argv[3];
    for(j=0; j<count(aSetng); j++){

  if( iCmd==1 ){
    if( search_index_exists() ) iAction = 2;
  }
  if( iCmd==2 ){
    if( g.argc<3 ) usage("index (on|off)");
    iAction = 1 + is_truth(g.argv[3]);
  }
  db_begin_transaction();

  /* Adjust search settings */
  if( iCmd==3 || iCmd==4 ){
    const char *zCtrl;
    if( g.argc<4 ) usage(mprintf("%s STRING",zSubCmd));
    zCtrl = g.argv[3];
    for(j=0; j<count(aSetng); j++){

  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }

  style_header("Access Control Settings");
  db_begin_write();
  @ <form action="%s(g.zTop)/setup_access" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>
  @ <hr />
  multiple_choice_attribute("Redirect to HTTPS",
     "redirect-to-https", "redirhttps", "0",
     count(azRedirectOpts)/2, azRedirectOpts);
................................................................................
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }

  style_header("Timeline Display Preferences");
  db_begin_write();
  @ <form action="%s(g.zTop)/setup_timeline" method="post"><div>
  login_insert_csrf_secret();
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>

  @ <hr />
  onoff_attribute("Allow block-markup in timeline",
                  "timeline-block-markup", "tbm", 0, 0);
................................................................................

  style_header("Settings");
  if(!g.repositoryOpen){
    /* Provide read-only access to versioned settings,
       but only if no repo file was explicitly provided. */
    db_open_local(0);
  }
  db_begin_write();
  @ <p>Settings marked with (v) are "versionable" and will be overridden
  @ by the contents of managed files named
  @ "<tt>.fossil-settings/</tt><i>SETTING-NAME</i>".
  @ If the file for a versionable setting exists, the value cannot be
  @ changed on this screen.</p><hr /><p>
  @
  @ <form action="%s(g.zTop)/setup_settings" method="post"><div>
................................................................................
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }

  style_header("WWW Configuration");
  db_begin_write();
  @ <form action="%s(g.zTop)/setup_config" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>
  @ <hr />
  entry_attribute("Project Name", 60, "project-name", "pn", "", 0);
  @ <p>A brief project name so visitors know what this site is about.
  @ The project name will also be used as the RSS feed title.
................................................................................
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }

  style_header("Wiki Configuration");
  db_begin_write();
  @ <form action="%s(g.zTop)/setup_wiki" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>
  @ <hr />
  onoff_attribute("Associate Wiki Pages With Branches, Tags, or Checkins",
                  "wiki-about", "wiki-about", 1, 0);
  @ <p>
................................................................................
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }

  style_header("Moderator For Wiki And Tickets");
  db_begin_write();
  @ <form action="%R/setup_modreq" method="post"><div>
  login_insert_csrf_secret();
  @ <hr />
  onoff_attribute("Moderate ticket changes",
     "modreq-tkt", "modreq-tkt", 0, 0);
  @ <p>When enabled, any change to tickets is subject to the approval
  @ by a ticket moderator - a user with the "q" or Mod-Tkt privilege.
................................................................................
*/
void setup_adunit(void){
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  db_begin_write();
  if( P("clear")!=0 && cgi_csrf_safe(1) ){
    db_multi_exec("DELETE FROM config WHERE name GLOB 'adunit*'");
    cgi_replace_parameter("adunit","");
  }

  style_header("Edit Ad Unit");
  @ <form action="%s(g.zTop)/setup_adunit" method="post"><div>
................................................................................
    zBgMime = PD("bgim:mimetype","image/gif");
  }
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  db_begin_write();
  if( !cgi_csrf_safe(1) ){
    /* Allow no state changes if not safe from CSRF */
  }else if( P("setlogo")!=0 && zLogoMime && zLogoMime[0] && szLogoImg>0 ){
    Blob img;
    Stmt ins;
    blob_init(&img, aLogoImg, szLogoImg);
    db_prepare(&ins,

  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }

  style_header("Access Control Settings");
  db_begin_transaction();
  @ <form action="%s(g.zTop)/setup_access" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>
  @ <hr />
  multiple_choice_attribute("Redirect to HTTPS",
     "redirect-to-https", "redirhttps", "0",
     count(azRedirectOpts)/2, azRedirectOpts);
................................................................................
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }

  style_header("Timeline Display Preferences");
  db_begin_transaction();
  @ <form action="%s(g.zTop)/setup_timeline" method="post"><div>
  login_insert_csrf_secret();
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>

  @ <hr />
  onoff_attribute("Allow block-markup in timeline",
                  "timeline-block-markup", "tbm", 0, 0);
................................................................................

  style_header("Settings");
  if(!g.repositoryOpen){
    /* Provide read-only access to versioned settings,
       but only if no repo file was explicitly provided. */
    db_open_local(0);
  }
  db_begin_transaction();
  @ <p>Settings marked with (v) are "versionable" and will be overridden
  @ by the contents of managed files named
  @ "<tt>.fossil-settings/</tt><i>SETTING-NAME</i>".
  @ If the file for a versionable setting exists, the value cannot be
  @ changed on this screen.</p><hr /><p>
  @
  @ <form action="%s(g.zTop)/setup_settings" method="post"><div>
................................................................................
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }

  style_header("WWW Configuration");
  db_begin_transaction();
  @ <form action="%s(g.zTop)/setup_config" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>
  @ <hr />
  entry_attribute("Project Name", 60, "project-name", "pn", "", 0);
  @ <p>A brief project name so visitors know what this site is about.
  @ The project name will also be used as the RSS feed title.
................................................................................
  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }

  style_header("Wiki Configuration");
  db_begin_transaction();
  @ <form action="%s(g.zTop)/setup_wiki" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>
  @ <hr />
  onoff_attribute("Associate Wiki Pages With Branches, Tags, or Checkins",
                  "wiki-about", "wiki-about", 1, 0);
  @ <p>
................................................................................
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }

  style_header("Moderator For Wiki And Tickets");
  db_begin_transaction();
  @ <form action="%R/setup_modreq" method="post"><div>
  login_insert_csrf_secret();
  @ <hr />
  onoff_attribute("Moderate ticket changes",
     "modreq-tkt", "modreq-tkt", 0, 0);
  @ <p>When enabled, any change to tickets is subject to the approval
  @ by a ticket moderator - a user with the "q" or Mod-Tkt privilege.
................................................................................
*/
void setup_adunit(void){
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  db_begin_transaction();
  if( P("clear")!=0 && cgi_csrf_safe(1) ){
    db_multi_exec("DELETE FROM config WHERE name GLOB 'adunit*'");
    cgi_replace_parameter("adunit","");
  }

  style_header("Edit Ad Unit");
  @ <form action="%s(g.zTop)/setup_adunit" method="post"><div>
................................................................................
    zBgMime = PD("bgim:mimetype","image/gif");
  }
  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  db_begin_transaction();
  if( !cgi_csrf_safe(1) ){
    /* Allow no state changes if not safe from CSRF */
  }else if( P("setlogo")!=0 && zLogoMime && zLogoMime[0] && szLogoImg>0 ){
    Blob img;
    Stmt ins;
    blob_init(&img, aLogoImg, szLogoImg);
    db_prepare(&ins,

  f = fopen(zTempFile, bBin ? "wb" : "w");
  if( f==0 ){
    sqlite3_result_error(context, "edit() cannot open temp file", -1);
    goto edit_func_end;
  }
  sz = sqlite3_value_bytes(argv[0]);
  if( bBin ){
    x = fwrite(sqlite3_value_blob(argv[0]), 1, sz, f);
  }else{
    const char *z = (const char*)sqlite3_value_text(argv[0]);
    /* Remember whether or not the value originally contained \r\n */
    if( z && strstr(z,"\r\n")!=0 ) hasCRNL = 1;
    x = fwrite(sqlite3_value_text(argv[0]), 1, sz, f);
  }
  fclose(f);
  f = 0;
  if( x!=sz ){
    sqlite3_result_error(context, "edit() could not write the whole file", -1);
    goto edit_func_end;
  }
................................................................................
    sqlite3_result_error(context,
      "edit() cannot reopen temp file after edit", -1);
    goto edit_func_end;
  }
  fseek(f, 0, SEEK_END);
  sz = ftell(f);
  rewind(f);
  p = sqlite3_malloc64( sz+(bBin==0) );
  if( p==0 ){
    sqlite3_result_error_nomem(context);
    goto edit_func_end;
  }
  x = fread(p, 1, sz, f);
  fclose(f);
  f = 0;
  if( x!=sz ){
    sqlite3_result_error(context, "could not read back the whole file", -1);
    goto edit_func_end;
  }
  if( bBin ){
................................................................................
static void eqp_render_level(ShellState *p, int iEqpId){
  EQPGraphRow *pRow, *pNext;
  int n = strlen30(p->sGraph.zPrefix);
  char *z;
  for(pRow = eqp_next_row(p, iEqpId, 0); pRow; pRow = pNext){
    pNext = eqp_next_row(p, iEqpId, pRow);
    z = pRow->zText;
    utf8_printf(p->out, "%s%s%s\n", p->sGraph.zPrefix, pNext ? "|--" : "`--", z);

    if( n<(int)sizeof(p->sGraph.zPrefix)-7 ){
      memcpy(&p->sGraph.zPrefix[n], pNext ? "|  " : "   ", 4);
      eqp_render_level(p, pRow->iEqpId);
      p->sGraph.zPrefix[n] = 0;
    }
  }
}
................................................................................
          j--;
        }
        z[j++] = c;
      }
      while( j>0 && IsSpace(z[j-1]) ){ j--; }
      z[j] = 0;
      if( strlen30(z)>=79 ){
        for(i=j=0; (c = z[i])!=0; i++){  /* Copy changes from z[i] back to z[j] */
          if( c==cEnd ){
            cEnd = 0;
          }else if( c=='"' || c=='\'' || c=='`' ){
            cEnd = c;
          }else if( c=='[' ){
            cEnd = ']';
          }else if( c=='-' && z[i+1]=='-' ){
................................................................................
    raw_printf(pArg->out, "Fullscan Steps:                      %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset);
    raw_printf(pArg->out, "Sort Operations:                     %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX,bReset);
    raw_printf(pArg->out, "Autoindex Inserts:                   %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset);
    raw_printf(pArg->out, "Virtual Machine Steps:               %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_REPREPARE, bReset);
    raw_printf(pArg->out, "Reprepare operations:                %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_RUN, bReset);
    raw_printf(pArg->out, "Number of times run:                 %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_MEMUSED, bReset);
    raw_printf(pArg->out, "Memory used by prepared stmt:        %d\n", iCur);
  }

................................................................................
** start of the description of what that command does.
*/
static const char *(azHelp[]) = {
#if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE)
  ".archive ...             Manage SQL archives",
  "   Each command must have exactly one of the following options:",
  "     -c, --create               Create a new archive",
  "     -u, --update               Add files or update files with changed mtime",
  "     -i, --insert               Like -u but always add even if mtime unchanged",
  "     -t, --list                 List contents of archive",
  "     -x, --extract              Extract files from archive",
  "   Optional arguments:",
  "     -v, --verbose              Print each filename as it is processed",
  "     -f FILE, --file FILE       Operate on archive FILE (default is current db)",
  "     -a FILE, --append FILE     Operate on FILE opened using the apndvfs VFS",
  "     -C DIR, --directory DIR    Change to directory DIR to read/extract files",
  "     -n, --dryrun               Show the SQL that would have occurred",
  "   Examples:",
  "     .ar -cf archive.sar foo bar  # Create archive.sar from files foo and bar",
  "     .ar -tf archive.sar          # List members of archive.sar",
  "     .ar -xvf archive.sar         # Verbosely extract files from archive.sar",
  "   See also:",
  "      http://sqlite.org/cli.html#sqlar_archive_support",
#endif
#ifndef SQLITE_OMIT_AUTHORIZATION
  ".auth ON|OFF             Show authorizer callbacks",
#endif
  ".backup ?DB? FILE        Backup DB (default \"main\") to FILE",
  "       --append            Use the appendvfs",
  "       --async             Write to FILE without a journal and without fsync()",
  ".bail on|off             Stop after hitting an error.  Default OFF",
  ".binary on|off           Turn binary output on or off.  Default OFF",
  ".cd DIRECTORY            Change the working directory to DIRECTORY",
  ".changes on|off          Show number of rows changed by SQL",
  ".check GLOB              Fail if output since .testcase does not match",
  ".clone NEWDB             Clone data into NEWDB from the existing database",
  ".databases               List names and files of attached databases",
................................................................................
  "     --newlines             Allow unescaped newline characters in output",
  "   TABLE is a LIKE pattern for the tables to dump",
  ".echo on|off             Turn command echo on or off",
  ".eqp on|off|full|...     Enable or disable automatic EXPLAIN QUERY PLAN",
  "   Other Modes:",
#ifdef SQLITE_DEBUG
  "      test                  Show raw EXPLAIN QUERY PLAN output",
  "      trace                 Like \"full\" but also enable \"PRAGMA vdbe_trace\"",
#endif
  "      trigger               Like \"full\" but also show trigger bytecode",
  ".excel                   Display the output of next command in a spreadsheet",
  ".exit ?CODE?             Exit this program with return-code CODE",
  ".expert                  EXPERIMENTAL. Suggest indexes for specified queries",
/* Because explain mode comes on automatically now, the ".explain" mode
** is removed from the help screen.  It is still supported for legacy, however */
/*".explain ?on|off|auto?   Turn EXPLAIN output mode on or off or to automatic",*/
  ".filectrl CMD ...        Run various sqlite3_file_control() operations",
  "                           Run \".filectrl\" with no arguments for details",
  ".fullschema ?--indent?   Show schema and the content of sqlite_stat tables",
  ".headers on|off          Turn display of headers on or off",
  ".help ?-all? ?PATTERN?   Show help text for PATTERN",
  ".import FILE TABLE       Import data from FILE into TABLE",
#ifndef SQLITE_OMIT_TEST_CONTROL
................................................................................
  "       -e    Invoke system text editor",
  "       -x    Open in a spreadsheet",
  ".open ?OPTIONS? ?FILE?   Close existing database and reopen FILE",
  "     Options:",
  "        --append        Use appendvfs to append database to the end of FILE",
#ifdef SQLITE_ENABLE_DESERIALIZE
  "        --deserialize   Load into memory useing sqlite3_deserialize()",
  "        --hexdb         Load the output of \"dbtotxt\" as an in-memory database",
  "        --maxsize N     Maximum size for --hexdb or --deserialized database",
#endif
  "        --new           Initialize FILE to an empty database",
  "        --readonly      Open FILE readonly",
  "        --zip           FILE is a ZIP archive",
  ".output ?FILE?           Send output to FILE or stdout if FILE is omitted",
  "     If FILE begins with '|' then open it as a pipe.",
  ".parameter CMD ...       Manage SQL parameter bindings",
  "   clear                   Erase all bindings",
  "   init                    Initialize the TEMP table that holds bindings",
  "   list                    List the current parameter bindings",
  "   set PARAMETER VALUE     Given SQL parameter PARAMETER a value of VALUE",
  "                           PARAMETER should start with '$', ':', '@', or '?'",
  "   unset PARAMETER         Remove PARAMETER from the binding table",
  ".print STRING...         Print literal STRING",
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  ".progress N              Invoke progress handler after every N opcodes",
  "   --limit N                 Interrupt after N progress callbacks",
  "   --once                    Do no more than one progress interrupt",
  "   --quiet|-q                No output except at interrupts",
................................................................................
  "   --reset                   Reset the count for each input and interrupt",
#endif
  ".prompt MAIN CONTINUE    Replace the standard prompts",
  ".quit                    Exit this program",
  ".read FILE               Read input from FILE",
#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_ENABLE_DBPAGE_VTAB)
  ".recover                 Recover as much data as possible from corrupt db.",



#endif
  ".restore ?DB? FILE       Restore content of DB (default \"main\") from FILE",
  ".save FILE               Write in-memory database into FILE",
  ".scanstats on|off        Turn sqlite3_stmt_scanstatus() metrics on or off",
  ".schema ?PATTERN?        Show the CREATE statements matching PATTERN",
  "     Options:",
  "         --indent            Try to pretty-print the schema",
................................................................................
  "     patchset FILE            Write a patchset into FILE",
  "   If ?NAME? is omitted, the first defined session is used.",
#endif
  ".sha3sum ...             Compute a SHA3 hash of database content",
  "    Options:",
  "      --schema              Also hash the sqlite_master table",
  "      --sha3-224            Use the sha3-224 algorithm",
  "      --sha3-256            Use the sha3-256 algorithm.  This is the default.",
  "      --sha3-384            Use the sha3-384 algorithm",
  "      --sha3-512            Use the sha3-512 algorithm",
  "    Any other argument is a LIKE pattern for tables to hash",
#ifndef SQLITE_NOHAVE_SYSTEM
  ".shell CMD ARGS...       Run CMD ARGS... in a system shell",
#endif
  ".show                    Show the current values for various settings",
................................................................................
#endif
  "    --plain                 Show SQL as it is input",
  "    --stmt                  Trace statement execution (SQLITE_TRACE_STMT)",
  "    --profile               Profile statements (SQLITE_TRACE_PROFILE)",
  "    --row                   Trace each row (SQLITE_TRACE_ROW)",
  "    --close                 Trace connection close (SQLITE_TRACE_CLOSE)",
#endif /* SQLITE_OMIT_TRACE */




  ".vfsinfo ?AUX?           Information about the top-level VFS",
  ".vfslist                 List all available VFSes",
  ".vfsname ?AUX?           Print the name of the VFS stack",
  ".width NUM1 NUM2 ...     Set column widths for \"column\" mode",
  "     Negative values right-justify",
};

................................................................................
  }
  *pnData = 0;
  nLine++;
  if( fgets(zLine, sizeof(zLine), in)==0 ) goto readHexDb_error;
  rc = sscanf(zLine, "| size %d pagesize %d", &n, &pgsz);
  if( rc!=2 ) goto readHexDb_error;
  if( n<0 ) goto readHexDb_error;


  a = sqlite3_malloc( n ? n : 1 );
  if( a==0 ){
    utf8_printf(stderr, "Out of memory!\n");
    goto readHexDb_error;
  }
  memset(a, 0, n);
  if( pgsz<512 || pgsz>65536 || (pgsz & (pgsz-1))!=0 ){
................................................................................
    sqlite3_int64 iVal = ((sqlite3_int64)a[0]<<24)
                       + ((sqlite3_int64)a[1]<<16)
                       + ((sqlite3_int64)a[2]<< 8)
                       + ((sqlite3_int64)a[3]<< 0);
    sqlite3_result_int64(context, iVal);
  }
}


















/*
** Scalar function "shell_escape_crnl" used by the .recover command.
** The argument passed to this function is the output of built-in
** function quote(). If the first character of the input is "'", 
** indicating that the value passed to quote() was a text value,
** then this function searches the input for "\n" and "\r" characters
................................................................................
                            shellModuleSchema, 0, 0);
    sqlite3_create_function(p->db, "shell_putsnl", 1, SQLITE_UTF8, p,
                            shellPutsFunc, 0, 0);
    sqlite3_create_function(p->db, "shell_escape_crnl", 1, SQLITE_UTF8, 0,
                            shellEscapeCrnl, 0, 0);
    sqlite3_create_function(p->db, "shell_int32", 2, SQLITE_UTF8, 0,
                            shellInt32, 0, 0);


#ifndef SQLITE_NOHAVE_SYSTEM
    sqlite3_create_function(p->db, "edit", 1, SQLITE_UTF8, 0,
                            editFunc, 0, 0);
    sqlite3_create_function(p->db, "edit", 2, SQLITE_UTF8, 0,
                            editFunc, 0, 0);
#endif
    if( p->openMode==SHELL_OPEN_ZIPFILE ){
................................................................................
    }
    *pRc = rc;
  }
}
#endif /* !defined SQLITE_OMIT_VIRTUALTABLE */

#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB)
/*********************************************************************************
** The ".archive" or ".ar" command.
*/
/*
** Structure representing a single ".ar" command.
*/
typedef struct ArCommand ArCommand;
struct ArCommand {
................................................................................
            }
            if( pOpt->bArg ){
              if( i<(n-1) ){
                zArg = &z[i+1];
                i = n;
              }else{
                if( iArg>=(nArg-1) ){
                  return arErrorMsg(pAr, "option requires an argument: %c",z[i]);

                }
                zArg = azArg[++iArg];
              }
            }
            if( arProcessSwitch(pAr, pOpt->eSwitch, zArg) ) return SQLITE_ERROR;
          }
        }else if( z[2]=='\0' ){
................................................................................
  return rc;
}

/*
** Implementation of ".ar" dot command.
*/
static int arDotCommand(
  ShellState *pState,             /* Current shell tool state */
  int fromCmdLine,                /* True if -A command-line option, not .ar cmd */
  char **azArg,                   /* Array of arguments passed to dot command */
  int nArg                        /* Number of entries in azArg[] */
){
  ArCommand cmd;
  int rc;
  memset(&cmd, 0, sizeof(cmd));
  cmd.fromCmdLine = fromCmdLine;
  rc = arParseCommand(azArg, nArg, &cmd);
  if( rc==SQLITE_OK ){
................................................................................
    close_db(cmd.db);
  }
  sqlite3_free(cmd.zSrcTable);

  return rc;
}
/* End of the ".archive" or ".ar" command logic
**********************************************************************************/
#endif /* !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) */

#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_ENABLE_DBPAGE_VTAB)
/*
** If (*pRc) is not SQLITE_OK when this function is called, it is a no-op.
** Otherwise, the SQL statement or statements in zSql are executed using
** database connection db and the error code written to *pRc before
................................................................................
  pTab = (RecoverTable*)shellMalloc(&rc, sizeof(RecoverTable));
  if( rc==SQLITE_OK ){
    int nSqlCol = 0;
    int bSqlIntkey = 0;
    sqlite3_stmt *pStmt = 0;
    
    rc = sqlite3_open("", &dbtmp);




    if( rc==SQLITE_OK ){
      rc = sqlite3_exec(dbtmp, "PRAGMA writable_schema = on", 0, 0, 0);
    }
    if( rc==SQLITE_OK ){
      rc = sqlite3_exec(dbtmp, zSql, 0, 0, 0);
      if( rc==SQLITE_ERROR ){
        rc = SQLITE_OK;
................................................................................
        );
        if( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pPkFinder) ){
          pTab->iPk = sqlite3_column_int(pPkFinder, 0);
          zPk = (const char*)sqlite3_column_text(pPkFinder, 1);
        }
      }

      pTab->zQuoted = shellMPrintf(&rc, "%Q", zName);
      pTab->azlCol = (char**)shellMalloc(&rc, sizeof(char*) * (nSqlCol+1));
      pTab->nCol = nSqlCol;

      if( bIntkey ){
        pTab->azlCol[0] = shellMPrintf(&rc, "%Q", zPk);
      }else{
        pTab->azlCol[0] = shellMPrintf(&rc, "");
      }
      i = 1;
      shellPreparePrintf(dbtmp, &rc, &pStmt, 
          "SELECT %Q || group_concat(name, ', ') "
          "  FILTER (WHERE cid!=%d) OVER (ORDER BY %s cid) "
          "FROM pragma_table_info(%Q)", 
          bIntkey ? ", " : "", pTab->iPk, 
          bIntkey ? "" : "(CASE WHEN pk=0 THEN 1000000 ELSE pk END), ",
          zName
      );
      while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
................................................................................
      zTab = shellMPrintf(pRc, "%s_%d", zLostAndFound, iTab++);
      sqlite3_bind_text(pTest, 1, zTab, -1, SQLITE_TRANSIENT);
    }
    shellFinalize(pRc, pTest);

    pTab = (RecoverTable*)shellMalloc(pRc, sizeof(RecoverTable));
    if( pTab ){
      pTab->zQuoted = shellMPrintf(pRc, "%Q", zTab);
      pTab->nCol = nCol;
      pTab->iPk = -2;
      if( nCol>0 ){
        pTab->azlCol = (char**)shellMalloc(pRc, sizeof(char*) * (nCol+1));
        if( pTab->azlCol ){
          pTab->azlCol[nCol] = shellMPrintf(pRc, "");
          for(i=nCol-1; i>=0; i--){
................................................................................
      zRecoveryDb = azArg[i];
    }else
    if( n<=15 && memcmp("-lost-and-found", z, n)==0 && i<(nArg-1) ){
      i++;
      zLostAndFound = azArg[i];
    }
    else{
      raw_printf(stderr, "unexpected option: %s\n", azArg[i]); 
      raw_printf(stderr, "options are:\n");
      raw_printf(stderr, "    --freelist-corrupt\n");
      raw_printf(stderr, "    --recovery-db DATABASE\n");
      raw_printf(stderr, "    --lost-and-found TABLE-NAME\n");
      return 1;
    }
  }

  shellExecPrintf(pState->db, &rc,
    /* Attach an in-memory database named 'recovery'. Create an indexed 
    ** cache of the sqlite_dbptr virtual table. */

    "ATTACH %Q AS recovery;"
    "DROP TABLE IF EXISTS recovery.dbptr;"
    "DROP TABLE IF EXISTS recovery.freelist;"
    "DROP TABLE IF EXISTS recovery.map;"
    "DROP TABLE IF EXISTS recovery.schema;"
    "CREATE TABLE recovery.freelist(pgno INTEGER PRIMARY KEY);", zRecoveryDb
  );
................................................................................
      "    UNION ALL"
      "  SELECT data, n-1, shell_int32(data, 2+n) "
      "      FROM freelist WHERE n>=0"
      ")"
      "REPLACE INTO recovery.freelist SELECT freepgno FROM freelist;"
    );
  }
















  shellExec(pState->db, &rc, 
    "CREATE TABLE recovery.dbptr("
    "      pgno, child, PRIMARY KEY(child, pgno)"
    ") WITHOUT ROWID;"
    "INSERT OR IGNORE INTO recovery.dbptr(pgno, child) "
    "    SELECT * FROM sqlite_dbptr"
................................................................................
    "      SELECT 0, i, (SELECT pgno FROM recovery.dbptr WHERE child=i)"
    "        UNION "
    "      SELECT i, p.parent, "
    "        (SELECT pgno FROM recovery.dbptr WHERE child=p.parent) FROM p"
    "    )"
    "    SELECT pgno FROM p WHERE (parent IS NULL OR pgno = orig)"
    ") "
    "FROM pages WHERE maxlen > 0 AND i NOT IN freelist;"
    "UPDATE recovery.map AS o SET intkey = ("
    "  SELECT substr(data, 1, 1)==X'0D' FROM sqlite_dbpage WHERE pgno=o.pgno"
    ");"

    /* Extract data from page 1 and any linked pages into table
    ** recovery.schema. With the same schema as an sqlite_master table.  */
    "CREATE TABLE recovery.schema(type, name, tbl_name, rootpage, sql);"
................................................................................
    "CREATE INDEX recovery.schema_rootpage ON schema(rootpage);"
  );

  /* Open a transaction, then print out all non-virtual, non-"sqlite_%" 
  ** CREATE TABLE statements that extracted from the existing schema.  */
  if( rc==SQLITE_OK ){
    sqlite3_stmt *pStmt = 0;





    raw_printf(pState->out, "BEGIN;\n");
    raw_printf(pState->out, "PRAGMA writable_schema = on;\n");
    shellPrepare(pState->db, &rc,
        "SELECT sql FROM recovery.schema "
        "WHERE type='table' AND sql LIKE 'create table%'", &pStmt
    );
    while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
................................................................................
  pLoop = 0;

  shellPrepare(pState->db, &rc,
      "SELECT pgno FROM recovery.map WHERE root=?", &pPages
  );
  shellPrepare(pState->db, &rc,
      "SELECT max(field), group_concat(shell_escape_crnl(quote(value)), ', ')"

      "FROM sqlite_dbdata WHERE pgno = ? AND field != ?"
      "GROUP BY cell", &pCells
  );

  /* Loop through each root page. */
  shellPrepare(pState->db, &rc, 
      "SELECT root, intkey, max(maxlen) FROM recovery.map" 
................................................................................
  while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pLoop) ){
    int iRoot = sqlite3_column_int(pLoop, 0);
    int bIntkey = sqlite3_column_int(pLoop, 1);
    int nCol = sqlite3_column_int(pLoop, 2);
    int bNoop = 0;
    RecoverTable *pTab;


    pTab = recoverFindTable(pState, &rc, iRoot, bIntkey, nCol, &bNoop);
    if( bNoop || rc ) continue;
    if( pTab==0 ){
      if( pOrphan==0 ){
        pOrphan = recoverOrphanTable(pState, &rc, zLostAndFound, nOrphan);
      }
      pTab = pOrphan;
      if( pTab==0 ) break;
    }

    if( 0==sqlite3_stricmp(pTab->zQuoted, "'sqlite_sequence'") ){
      raw_printf(pState->out, "DELETE FROM sqlite_sequence;\n");
    }
    sqlite3_bind_int(pPages, 1, iRoot);
    sqlite3_bind_int(pCells, 2, pTab->iPk);

    while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pPages) ){
      int iPgno = sqlite3_column_int(pPages, 0);
      sqlite3_bind_int(pCells, 1, iPgno);
      while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pCells) ){
        int nField = sqlite3_column_int(pCells, 0);

        const char *zVal = (const char*)sqlite3_column_text(pCells, 1);










        nField = nField+1;
        if( pTab==pOrphan ){
          raw_printf(pState->out, 
              "INSERT INTO %s VALUES(%d, %d, %d, %s%s%s);\n",
              pTab->zQuoted, iRoot, iPgno, nField, 
              bIntkey ? "" : "NULL, ", zVal, pTab->azlCol[nField]
          );
        }else{
          raw_printf(pState->out, "INSERT INTO %s(%s) VALUES( %s );\n", 
              pTab->zQuoted, pTab->azlCol[nField], zVal
          );
        }
      }
      shellReset(&rc, pCells);
    }
    shellReset(&rc, pPages);
    if( pTab!=pOrphan ) recoverFreeTable(pTab);
................................................................................
** Return 1 on error, 2 to exit, and 0 otherwise.
*/
static int do_meta_command(char *zLine, ShellState *p){
  int h = 1;
  int nArg = 0;
  int n, c;
  int rc = 0;
  char *azArg[50];

#ifndef SQLITE_OMIT_VIRTUALTABLE
  if( p->expert.pExpert ){
    expertFinish(p, 1, 0);
  }
#endif

  /* Parse the input line into tokens.
  */
  while( zLine[h] && nArg<ArraySize(azArg) ){
    while( IsSpace(zLine[h]) ){ h++; }
    if( zLine[h]==0 ) break;
    if( zLine[h]=='\'' || zLine[h]=='"' ){
      int delim = zLine[h++];
      azArg[nArg++] = &zLine[h];
      while( zLine[h] && zLine[h]!=delim ){
        if( zLine[h]=='\\' && delim=='"' && zLine[h+1]!=0 ) h++;
................................................................................
    }else{
      azArg[nArg++] = &zLine[h];
      while( zLine[h] && !IsSpace(zLine[h]) ){ h++; }
      if( zLine[h] ) zLine[h++] = 0;
      resolve_backslashes(azArg[nArg-1]);
    }
  }


  /* Process the input line.
  */
  if( nArg==0 ) return 0; /* no tokens, no error */
  n = strlen30(azArg[0]);
  c = azArg[0][0];
  clearTempFile(p);
................................................................................
  if( c=='d' && n>=3 && strncmp(azArg[0], "dbconfig", n)==0 ){
    static const struct DbConfigChoices {
      const char *zName;
      int op;
    } aDbConfig[] = {
        { "enable_fkey",        SQLITE_DBCONFIG_ENABLE_FKEY           },
        { "enable_trigger",     SQLITE_DBCONFIG_ENABLE_TRIGGER        },

        { "fts3_tokenizer",     SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
        { "load_extension",     SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION },
        { "no_ckpt_on_close",   SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE      },
        { "enable_qpsg",        SQLITE_DBCONFIG_ENABLE_QPSG           },
        { "trigger_eqp",        SQLITE_DBCONFIG_TRIGGER_EQP           },
        { "reset_database",     SQLITE_DBCONFIG_RESET_DATABASE        },
        { "defensive",          SQLITE_DBCONFIG_DEFENSIVE             },
................................................................................
    }else{
      raw_printf(p->out, "ANALYZE sqlite_master;\n");
      sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master'",
                   callback, &data, &zErrMsg);
      data.cMode = data.mode = MODE_Insert;
      data.zDestTable = "sqlite_stat1";
      shell_exec(&data, "SELECT * FROM sqlite_stat1", &zErrMsg);
      data.zDestTable = "sqlite_stat3";
      shell_exec(&data, "SELECT * FROM sqlite_stat3", &zErrMsg);
      data.zDestTable = "sqlite_stat4";
      shell_exec(&data, "SELECT * FROM sqlite_stat4", &zErrMsg);
      raw_printf(p->out, "ANALYZE sqlite_master;\n");
    }
  }else

  if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
................................................................................
        appendText(&sSelect, " AS snum, ", 0);
        appendText(&sSelect, zDb, '\'');
        appendText(&sSelect, " AS sname FROM ", 0);
        appendText(&sSelect, zDb, quoteChar(zDb));
        appendText(&sSelect, ".sqlite_master", 0);
      }
      sqlite3_finalize(pStmt);
#ifdef SQLITE_INTROSPECTION_PRAGMAS
      if( zName ){
        appendText(&sSelect,
           " UNION ALL SELECT shell_module_schema(name),"
           " 'table', name, name, name, 9e+99, 'main' FROM pragma_module_list", 0);

      }
#endif
      appendText(&sSelect, ") WHERE ", 0);
      if( zName ){
        char *zQarg = sqlite3_mprintf("%Q", zName);
        int bGlob = strchr(zName, '*') != 0 || strchr(zName, '?') != 0 ||
                    strchr(zName, '[') != 0;
................................................................................
    */
    if( strcmp(azCmd[0],"changeset")==0 || strcmp(azCmd[0],"patchset")==0 ){
      FILE *out = 0;
      if( nCmd!=2 ) goto session_syntax_error;
      if( pSession->p==0 ) goto session_not_open;
      out = fopen(azCmd[1], "wb");
      if( out==0 ){
        utf8_printf(stderr, "ERROR: cannot open \"%s\" for writing\n", azCmd[1]);

      }else{
        int szChng;
        void *pChng;
        if( azCmd[0][0]=='c' ){
          rc = sqlite3session_changeset(pSession->p, &szChng, &pChng);
        }else{
          rc = sqlite3session_patchset(pSession->p, &szChng, &pChng);
................................................................................
        }else
        if( strcmp(z,"debug")==0 ){
          bDebug = 1;
        }else
        {
          utf8_printf(stderr, "Unknown option \"%s\" on \"%s\"\n",
                      azArg[i], azArg[0]);
          raw_printf(stderr, "Should be one of: --schema"
                             " --sha3-224 --sha3-256 --sha3-384 --sha3-512\n");
          rc = 1;
          goto meta_command_exit;
        }
      }else if( zLike ){
        raw_printf(stderr, "Usage: .sha3sum ?OPTIONS? ?LIKE-PATTERN?\n");
        rc = 1;
        goto meta_command_exit;
................................................................................
                           " ORDER BY name;", 0);
      }else if( strcmp(zTab, "sqlite_sequence")==0 ){
        appendText(&sQuery,"SELECT name,seq FROM sqlite_sequence"
                           " ORDER BY name;", 0);
      }else if( strcmp(zTab, "sqlite_stat1")==0 ){
        appendText(&sQuery,"SELECT tbl,idx,stat FROM sqlite_stat1"
                           " ORDER BY tbl,idx;", 0);
      }else if( strcmp(zTab, "sqlite_stat3")==0
             || strcmp(zTab, "sqlite_stat4")==0 ){
        appendText(&sQuery, "SELECT * FROM ", 0);
        appendText(&sQuery, zTab, 0);
        appendText(&sQuery, " ORDER BY tbl, idx, rowid;\n", 0);
      }
      appendText(&sSql, zSep, 0);
      appendText(&sSql, sQuery.z, '\'');
      sQuery.n = 0;
................................................................................
#ifndef SQLITE_UNTESTABLE
  if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 ){
    static const struct {
       const char *zCtrlName;   /* Name of a test-control option */
       int ctrlCode;            /* Integer code for that option */
       const char *zUsage;      /* Usage notes */
    } aCtrl[] = {
      { "always",             SQLITE_TESTCTRL_ALWAYS,        "BOOLEAN"            },
      { "assert",             SQLITE_TESTCTRL_ASSERT,        "BOOLEAN"            },
    /*{ "benign_malloc_hooks",SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS, ""          },*/
    /*{ "bitvec_test",        SQLITE_TESTCTRL_BITVEC_TEST,   ""                },*/
      { "byteorder",          SQLITE_TESTCTRL_BYTEORDER,     ""                   },

    /*{ "fault_install",      SQLITE_TESTCTRL_FAULT_INSTALL, ""                }, */
      { "imposter",           SQLITE_TESTCTRL_IMPOSTER,   "SCHEMA ON/OFF ROOTPAGE"},

      { "internal_functions", SQLITE_TESTCTRL_INTERNAL_FUNCTIONS, "BOOLEAN"       },
      { "localtime_fault",    SQLITE_TESTCTRL_LOCALTIME_FAULT,"BOOLEAN"           },
      { "never_corrupt",      SQLITE_TESTCTRL_NEVER_CORRUPT, "BOOLEAN"            },
      { "optimizations",      SQLITE_TESTCTRL_OPTIMIZATIONS, "DISABLE-MASK"       },
#ifdef YYCOVERAGE
      { "parser_coverage",    SQLITE_TESTCTRL_PARSER_COVERAGE, ""                 },
#endif
      { "pending_byte",       SQLITE_TESTCTRL_PENDING_BYTE,  "OFFSET  "           },
      { "prng_reset",         SQLITE_TESTCTRL_PRNG_RESET,    ""                   },
      { "prng_restore",       SQLITE_TESTCTRL_PRNG_RESTORE,  ""                   },
      { "prng_save",          SQLITE_TESTCTRL_PRNG_SAVE,     ""                   },

      { "reserve",            SQLITE_TESTCTRL_RESERVE,       "BYTES-OF-RESERVE"   },
    };
    int testctrl = -1;
    int iCtrl = -1;
    int rc2 = 0;    /* 0: usage.  1: %d  2: %x  3: no-output */
    int isOk = 0;
    int i, n2;
    const char *zCmd = 0;
................................................................................
        case SQLITE_TESTCTRL_PENDING_BYTE:
          if( nArg==3 ){
            unsigned int opt = (unsigned int)integerValue(azArg[2]);
            rc2 = sqlite3_test_control(testctrl, opt);
            isOk = 3;
          }
          break;






















        /* sqlite3_test_control(int, int) */
        case SQLITE_TESTCTRL_ASSERT:
        case SQLITE_TESTCTRL_ALWAYS:
        case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS:
          if( nArg==3 ){
            int opt = booleanValue(azArg[2]);
................................................................................
            sqlite3_test_control(testctrl, p->out);
            isOk = 3;
          }
#endif
      }
    }
    if( isOk==0 && iCtrl>=0 ){
      utf8_printf(p->out, "Usage: .testctrl %s %s\n", zCmd, aCtrl[iCtrl].zUsage);
      rc = 1;
    }else if( isOk==1 ){
      raw_printf(p->out, "%d\n", rc2);
    }else if( isOk==2 ){
      raw_printf(p->out, "0x%08x\n", rc2);
    }
  }else
................................................................................
      sqlite3_trace_v2(p->db, 0, 0, 0);
    }else{
      if( mType==0 ) mType = SQLITE_TRACE_STMT;
      sqlite3_trace_v2(p->db, mType, sql_trace_callback, p);
    }
  }else
#endif /* !defined(SQLITE_OMIT_TRACE) */


























#if SQLITE_USER_AUTHENTICATION
  if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
    if( nArg<2 ){
      raw_printf(stderr, "Usage: .user SUBCOMMAND ...\n");
      rc = 1;
      goto meta_command_exit;
................................................................................
    open_db(p, 0);
    if( strcmp(azArg[1],"login")==0 ){
      if( nArg!=4 ){
        raw_printf(stderr, "Usage: .user login USER PASSWORD\n");
        rc = 1;
        goto meta_command_exit;
      }
      rc = sqlite3_user_authenticate(p->db, azArg[2], azArg[3], strlen30(azArg[3]));

      if( rc ){
        utf8_printf(stderr, "Authentication failed for user %s\n", azArg[2]);
        rc = 1;
      }
    }else if( strcmp(azArg[1],"add")==0 ){
      if( nArg!=5 ){
        raw_printf(stderr, "Usage: .user add USER PASSWORD ISADMIN\n");

  f = fopen(zTempFile, bBin ? "wb" : "w");
  if( f==0 ){
    sqlite3_result_error(context, "edit() cannot open temp file", -1);
    goto edit_func_end;
  }
  sz = sqlite3_value_bytes(argv[0]);
  if( bBin ){
    x = fwrite(sqlite3_value_blob(argv[0]), 1, (size_t)sz, f);
  }else{
    const char *z = (const char*)sqlite3_value_text(argv[0]);
    /* Remember whether or not the value originally contained \r\n */
    if( z && strstr(z,"\r\n")!=0 ) hasCRNL = 1;
    x = fwrite(sqlite3_value_text(argv[0]), 1, (size_t)sz, f);
  }
  fclose(f);
  f = 0;
  if( x!=sz ){
    sqlite3_result_error(context, "edit() could not write the whole file", -1);
    goto edit_func_end;
  }
................................................................................
    sqlite3_result_error(context,
      "edit() cannot reopen temp file after edit", -1);
    goto edit_func_end;
  }
  fseek(f, 0, SEEK_END);
  sz = ftell(f);
  rewind(f);
  p = sqlite3_malloc64( sz+1 );
  if( p==0 ){
    sqlite3_result_error_nomem(context);
    goto edit_func_end;
  }
  x = fread(p, 1, (size_t)sz, f);
  fclose(f);
  f = 0;
  if( x!=sz ){
    sqlite3_result_error(context, "could not read back the whole file", -1);
    goto edit_func_end;
  }
  if( bBin ){
................................................................................
static void eqp_render_level(ShellState *p, int iEqpId){
  EQPGraphRow *pRow, *pNext;
  int n = strlen30(p->sGraph.zPrefix);
  char *z;
  for(pRow = eqp_next_row(p, iEqpId, 0); pRow; pRow = pNext){
    pNext = eqp_next_row(p, iEqpId, pRow);
    z = pRow->zText;
    utf8_printf(p->out, "%s%s%s\n", p->sGraph.zPrefix,
                pNext ? "|--" : "`--", z);
    if( n<(int)sizeof(p->sGraph.zPrefix)-7 ){
      memcpy(&p->sGraph.zPrefix[n], pNext ? "|  " : "   ", 4);
      eqp_render_level(p, pRow->iEqpId);
      p->sGraph.zPrefix[n] = 0;
    }
  }
}
................................................................................
          j--;
        }
        z[j++] = c;
      }
      while( j>0 && IsSpace(z[j-1]) ){ j--; }
      z[j] = 0;
      if( strlen30(z)>=79 ){
        for(i=j=0; (c = z[i])!=0; i++){ /* Copy from z[i] back to z[j] */
          if( c==cEnd ){
            cEnd = 0;
          }else if( c=='"' || c=='\'' || c=='`' ){
            cEnd = c;
          }else if( c=='[' ){
            cEnd = ']';
          }else if( c=='-' && z[i+1]=='-' ){
................................................................................
    raw_printf(pArg->out, "Fullscan Steps:                      %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset);
    raw_printf(pArg->out, "Sort Operations:                     %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX,bReset);
    raw_printf(pArg->out, "Autoindex Inserts:                   %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset);
    raw_printf(pArg->out, "Virtual Machine Steps:               %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_REPREPARE,bReset);
    raw_printf(pArg->out, "Reprepare operations:                %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_RUN, bReset);
    raw_printf(pArg->out, "Number of times run:                 %d\n", iCur);
    iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_MEMUSED, bReset);
    raw_printf(pArg->out, "Memory used by prepared stmt:        %d\n", iCur);
  }

................................................................................
** start of the description of what that command does.
*/
static const char *(azHelp[]) = {
#if defined(SQLITE_HAVE_ZLIB) && !defined(SQLITE_OMIT_VIRTUALTABLE)
  ".archive ...             Manage SQL archives",
  "   Each command must have exactly one of the following options:",
  "     -c, --create               Create a new archive",
  "     -u, --update               Add or update files with changed mtime",
  "     -i, --insert               Like -u but always add even if unchanged",
  "     -t, --list                 List contents of archive",
  "     -x, --extract              Extract files from archive",
  "   Optional arguments:",
  "     -v, --verbose              Print each filename as it is processed",
  "     -f FILE, --file FILE       Use archive FILE (default is current db)",
  "     -a FILE, --append FILE     Open FILE using the apndvfs VFS",
  "     -C DIR, --directory DIR    Read/extract files from directory DIR",
  "     -n, --dryrun               Show the SQL that would have occurred",
  "   Examples:",
  "     .ar -cf ARCHIVE foo bar  # Create ARCHIVE from files foo and bar",
  "     .ar -tf ARCHIVE          # List members of ARCHIVE",
  "     .ar -xvf ARCHIVE         # Verbosely extract files from ARCHIVE",
  "   See also:",
  "      http://sqlite.org/cli.html#sqlar_archive_support",
#endif
#ifndef SQLITE_OMIT_AUTHORIZATION
  ".auth ON|OFF             Show authorizer callbacks",
#endif
  ".backup ?DB? FILE        Backup DB (default \"main\") to FILE",
  "       --append            Use the appendvfs",
  "       --async             Write to FILE without journal and fsync()",
  ".bail on|off             Stop after hitting an error.  Default OFF",
  ".binary on|off           Turn binary output on or off.  Default OFF",
  ".cd DIRECTORY            Change the working directory to DIRECTORY",
  ".changes on|off          Show number of rows changed by SQL",
  ".check GLOB              Fail if output since .testcase does not match",
  ".clone NEWDB             Clone data into NEWDB from the existing database",
  ".databases               List names and files of attached databases",
................................................................................
  "     --newlines             Allow unescaped newline characters in output",
  "   TABLE is a LIKE pattern for the tables to dump",
  ".echo on|off             Turn command echo on or off",
  ".eqp on|off|full|...     Enable or disable automatic EXPLAIN QUERY PLAN",
  "   Other Modes:",
#ifdef SQLITE_DEBUG
  "      test                  Show raw EXPLAIN QUERY PLAN output",
  "      trace                 Like \"full\" but enable \"PRAGMA vdbe_trace\"",
#endif
  "      trigger               Like \"full\" but also show trigger bytecode",
  ".excel                   Display the output of next command in spreadsheet",
  ".exit ?CODE?             Exit this program with return-code CODE",
  ".expert                  EXPERIMENTAL. Suggest indexes for queries",
/* Because explain mode comes on automatically now, the ".explain" mode
** is removed from the help screen. It is still supported for legacy, however */
/*".explain ?on|off|auto?   Turn EXPLAIN output mode on or off",*/
  ".filectrl CMD ...        Run various sqlite3_file_control() operations",
  "                           Run \".filectrl\" with no arguments for details",
  ".fullschema ?--indent?   Show schema and the content of sqlite_stat tables",
  ".headers on|off          Turn display of headers on or off",
  ".help ?-all? ?PATTERN?   Show help text for PATTERN",
  ".import FILE TABLE       Import data from FILE into TABLE",
#ifndef SQLITE_OMIT_TEST_CONTROL
................................................................................
  "       -e    Invoke system text editor",
  "       -x    Open in a spreadsheet",
  ".open ?OPTIONS? ?FILE?   Close existing database and reopen FILE",
  "     Options:",
  "        --append        Use appendvfs to append database to the end of FILE",
#ifdef SQLITE_ENABLE_DESERIALIZE
  "        --deserialize   Load into memory useing sqlite3_deserialize()",
  "        --hexdb         Load the output of \"dbtotxt\" as an in-memory db",
  "        --maxsize N     Maximum size for --hexdb or --deserialized database",
#endif
  "        --new           Initialize FILE to an empty database",
  "        --readonly      Open FILE readonly",
  "        --zip           FILE is a ZIP archive",
  ".output ?FILE?           Send output to FILE or stdout if FILE is omitted",
  "     If FILE begins with '|' then open it as a pipe.",
  ".parameter CMD ...       Manage SQL parameter bindings",
  "   clear                   Erase all bindings",
  "   init                    Initialize the TEMP table that holds bindings",
  "   list                    List the current parameter bindings",
  "   set PARAMETER VALUE     Given SQL parameter PARAMETER a value of VALUE",
  "                           PARAMETER should start with one of: $ : @ ?",
  "   unset PARAMETER         Remove PARAMETER from the binding table",
  ".print STRING...         Print literal STRING",
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
  ".progress N              Invoke progress handler after every N opcodes",
  "   --limit N                 Interrupt after N progress callbacks",
  "   --once                    Do no more than one progress interrupt",
  "   --quiet|-q                No output except at interrupts",
................................................................................
  "   --reset                   Reset the count for each input and interrupt",
#endif
  ".prompt MAIN CONTINUE    Replace the standard prompts",
  ".quit                    Exit this program",
  ".read FILE               Read input from FILE",
#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_ENABLE_DBPAGE_VTAB)
  ".recover                 Recover as much data as possible from corrupt db.",
  "   --freelist-corrupt       Assume the freelist is corrupt",
  "   --recovery-db NAME       Store recovery metadata in database file NAME",
  "   --lost-and-found TABLE   Alternative name for the lost-and-found table",
#endif
  ".restore ?DB? FILE       Restore content of DB (default \"main\") from FILE",
  ".save FILE               Write in-memory database into FILE",
  ".scanstats on|off        Turn sqlite3_stmt_scanstatus() metrics on or off",
  ".schema ?PATTERN?        Show the CREATE statements matching PATTERN",
  "     Options:",
  "         --indent            Try to pretty-print the schema",
................................................................................
  "     patchset FILE            Write a patchset into FILE",
  "   If ?NAME? is omitted, the first defined session is used.",
#endif
  ".sha3sum ...             Compute a SHA3 hash of database content",
  "    Options:",
  "      --schema              Also hash the sqlite_master table",
  "      --sha3-224            Use the sha3-224 algorithm",
  "      --sha3-256            Use the sha3-256 algorithm (default)",
  "      --sha3-384            Use the sha3-384 algorithm",
  "      --sha3-512            Use the sha3-512 algorithm",
  "    Any other argument is a LIKE pattern for tables to hash",
#ifndef SQLITE_NOHAVE_SYSTEM
  ".shell CMD ARGS...       Run CMD ARGS... in a system shell",
#endif
  ".show                    Show the current values for various settings",
................................................................................
#endif
  "    --plain                 Show SQL as it is input",
  "    --stmt                  Trace statement execution (SQLITE_TRACE_STMT)",
  "    --profile               Profile statements (SQLITE_TRACE_PROFILE)",
  "    --row                   Trace each row (SQLITE_TRACE_ROW)",
  "    --close                 Trace connection close (SQLITE_TRACE_CLOSE)",
#endif /* SQLITE_OMIT_TRACE */
#ifdef SQLITE_DEBUG
  ".unmodule NAME ...       Unregister virtual table modules",
  "    --allexcept             Unregister everything except those named",
#endif
  ".vfsinfo ?AUX?           Information about the top-level VFS",
  ".vfslist                 List all available VFSes",
  ".vfsname ?AUX?           Print the name of the VFS stack",
  ".width NUM1 NUM2 ...     Set column widths for \"column\" mode",
  "     Negative values right-justify",
};

................................................................................
  }
  *pnData = 0;
  nLine++;
  if( fgets(zLine, sizeof(zLine), in)==0 ) goto readHexDb_error;
  rc = sscanf(zLine, "| size %d pagesize %d", &n, &pgsz);
  if( rc!=2 ) goto readHexDb_error;
  if( n<0 ) goto readHexDb_error;
  if( pgsz<512 || pgsz>65536 || (pgsz&(pgsz-1))!=0 ) goto readHexDb_error;
  n = (n+pgsz-1)&~(pgsz-1);  /* Round n up to the next multiple of pgsz */
  a = sqlite3_malloc( n ? n : 1 );
  if( a==0 ){
    utf8_printf(stderr, "Out of memory!\n");
    goto readHexDb_error;
  }
  memset(a, 0, n);
  if( pgsz<512 || pgsz>65536 || (pgsz & (pgsz-1))!=0 ){
................................................................................
    sqlite3_int64 iVal = ((sqlite3_int64)a[0]<<24)
                       + ((sqlite3_int64)a[1]<<16)
                       + ((sqlite3_int64)a[2]<< 8)
                       + ((sqlite3_int64)a[3]<< 0);
    sqlite3_result_int64(context, iVal);
  }
}

/*
** Scalar function "shell_idquote(X)" returns string X quoted as an identifier,
** using "..." with internal double-quote characters doubled.
*/
static void shellIdQuote(
  sqlite3_context *context, 
  int argc, 
  sqlite3_value **argv
){
  const char *zName = (const char*)sqlite3_value_text(argv[0]);
  UNUSED_PARAMETER(argc);
  if( zName ){
    char *z = sqlite3_mprintf("\"%w\"", zName);
    sqlite3_result_text(context, z, -1, sqlite3_free);
  }
}

/*
** Scalar function "shell_escape_crnl" used by the .recover command.
** The argument passed to this function is the output of built-in
** function quote(). If the first character of the input is "'", 
** indicating that the value passed to quote() was a text value,
** then this function searches the input for "\n" and "\r" characters
................................................................................
                            shellModuleSchema, 0, 0);
    sqlite3_create_function(p->db, "shell_putsnl", 1, SQLITE_UTF8, p,
                            shellPutsFunc, 0, 0);
    sqlite3_create_function(p->db, "shell_escape_crnl", 1, SQLITE_UTF8, 0,
                            shellEscapeCrnl, 0, 0);
    sqlite3_create_function(p->db, "shell_int32", 2, SQLITE_UTF8, 0,
                            shellInt32, 0, 0);
    sqlite3_create_function(p->db, "shell_idquote", 1, SQLITE_UTF8, 0,
                            shellIdQuote, 0, 0);
#ifndef SQLITE_NOHAVE_SYSTEM
    sqlite3_create_function(p->db, "edit", 1, SQLITE_UTF8, 0,
                            editFunc, 0, 0);
    sqlite3_create_function(p->db, "edit", 2, SQLITE_UTF8, 0,
                            editFunc, 0, 0);
#endif
    if( p->openMode==SHELL_OPEN_ZIPFILE ){
................................................................................
    }
    *pRc = rc;
  }
}
#endif /* !defined SQLITE_OMIT_VIRTUALTABLE */

#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB)
/******************************************************************************
** The ".archive" or ".ar" command.
*/
/*
** Structure representing a single ".ar" command.
*/
typedef struct ArCommand ArCommand;
struct ArCommand {
................................................................................
            }
            if( pOpt->bArg ){
              if( i<(n-1) ){
                zArg = &z[i+1];
                i = n;
              }else{
                if( iArg>=(nArg-1) ){
                  return arErrorMsg(pAr, "option requires an argument: %c",
                                    z[i]);
                }
                zArg = azArg[++iArg];
              }
            }
            if( arProcessSwitch(pAr, pOpt->eSwitch, zArg) ) return SQLITE_ERROR;
          }
        }else if( z[2]=='\0' ){
................................................................................
  return rc;
}

/*
** Implementation of ".ar" dot command.
*/
static int arDotCommand(
  ShellState *pState,          /* Current shell tool state */
  int fromCmdLine,             /* True if -A command-line option, not .ar cmd */
  char **azArg,                /* Array of arguments passed to dot command */
  int nArg                     /* Number of entries in azArg[] */
){
  ArCommand cmd;
  int rc;
  memset(&cmd, 0, sizeof(cmd));
  cmd.fromCmdLine = fromCmdLine;
  rc = arParseCommand(azArg, nArg, &cmd);
  if( rc==SQLITE_OK ){
................................................................................
    close_db(cmd.db);
  }
  sqlite3_free(cmd.zSrcTable);

  return rc;
}
/* End of the ".archive" or ".ar" command logic
*******************************************************************************/
#endif /* !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_HAVE_ZLIB) */

#if !defined(SQLITE_OMIT_VIRTUALTABLE) && defined(SQLITE_ENABLE_DBPAGE_VTAB)
/*
** If (*pRc) is not SQLITE_OK when this function is called, it is a no-op.
** Otherwise, the SQL statement or statements in zSql are executed using
** database connection db and the error code written to *pRc before
................................................................................
  pTab = (RecoverTable*)shellMalloc(&rc, sizeof(RecoverTable));
  if( rc==SQLITE_OK ){
    int nSqlCol = 0;
    int bSqlIntkey = 0;
    sqlite3_stmt *pStmt = 0;
    
    rc = sqlite3_open("", &dbtmp);
    if( rc==SQLITE_OK ){
      sqlite3_create_function(dbtmp, "shell_idquote", 1, SQLITE_UTF8, 0,
                              shellIdQuote, 0, 0);
    }
    if( rc==SQLITE_OK ){
      rc = sqlite3_exec(dbtmp, "PRAGMA writable_schema = on", 0, 0, 0);
    }
    if( rc==SQLITE_OK ){
      rc = sqlite3_exec(dbtmp, zSql, 0, 0, 0);
      if( rc==SQLITE_ERROR ){
        rc = SQLITE_OK;
................................................................................
        );
        if( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pPkFinder) ){
          pTab->iPk = sqlite3_column_int(pPkFinder, 0);
          zPk = (const char*)sqlite3_column_text(pPkFinder, 1);
        }
      }

      pTab->zQuoted = shellMPrintf(&rc, "\"%w\"", zName);
      pTab->azlCol = (char**)shellMalloc(&rc, sizeof(char*) * (nSqlCol+1));
      pTab->nCol = nSqlCol;

      if( bIntkey ){
        pTab->azlCol[0] = shellMPrintf(&rc, "\"%w\"", zPk);
      }else{
        pTab->azlCol[0] = shellMPrintf(&rc, "");
      }
      i = 1;
      shellPreparePrintf(dbtmp, &rc, &pStmt, 
          "SELECT %Q || group_concat(shell_idquote(name), ', ') "
          "  FILTER (WHERE cid!=%d) OVER (ORDER BY %s cid) "
          "FROM pragma_table_info(%Q)", 
          bIntkey ? ", " : "", pTab->iPk, 
          bIntkey ? "" : "(CASE WHEN pk=0 THEN 1000000 ELSE pk END), ",
          zName
      );
      while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
................................................................................
      zTab = shellMPrintf(pRc, "%s_%d", zLostAndFound, iTab++);
      sqlite3_bind_text(pTest, 1, zTab, -1, SQLITE_TRANSIENT);
    }
    shellFinalize(pRc, pTest);

    pTab = (RecoverTable*)shellMalloc(pRc, sizeof(RecoverTable));
    if( pTab ){
      pTab->zQuoted = shellMPrintf(pRc, "\"%w\"", zTab);
      pTab->nCol = nCol;
      pTab->iPk = -2;
      if( nCol>0 ){
        pTab->azlCol = (char**)shellMalloc(pRc, sizeof(char*) * (nCol+1));
        if( pTab->azlCol ){
          pTab->azlCol[nCol] = shellMPrintf(pRc, "");
          for(i=nCol-1; i>=0; i--){
................................................................................
      zRecoveryDb = azArg[i];
    }else
    if( n<=15 && memcmp("-lost-and-found", z, n)==0 && i<(nArg-1) ){
      i++;
      zLostAndFound = azArg[i];
    }
    else{
      utf8_printf(stderr, "unexpected option: %s\n", azArg[i]); 
      showHelp(pState->out, azArg[0]);



      return 1;
    }
  }

  shellExecPrintf(pState->db, &rc,
    /* Attach an in-memory database named 'recovery'. Create an indexed 
    ** cache of the sqlite_dbptr virtual table. */
    "PRAGMA writable_schema = on;"
    "ATTACH %Q AS recovery;"
    "DROP TABLE IF EXISTS recovery.dbptr;"
    "DROP TABLE IF EXISTS recovery.freelist;"
    "DROP TABLE IF EXISTS recovery.map;"
    "DROP TABLE IF EXISTS recovery.schema;"
    "CREATE TABLE recovery.freelist(pgno INTEGER PRIMARY KEY);", zRecoveryDb
  );
................................................................................
      "    UNION ALL"
      "  SELECT data, n-1, shell_int32(data, 2+n) "
      "      FROM freelist WHERE n>=0"
      ")"
      "REPLACE INTO recovery.freelist SELECT freepgno FROM freelist;"
    );
  }

  /* If this is an auto-vacuum database, add all pointer-map pages to
  ** the freelist table. Do this regardless of whether or not 
  ** --freelist-corrupt was specified.  */
  shellExec(pState->db, &rc, 
    "WITH ptrmap(pgno) AS ("
    "  SELECT 2 WHERE shell_int32("
    "    (SELECT data FROM sqlite_dbpage WHERE pgno=1), 13"
    "  )"
    "    UNION ALL "
    "  SELECT pgno+1+(SELECT page_size FROM pragma_page_size)/5 AS pp "
    "  FROM ptrmap WHERE pp<=(SELECT page_count FROM pragma_page_count)"
    ")"
    "REPLACE INTO recovery.freelist SELECT pgno FROM ptrmap"
  );

  shellExec(pState->db, &rc, 
    "CREATE TABLE recovery.dbptr("
    "      pgno, child, PRIMARY KEY(child, pgno)"
    ") WITHOUT ROWID;"
    "INSERT OR IGNORE INTO recovery.dbptr(pgno, child) "
    "    SELECT * FROM sqlite_dbptr"
................................................................................
    "      SELECT 0, i, (SELECT pgno FROM recovery.dbptr WHERE child=i)"
    "        UNION "
    "      SELECT i, p.parent, "
    "        (SELECT pgno FROM recovery.dbptr WHERE child=p.parent) FROM p"
    "    )"
    "    SELECT pgno FROM p WHERE (parent IS NULL OR pgno = orig)"
    ") "
    "FROM pages WHERE maxlen IS NOT NULL AND i NOT IN freelist;"
    "UPDATE recovery.map AS o SET intkey = ("
    "  SELECT substr(data, 1, 1)==X'0D' FROM sqlite_dbpage WHERE pgno=o.pgno"
    ");"

    /* Extract data from page 1 and any linked pages into table
    ** recovery.schema. With the same schema as an sqlite_master table.  */
    "CREATE TABLE recovery.schema(type, name, tbl_name, rootpage, sql);"
................................................................................
    "CREATE INDEX recovery.schema_rootpage ON schema(rootpage);"
  );

  /* Open a transaction, then print out all non-virtual, non-"sqlite_%" 
  ** CREATE TABLE statements that extracted from the existing schema.  */
  if( rc==SQLITE_OK ){
    sqlite3_stmt *pStmt = 0;
    /* ".recover" might output content in an order which causes immediate
    ** foreign key constraints to be violated. So disable foreign-key
    ** constraint enforcement to prevent problems when running the output
    ** script. */
    raw_printf(pState->out, "PRAGMA foreign_keys=OFF;\n");
    raw_printf(pState->out, "BEGIN;\n");
    raw_printf(pState->out, "PRAGMA writable_schema = on;\n");
    shellPrepare(pState->db, &rc,
        "SELECT sql FROM recovery.schema "
        "WHERE type='table' AND sql LIKE 'create table%'", &pStmt
    );
    while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pStmt) ){
................................................................................
  pLoop = 0;

  shellPrepare(pState->db, &rc,
      "SELECT pgno FROM recovery.map WHERE root=?", &pPages
  );
  shellPrepare(pState->db, &rc,
      "SELECT max(field), group_concat(shell_escape_crnl(quote(value)), ', ')"
      ", min(field) "
      "FROM sqlite_dbdata WHERE pgno = ? AND field != ?"
      "GROUP BY cell", &pCells
  );

  /* Loop through each root page. */
  shellPrepare(pState->db, &rc, 
      "SELECT root, intkey, max(maxlen) FROM recovery.map" 
................................................................................
  while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pLoop) ){
    int iRoot = sqlite3_column_int(pLoop, 0);
    int bIntkey = sqlite3_column_int(pLoop, 1);
    int nCol = sqlite3_column_int(pLoop, 2);
    int bNoop = 0;
    RecoverTable *pTab;

    assert( bIntkey==0 || bIntkey==1 );
    pTab = recoverFindTable(pState, &rc, iRoot, bIntkey, nCol, &bNoop);
    if( bNoop || rc ) continue;
    if( pTab==0 ){
      if( pOrphan==0 ){
        pOrphan = recoverOrphanTable(pState, &rc, zLostAndFound, nOrphan);
      }
      pTab = pOrphan;
      if( pTab==0 ) break;
    }

    if( 0==sqlite3_stricmp(pTab->zQuoted, "\"sqlite_sequence\"") ){
      raw_printf(pState->out, "DELETE FROM sqlite_sequence;\n");
    }
    sqlite3_bind_int(pPages, 1, iRoot);
    sqlite3_bind_int(pCells, 2, pTab->iPk);

    while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pPages) ){
      int iPgno = sqlite3_column_int(pPages, 0);
      sqlite3_bind_int(pCells, 1, iPgno);
      while( rc==SQLITE_OK && SQLITE_ROW==sqlite3_step(pCells) ){
        int nField = sqlite3_column_int(pCells, 0);
        int iMin = sqlite3_column_int(pCells, 2);
        const char *zVal = (const char*)sqlite3_column_text(pCells, 1);

        RecoverTable *pTab2 = pTab;
        if( pTab!=pOrphan && (iMin<0)!=bIntkey ){
          if( pOrphan==0 ){
            pOrphan = recoverOrphanTable(pState, &rc, zLostAndFound, nOrphan);
          }
          pTab2 = pOrphan;
          if( pTab2==0 ) break;
        }

        nField = nField+1;
        if( pTab2==pOrphan ){
          raw_printf(pState->out, 
              "INSERT INTO %s VALUES(%d, %d, %d, %s%s%s);\n",
              pTab2->zQuoted, iRoot, iPgno, nField,
              iMin<0 ? "" : "NULL, ", zVal, pTab2->azlCol[nField]
          );
        }else{
          raw_printf(pState->out, "INSERT INTO %s(%s) VALUES( %s );\n", 
              pTab2->zQuoted, pTab2->azlCol[nField], zVal
          );
        }
      }
      shellReset(&rc, pCells);
    }
    shellReset(&rc, pPages);
    if( pTab!=pOrphan ) recoverFreeTable(pTab);
................................................................................
** Return 1 on error, 2 to exit, and 0 otherwise.
*/
static int do_meta_command(char *zLine, ShellState *p){
  int h = 1;
  int nArg = 0;
  int n, c;
  int rc = 0;
  char *azArg[52];

#ifndef SQLITE_OMIT_VIRTUALTABLE
  if( p->expert.pExpert ){
    expertFinish(p, 1, 0);
  }
#endif

  /* Parse the input line into tokens.
  */
  while( zLine[h] && nArg<ArraySize(azArg)-1 ){
    while( IsSpace(zLine[h]) ){ h++; }
    if( zLine[h]==0 ) break;
    if( zLine[h]=='\'' || zLine[h]=='"' ){
      int delim = zLine[h++];
      azArg[nArg++] = &zLine[h];
      while( zLine[h] && zLine[h]!=delim ){
        if( zLine[h]=='\\' && delim=='"' && zLine[h+1]!=0 ) h++;
................................................................................
    }else{
      azArg[nArg++] = &zLine[h];
      while( zLine[h] && !IsSpace(zLine[h]) ){ h++; }
      if( zLine[h] ) zLine[h++] = 0;
      resolve_backslashes(azArg[nArg-1]);
    }
  }
  azArg[nArg] = 0;

  /* Process the input line.
  */
  if( nArg==0 ) return 0; /* no tokens, no error */
  n = strlen30(azArg[0]);
  c = azArg[0][0];
  clearTempFile(p);
................................................................................
  if( c=='d' && n>=3 && strncmp(azArg[0], "dbconfig", n)==0 ){
    static const struct DbConfigChoices {
      const char *zName;
      int op;
    } aDbConfig[] = {
        { "enable_fkey",        SQLITE_DBCONFIG_ENABLE_FKEY           },
        { "enable_trigger",     SQLITE_DBCONFIG_ENABLE_TRIGGER        },
        { "enable_view",        SQLITE_DBCONFIG_ENABLE_VIEW           },
        { "fts3_tokenizer",     SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER },
        { "load_extension",     SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION },
        { "no_ckpt_on_close",   SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE      },
        { "enable_qpsg",        SQLITE_DBCONFIG_ENABLE_QPSG           },
        { "trigger_eqp",        SQLITE_DBCONFIG_TRIGGER_EQP           },
        { "reset_database",     SQLITE_DBCONFIG_RESET_DATABASE        },
        { "defensive",          SQLITE_DBCONFIG_DEFENSIVE             },
................................................................................
    }else{
      raw_printf(p->out, "ANALYZE sqlite_master;\n");
      sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master'",
                   callback, &data, &zErrMsg);
      data.cMode = data.mode = MODE_Insert;
      data.zDestTable = "sqlite_stat1";
      shell_exec(&data, "SELECT * FROM sqlite_stat1", &zErrMsg);


      data.zDestTable = "sqlite_stat4";
      shell_exec(&data, "SELECT * FROM sqlite_stat4", &zErrMsg);
      raw_printf(p->out, "ANALYZE sqlite_master;\n");
    }
  }else

  if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
................................................................................
        appendText(&sSelect, " AS snum, ", 0);
        appendText(&sSelect, zDb, '\'');
        appendText(&sSelect, " AS sname FROM ", 0);
        appendText(&sSelect, zDb, quoteChar(zDb));
        appendText(&sSelect, ".sqlite_master", 0);
      }
      sqlite3_finalize(pStmt);
#ifndef SQLITE_OMIT_INTROSPECTION_PRAGMAS
      if( zName ){
        appendText(&sSelect,
           " UNION ALL SELECT shell_module_schema(name),"
           " 'table', name, name, name, 9e+99, 'main' FROM pragma_module_list",
        0);
      }
#endif
      appendText(&sSelect, ") WHERE ", 0);
      if( zName ){
        char *zQarg = sqlite3_mprintf("%Q", zName);
        int bGlob = strchr(zName, '*') != 0 || strchr(zName, '?') != 0 ||
                    strchr(zName, '[') != 0;
................................................................................
    */
    if( strcmp(azCmd[0],"changeset")==0 || strcmp(azCmd[0],"patchset")==0 ){
      FILE *out = 0;
      if( nCmd!=2 ) goto session_syntax_error;
      if( pSession->p==0 ) goto session_not_open;
      out = fopen(azCmd[1], "wb");
      if( out==0 ){
        utf8_printf(stderr, "ERROR: cannot open \"%s\" for writing\n",
                    azCmd[1]);
      }else{
        int szChng;
        void *pChng;
        if( azCmd[0][0]=='c' ){
          rc = sqlite3session_changeset(pSession->p, &szChng, &pChng);
        }else{
          rc = sqlite3session_patchset(pSession->p, &szChng, &pChng);
................................................................................
        }else
        if( strcmp(z,"debug")==0 ){
          bDebug = 1;
        }else
        {
          utf8_printf(stderr, "Unknown option \"%s\" on \"%s\"\n",
                      azArg[i], azArg[0]);
          showHelp(p->out, azArg[0]);

          rc = 1;
          goto meta_command_exit;
        }
      }else if( zLike ){
        raw_printf(stderr, "Usage: .sha3sum ?OPTIONS? ?LIKE-PATTERN?\n");
        rc = 1;
        goto meta_command_exit;
................................................................................
                           " ORDER BY name;", 0);
      }else if( strcmp(zTab, "sqlite_sequence")==0 ){
        appendText(&sQuery,"SELECT name,seq FROM sqlite_sequence"
                           " ORDER BY name;", 0);
      }else if( strcmp(zTab, "sqlite_stat1")==0 ){
        appendText(&sQuery,"SELECT tbl,idx,stat FROM sqlite_stat1"
                           " ORDER BY tbl,idx;", 0);

      }else if( strcmp(zTab, "sqlite_stat4")==0 ){
        appendText(&sQuery, "SELECT * FROM ", 0);
        appendText(&sQuery, zTab, 0);
        appendText(&sQuery, " ORDER BY tbl, idx, rowid;\n", 0);
      }
      appendText(&sSql, zSep, 0);
      appendText(&sSql, sQuery.z, '\'');
      sQuery.n = 0;
................................................................................
#ifndef SQLITE_UNTESTABLE
  if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 ){
    static const struct {
       const char *zCtrlName;   /* Name of a test-control option */
       int ctrlCode;            /* Integer code for that option */
       const char *zUsage;      /* Usage notes */
    } aCtrl[] = {
      { "always",             SQLITE_TESTCTRL_ALWAYS,        "BOOLEAN"        },
      { "assert",             SQLITE_TESTCTRL_ASSERT,        "BOOLEAN"        },
    /*{ "benign_malloc_hooks",SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS, ""       },*/
    /*{ "bitvec_test",        SQLITE_TESTCTRL_BITVEC_TEST,   ""             },*/
      { "byteorder",          SQLITE_TESTCTRL_BYTEORDER,     ""               },
      { "extra_schema_checks",SQLITE_TESTCTRL_EXTRA_SCHEMA_CHECKS,"BOOLEAN"   },
    /*{ "fault_install",      SQLITE_TESTCTRL_FAULT_INSTALL, ""             },*/

      { "imposter",         SQLITE_TESTCTRL_IMPOSTER, "SCHEMA ON/OFF ROOTPAGE"},
      { "internal_functions", SQLITE_TESTCTRL_INTERNAL_FUNCTIONS, "BOOLEAN"   },
      { "localtime_fault",    SQLITE_TESTCTRL_LOCALTIME_FAULT,"BOOLEAN"       },
      { "never_corrupt",      SQLITE_TESTCTRL_NEVER_CORRUPT, "BOOLEAN"        },
      { "optimizations",      SQLITE_TESTCTRL_OPTIMIZATIONS, "DISABLE-MASK"   },
#ifdef YYCOVERAGE
      { "parser_coverage",    SQLITE_TESTCTRL_PARSER_COVERAGE, ""             },
#endif
      { "pending_byte",       SQLITE_TESTCTRL_PENDING_BYTE,  "OFFSET  "       },

      { "prng_restore",       SQLITE_TESTCTRL_PRNG_RESTORE,  ""               },
      { "prng_save",          SQLITE_TESTCTRL_PRNG_SAVE,     ""               },
      { "prng_seed",          SQLITE_TESTCTRL_PRNG_SEED,     "SEED ?db?"      },
      { "reserve",            SQLITE_TESTCTRL_RESERVE,      "BYTES-OF-RESERVE"},
    };
    int testctrl = -1;
    int iCtrl = -1;
    int rc2 = 0;    /* 0: usage.  1: %d  2: %x  3: no-output */
    int isOk = 0;
    int i, n2;
    const char *zCmd = 0;
................................................................................
        case SQLITE_TESTCTRL_PENDING_BYTE:
          if( nArg==3 ){
            unsigned int opt = (unsigned int)integerValue(azArg[2]);
            rc2 = sqlite3_test_control(testctrl, opt);
            isOk = 3;
          }
          break;

        /* sqlite3_test_control(int, int, sqlite3*) */
        case SQLITE_TESTCTRL_PRNG_SEED:
          if( nArg==3 || nArg==4 ){
            int ii = (int)integerValue(azArg[2]);
            sqlite3 *db;
            if( ii==0 && strcmp(azArg[2],"random")==0 ){
              sqlite3_randomness(sizeof(ii),&ii);
              printf("-- random seed: %d\n", ii);
            }
            if( nArg==3 ){
              db = 0;
            }else{
              db = p->db;
              /* Make sure the schema has been loaded */
              sqlite3_table_column_metadata(db, 0, "x", 0, 0, 0, 0, 0, 0);
            }
            rc2 = sqlite3_test_control(testctrl, ii, db);
            isOk = 3;
          }
          break;

        /* sqlite3_test_control(int, int) */
        case SQLITE_TESTCTRL_ASSERT:
        case SQLITE_TESTCTRL_ALWAYS:
        case SQLITE_TESTCTRL_INTERNAL_FUNCTIONS:
          if( nArg==3 ){
            int opt = booleanValue(azArg[2]);
................................................................................
            sqlite3_test_control(testctrl, p->out);
            isOk = 3;
          }
#endif
      }
    }
    if( isOk==0 && iCtrl>=0 ){
      utf8_printf(p->out, "Usage: .testctrl %s %s\n", zCmd,aCtrl[iCtrl].zUsage);
      rc = 1;
    }else if( isOk==1 ){
      raw_printf(p->out, "%d\n", rc2);
    }else if( isOk==2 ){
      raw_printf(p->out, "0x%08x\n", rc2);
    }
  }else
................................................................................
      sqlite3_trace_v2(p->db, 0, 0, 0);
    }else{
      if( mType==0 ) mType = SQLITE_TRACE_STMT;
      sqlite3_trace_v2(p->db, mType, sql_trace_callback, p);
    }
  }else
#endif /* !defined(SQLITE_OMIT_TRACE) */

#ifdef SQLITE_DEBUG
  if( c=='u' && strncmp(azArg[0], "unmodule", n)==0 ){
    int ii;
    int lenOpt;
    char *zOpt;
    if( nArg<2 ){
      raw_printf(stderr, "Usage: .unmodule [--allexcept] NAME ...\n");
      rc = 1;
      goto meta_command_exit;
    }
    open_db(p, 0);
    zOpt = azArg[1];
    if( zOpt[0]=='-' && zOpt[1]=='-' && zOpt[2]!=0 ) zOpt++;
    lenOpt = (int)strlen(zOpt);
    if( lenOpt>=3 && strncmp(zOpt, "-allexcept",lenOpt)==0 ){
      assert( azArg[nArg]==0 );
      sqlite3_drop_modules(p->db, nArg>2 ? (const char**)(azArg+2) : 0);
    }else{
      for(ii=1; ii<nArg; ii++){
        sqlite3_create_module(p->db, azArg[ii], 0, 0);
      }
    }
  }else
#endif

#if SQLITE_USER_AUTHENTICATION
  if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
    if( nArg<2 ){
      raw_printf(stderr, "Usage: .user SUBCOMMAND ...\n");
      rc = 1;
      goto meta_command_exit;
................................................................................
    open_db(p, 0);
    if( strcmp(azArg[1],"login")==0 ){
      if( nArg!=4 ){
        raw_printf(stderr, "Usage: .user login USER PASSWORD\n");
        rc = 1;
        goto meta_command_exit;
      }
      rc = sqlite3_user_authenticate(p->db, azArg[2], azArg[3],
                                     strlen30(azArg[3]));
      if( rc ){
        utf8_printf(stderr, "Authentication failed for user %s\n", azArg[2]);
        rc = 1;
      }
    }else if( strcmp(azArg[1],"add")==0 ){
      if( nArg!=5 ){
        raw_printf(stderr, "Usage: .user add USER PASSWORD ISADMIN\n");

  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  if( P("rebuild") ){
    db_close(1);
    db_open_repository(g.zRepositoryName);
    db_begin_write();
    rebuild_db(0, 0, 0);
    admin_log("Rebuilt database.");
    db_end_transaction(0);
  }
  if( zUuid ){
    char *p;
    int i = 0;

  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  if( P("rebuild") ){
    db_close(1);
    db_open_repository(g.zRepositoryName);
    db_begin_transaction();
    rebuild_db(0, 0, 0);
    admin_log("Rebuilt database.");
    db_end_transaction(0);
  }
  if( zUuid ){
    char *p;
    int i = 0;

  int once;

  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  db_begin_write();
  zCurrent = getSkin(0);
  for(i=0; i<count(aBuiltinSkin); i++){
    aBuiltinSkin[i].zSQL = getSkin(aBuiltinSkin[i].zLabel);
  }

  if( cgi_csrf_safe(1) ){
    /* Process requests to delete a user-defined skin */
................................................................................
  zOrig = db_get(zKey, zDflt);
  zContent = PD(zFile,zOrig);
  if( P("revert")!=0 && cgi_csrf_safe(0) ){
    zContent = zDflt;
    isRevert = 1;
  }

  db_begin_write();
  style_header("%s", zTitle);
  for(j=0; j<count(aSkinAttr); j++){
    style_submenu_element(aSkinAttr[j].zSubmenu,
          "%R/setup_skinedit?w=%d&basis=%h&sk=%d",j,zBasis,iSkin);
  }
  @ <form action="%s(g.zTop)/setup_skinedit" method="post"><div>
  login_insert_csrf_secret();

  int once;

  login_check_credentials();
  if( !g.perm.Admin ){
    login_needed(0);
    return;
  }
  db_begin_transaction();
  zCurrent = getSkin(0);
  for(i=0; i<count(aBuiltinSkin); i++){
    aBuiltinSkin[i].zSQL = getSkin(aBuiltinSkin[i].zLabel);
  }

  if( cgi_csrf_safe(1) ){
    /* Process requests to delete a user-defined skin */
................................................................................
  zOrig = db_get(zKey, zDflt);
  zContent = PD(zFile,zOrig);
  if( P("revert")!=0 && cgi_csrf_safe(0) ){
    zContent = zDflt;
    isRevert = 1;
  }

  db_begin_transaction();
  style_header("%s", zTitle);
  for(j=0; j<count(aSkinAttr); j++){
    style_submenu_element(aSkinAttr[j].zSubmenu,
          "%R/setup_skinedit?w=%d&basis=%h&sk=%d",j,zBasis,iSkin);
  }
  @ <form action="%s(g.zTop)/setup_skinedit" method="post"><div>
  login_insert_csrf_secret();

/******************************************************************************
** This file is an amalgamation of many separate C source files from SQLite
** version 3.29.0.  By combining all the individual C code files into this
** single large file, the entire code can be compiled as a single translation
** unit.  This allows many compilers to do optimizations that would not be
** possible if the files were compiled separately.  Performance improvements
** of 5% or more are commonly seen when SQLite is compiled as a single
** translation unit.
**
** This file is all you need to compile SQLite.  To use SQLite in other
................................................................................
  "ENABLE_SORTER_REFERENCES",
#endif
#if SQLITE_ENABLE_SQLLOG
  "ENABLE_SQLLOG",
#endif
#if defined(SQLITE_ENABLE_STAT4)
  "ENABLE_STAT4",
#elif defined(SQLITE_ENABLE_STAT3)
  "ENABLE_STAT3",
#endif
#if SQLITE_ENABLE_STMTVTAB
  "ENABLE_STMTVTAB",
#endif
#if SQLITE_ENABLE_STMT_SCANSTATUS
  "ENABLE_STMT_SCANSTATUS",
#endif
................................................................................
** been edited in any way since it was last checked in, then the last
** four hexadecimal digits of the hash may be modified.
**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.29.0"
#define SQLITE_VERSION_NUMBER 3029000
#define SQLITE_SOURCE_ID      "2019-07-10 17:32:03 fc82b73eaac8b36950e527f12c4b5dc1e147e6f4ad2217ae43ad82882a88bfa6"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros
................................................................................
** The first argument is an integer which is 0 to disable triggers,
** positive to enable triggers or negative to leave the setting unchanged.
** The second parameter is a pointer to an integer into which
** is written 0 or 1 to indicate whether triggers are disabled or enabled
** following this call.  The second parameter may be a NULL pointer, in
** which case the trigger setting is not reported back. </dd>
**











** [[SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER]]
** <dt>SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER</dt>
** <dd> ^This option is used to enable or disable the
** [fts3_tokenizer()] function which is part of the
** [FTS3] full-text search engine extension.
** There should be two additional arguments.
** The first argument is an integer which is 0 to disable fts3_tokenizer() or
................................................................................
#define SQLITE_DBCONFIG_TRIGGER_EQP           1008 /* int int* */
#define SQLITE_DBCONFIG_RESET_DATABASE        1009 /* int int* */
#define SQLITE_DBCONFIG_DEFENSIVE             1010 /* int int* */
#define SQLITE_DBCONFIG_WRITABLE_SCHEMA       1011 /* int int* */
#define SQLITE_DBCONFIG_LEGACY_ALTER_TABLE    1012 /* int int* */
#define SQLITE_DBCONFIG_DQS_DML               1013 /* int int* */
#define SQLITE_DBCONFIG_DQS_DDL               1014 /* int int* */

#define SQLITE_DBCONFIG_MAX                   1014 /* Largest DBCONFIG */

/*
** CAPI3REF: Enable Or Disable Extended Result Codes
** METHOD: sqlite3
**
** ^The sqlite3_extended_result_codes() routine enables or disables the
** [extended result codes] feature of SQLite. ^The extended result
................................................................................
** WHERE clause might influence the choice of query plan for a statement,
** then the statement will be automatically recompiled, as if there had been 
** a schema change, on the first  [sqlite3_step()] call following any change
** to the [sqlite3_bind_text | bindings] of that [parameter]. 
** ^The specific value of WHERE-clause [parameter] might influence the 
** choice of query plan if the parameter is the left-hand side of a [LIKE]
** or [GLOB] operator or if the parameter is compared to an indexed column
** and the [SQLITE_ENABLE_STAT3] compile-time option is enabled.
** </li>
** </ol>
**
** <p>^sqlite3_prepare_v3() differs from sqlite3_prepare_v2() only in having
** the extra prepFlags parameter, which is a bit array consisting of zero or
** more of the [SQLITE_PREPARE_PERSISTENT|SQLITE_PREPARE_*] flags.  ^The
** sqlite3_prepare_v2() interface works exactly the same as
................................................................................
** ^The fourth parameter may optionally be ORed with [SQLITE_DETERMINISTIC]
** to signal that the function will always return the same result given
** the same inputs within a single SQL statement.  Most SQL functions are
** deterministic.  The built-in [random()] SQL function is an example of a
** function that is not deterministic.  The SQLite query planner is able to
** perform additional optimizations on deterministic functions, so use
** of the [SQLITE_DETERMINISTIC] flag is recommended where possible.



**
** ^(The fifth parameter is an arbitrary pointer.  The implementation of the
** function can gain access to this pointer using [sqlite3_user_data()].)^
**
** ^The sixth, seventh and eighth parameters passed to the three
** "sqlite3_create_function*" functions, xFunc, xStep and xFinal, are
** pointers to C-language functions that implement the SQL function or
................................................................................
/*
** CAPI3REF: Function Flags
**
** These constants may be ORed together with the 
** [SQLITE_UTF8 | preferred text encoding] as the fourth argument
** to [sqlite3_create_function()], [sqlite3_create_function16()], or
** [sqlite3_create_function_v2()].







*/
#define SQLITE_DETERMINISTIC    0x800


/*
** CAPI3REF: Deprecated Functions
** DEPRECATED
**
** These functions are [deprecated].  In order to maintain
** backwards compatibility with older code, these functions continue 
................................................................................
** is a pointer to a destructor for the pClientData.  ^SQLite will
** invoke the destructor function (if it is not NULL) when SQLite
** no longer needs the pClientData pointer.  ^The destructor will also
** be invoked if the call to sqlite3_create_module_v2() fails.
** ^The sqlite3_create_module()
** interface is equivalent to sqlite3_create_module_v2() with a NULL
** destructor.






*/
SQLITE_API int sqlite3_create_module(
  sqlite3 *db,               /* SQLite connection to register module with */
  const char *zName,         /* Name of the module */
  const sqlite3_module *p,   /* Methods for the module */
  void *pClientData          /* Client data for xCreate/xConnect */
);
................................................................................
SQLITE_API int sqlite3_create_module_v2(
  sqlite3 *db,               /* SQLite connection to register module with */
  const char *zName,         /* Name of the module */
  const sqlite3_module *p,   /* Methods for the module */
  void *pClientData,         /* Client data for xCreate/xConnect */
  void(*xDestroy)(void*)     /* Module destructor function */
);


















/*
** CAPI3REF: Virtual Table Instance Object
** KEYWORDS: sqlite3_vtab
**
** Every [virtual table module] implementation uses a subclass
** of this object to describe a particular instance
................................................................................
** without notice.  These values are for testing purposes only.
** Applications should not use any of these parameters or the
** [sqlite3_test_control()] interface.
*/
#define SQLITE_TESTCTRL_FIRST                    5
#define SQLITE_TESTCTRL_PRNG_SAVE                5
#define SQLITE_TESTCTRL_PRNG_RESTORE             6
#define SQLITE_TESTCTRL_PRNG_RESET               7
#define SQLITE_TESTCTRL_BITVEC_TEST              8
#define SQLITE_TESTCTRL_FAULT_INSTALL            9
#define SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS     10
#define SQLITE_TESTCTRL_PENDING_BYTE            11
#define SQLITE_TESTCTRL_ASSERT                  12
#define SQLITE_TESTCTRL_ALWAYS                  13
#define SQLITE_TESTCTRL_RESERVE                 14
................................................................................
#define SQLITE_TESTCTRL_VDBE_COVERAGE           21
#define SQLITE_TESTCTRL_BYTEORDER               22
#define SQLITE_TESTCTRL_ISINIT                  23
#define SQLITE_TESTCTRL_SORTER_MMAP             24
#define SQLITE_TESTCTRL_IMPOSTER                25
#define SQLITE_TESTCTRL_PARSER_COVERAGE         26
#define SQLITE_TESTCTRL_RESULT_INTREAL          27


#define SQLITE_TESTCTRL_LAST                    27  /* Largest TESTCTRL */

/*
** CAPI3REF: SQL Keyword Checking
**
** These routines provide access to the set of SQL language keywords 
** recognized by SQLite.  Applications can uses these routines to determine
** whether or not a specific identifier needs to be escaped (for example,
................................................................................
** that vary from one machine to the next.
**
** Ticket #3860:  The llvm-gcc-4.2 compiler from Apple chokes on
** the ((void*)&((char*)0)[X]) construct.  But MSVC chokes on ((void*)(X)).
** So we have to define the macros in different ways depending on the
** compiler.
*/



#if defined(__PTRDIFF_TYPE__)  /* This case should work for GCC */
# define SQLITE_INT_TO_PTR(X)  ((void*)(__PTRDIFF_TYPE__)(X))
# define SQLITE_PTR_TO_INT(X)  ((int)(__PTRDIFF_TYPE__)(X))
#elif !defined(__GNUC__)       /* Works for compilers other than LLVM */
# define SQLITE_INT_TO_PTR(X)  ((void*)&((char*)0)[X])
# define SQLITE_PTR_TO_INT(X)  ((int)(((char*)X)-(char*)0))
#elif defined(HAVE_STDINT_H)   /* Use this case if we have ANSI headers */
# define SQLITE_INT_TO_PTR(X)  ((void*)(intptr_t)(X))
# define SQLITE_PTR_TO_INT(X)  ((int)(intptr_t)(X))
#else                          /* Generates a warning - but it always works */
# define SQLITE_INT_TO_PTR(X)  ((void*)(X))
# define SQLITE_PTR_TO_INT(X)  ((int)(X))
#endif

/*
** A macro to hint to the compiler that a function should not be
................................................................................
#define TK_ROW                             75
#define TK_ROWS                            76
#define TK_TRIGGER                         77
#define TK_VACUUM                          78
#define TK_VIEW                            79
#define TK_VIRTUAL                         80
#define TK_WITH                            81



#define TK_CURRENT                         82
#define TK_FOLLOWING                       83
#define TK_PARTITION                       84
#define TK_PRECEDING                       85
#define TK_RANGE                           86
#define TK_UNBOUNDED                       87
#define TK_EXCLUDE                         88
#define TK_GROUPS                          89
#define TK_OTHERS                          90
#define TK_TIES                            91
#define TK_REINDEX                         92
#define TK_RENAME                          93
#define TK_CTIME_KW                        94
#define TK_ANY                             95
#define TK_BITAND                          96
#define TK_BITOR                           97
#define TK_LSHIFT                          98
#define TK_RSHIFT                          99
#define TK_PLUS                           100
#define TK_MINUS                          101
#define TK_STAR                           102
#define TK_SLASH                          103
#define TK_REM                            104
#define TK_CONCAT                         105
#define TK_COLLATE                        106
#define TK_BITNOT                         107
#define TK_ON                             108
#define TK_INDEXED                        109
#define TK_STRING                         110
#define TK_JOIN_KW                        111
#define TK_CONSTRAINT                     112
#define TK_DEFAULT                        113
#define TK_NULL                           114
#define TK_PRIMARY                        115
#define TK_UNIQUE                         116
#define TK_CHECK                          117
#define TK_REFERENCES                     118
#define TK_AUTOINCR                       119
#define TK_INSERT                         120
#define TK_DELETE                         121
#define TK_UPDATE                         122
#define TK_SET                            123
#define TK_DEFERRABLE                     124
#define TK_FOREIGN                        125
#define TK_DROP                           126
#define TK_UNION                          127
#define TK_ALL                            128
#define TK_EXCEPT                         129
#define TK_INTERSECT                      130
#define TK_SELECT                         131
#define TK_VALUES                         132
#define TK_DISTINCT                       133
#define TK_DOT                            134
#define TK_FROM                           135
#define TK_JOIN                           136
#define TK_USING                          137
#define TK_ORDER                          138
#define TK_GROUP                          139
#define TK_HAVING                         140
#define TK_LIMIT                          141
#define TK_WHERE                          142
#define TK_INTO                           143
#define TK_NOTHING                        144
#define TK_FLOAT                          145
#define TK_BLOB                           146
#define TK_INTEGER                        147
#define TK_VARIABLE                       148
#define TK_CASE                           149
#define TK_WHEN                           150
#define TK_THEN                           151
#define TK_ELSE                           152
#define TK_INDEX                          153
#define TK_ALTER                          154
#define TK_ADD                            155
#define TK_WINDOW                         156
#define TK_OVER                           157
#define TK_FILTER                         158
#define TK_TRUEFALSE                      159
#define TK_ISNOT                          160
#define TK_FUNCTION                       161
#define TK_COLUMN                         162
#define TK_AGG_FUNCTION                   163
#define TK_AGG_COLUMN                     164



#define TK_UMINUS                         165
#define TK_UPLUS                          166
#define TK_TRUTH                          167
#define TK_REGISTER                       168
#define TK_VECTOR                         169
#define TK_SELECT_COLUMN                  170
#define TK_IF_NULL_ROW                    171
#define TK_ASTERISK                       172
#define TK_SPAN                           173
#define TK_SPACE                          174
#define TK_ILLEGAL                        175

/************** End of parse.h ***********************************************/
/************** Continuing where we left off in sqliteInt.h ******************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
................................................................................
# define SQLITE_DEFAULT_MMAP_SIZE 0
#endif
#if SQLITE_DEFAULT_MMAP_SIZE>SQLITE_MAX_MMAP_SIZE
# undef SQLITE_DEFAULT_MMAP_SIZE
# define SQLITE_DEFAULT_MMAP_SIZE SQLITE_MAX_MMAP_SIZE
#endif

/*
** Only one of SQLITE_ENABLE_STAT3 or SQLITE_ENABLE_STAT4 can be defined.
** Priority is given to SQLITE_ENABLE_STAT4.  If either are defined, also
** define SQLITE_ENABLE_STAT3_OR_STAT4
*/
#ifdef SQLITE_ENABLE_STAT4
# undef SQLITE_ENABLE_STAT3
# define SQLITE_ENABLE_STAT3_OR_STAT4 1
#elif SQLITE_ENABLE_STAT3
# define SQLITE_ENABLE_STAT3_OR_STAT4 1
#elif SQLITE_ENABLE_STAT3_OR_STAT4
# undef SQLITE_ENABLE_STAT3_OR_STAT4
#endif

/*
** SELECTTRACE_ENABLED will be either 1 or 0 depending on whether or not
** the Select query generator tracing logic is turned on.
*/
#if defined(SQLITE_ENABLE_SELECTTRACE)
# define SELECTTRACE_ENABLED 1
#else
................................................................................
#define OP_Offset         89 /* synopsis: r[P3] = sqlite_offset(P1)        */
#define OP_Column         90 /* synopsis: r[P3]=PX                         */
#define OP_Affinity       91 /* synopsis: affinity(r[P1@P2])               */
#define OP_MakeRecord     92 /* synopsis: r[P3]=mkrec(r[P1@P2])            */
#define OP_Count          93 /* synopsis: r[P2]=count()                    */
#define OP_ReadCookie     94
#define OP_SetCookie      95
#define OP_BitAnd         96 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */
#define OP_BitOr          97 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */
#define OP_ShiftLeft      98 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<<r[P1] */
#define OP_ShiftRight     99 /* same as TK_RSHIFT, synopsis: r[P3]=r[P2]>>r[P1] */
#define OP_Add           100 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */
#define OP_Subtract      101 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */
#define OP_Multiply      102 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */
#define OP_Divide        103 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */
#define OP_Remainder     104 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */
#define OP_Concat        105 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */
#define OP_ReopenIdx     106 /* synopsis: root=P2 iDb=P3                   */
#define OP_BitNot        107 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */
#define OP_OpenRead      108 /* synopsis: root=P2 iDb=P3                   */
#define OP_OpenWrite     109 /* synopsis: root=P2 iDb=P3                   */
#define OP_String8       110 /* same as TK_STRING, synopsis: r[P2]='P4'    */
#define OP_OpenDup       111
#define OP_OpenAutoindex 112 /* synopsis: nColumn=P2                       */
#define OP_OpenEphemeral 113 /* synopsis: nColumn=P2                       */
#define OP_SorterOpen    114
#define OP_SequenceTest  115 /* synopsis: if( cursor[P1].ctr++ ) pc = P2   */
#define OP_OpenPseudo    116 /* synopsis: P3 columns in r[P2]              */
#define OP_Close         117
#define OP_ColumnsUsed   118
#define OP_SeekHit       119 /* synopsis: seekHit=P2                       */
#define OP_Sequence      120 /* synopsis: r[P2]=cursor[P1].ctr++           */
................................................................................
#define OP_ResetSorter   138
#define OP_CreateBtree   139 /* synopsis: r[P2]=root iDb=P1 flags=P3       */
#define OP_SqlExec       140
#define OP_ParseSchema   141
#define OP_LoadAnalysis  142
#define OP_DropTable     143
#define OP_DropIndex     144
#define OP_Real          145 /* same as TK_FLOAT, synopsis: r[P2]=P4       */
#define OP_DropTrigger   146
#define OP_IntegrityCk   147
#define OP_RowSetAdd     148 /* synopsis: rowset(P1)=r[P2]                 */

#define OP_Param         149
#define OP_FkCounter     150 /* synopsis: fkctr[P1]+=P2                    */
#define OP_MemMax        151 /* synopsis: r[P1]=max(r[P1],r[P2])           */
#define OP_OffsetLimit   152 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */
#define OP_AggInverse    153 /* synopsis: accum=r[P3] inverse(r[P2@P5])    */
#define OP_AggStep       154 /* synopsis: accum=r[P3] step(r[P2@P5])       */
#define OP_AggStep1      155 /* synopsis: accum=r[P3] step(r[P2@P5])       */
................................................................................
/*  40 */ 0x01, 0x23, 0x0b, 0x26, 0x26, 0x01, 0x01, 0x03,\
/*  48 */ 0x03, 0x03, 0x03, 0x03, 0x0b, 0x0b, 0x0b, 0x0b,\
/*  56 */ 0x0b, 0x0b, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,\
/*  64 */ 0x00, 0x00, 0x02, 0x02, 0x08, 0x00, 0x10, 0x10,\
/*  72 */ 0x10, 0x10, 0x00, 0x10, 0x10, 0x00, 0x00, 0x10,\
/*  80 */ 0x10, 0x00, 0x00, 0x02, 0x02, 0x02, 0x00, 0x00,\
/*  88 */ 0x12, 0x20, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00,\
/*  96 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26,\
/* 104 */ 0x26, 0x26, 0x00, 0x12, 0x00, 0x00, 0x10, 0x00,\
/* 112 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 120 */ 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 128 */ 0x10, 0x00, 0x00, 0x04, 0x04, 0x00, 0x00, 0x10,\
/* 136 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\
/* 144 */ 0x00, 0x10, 0x00, 0x00, 0x06, 0x10, 0x00, 0x04,\
/* 152 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
/* 160 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10,\
/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00,}

/* The sqlite3P2Values() routine is able to run faster if it knows
** the value of the largest JUMP opcode.  The smaller the maximum
** JUMP opcode the better, so the mkopcodeh.tcl script that
................................................................................
#endif
#if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_EXPLAIN)
SQLITE_PRIVATE   void sqlite3ExplainBreakpoint(const char*,const char*);
#else
# define sqlite3ExplainBreakpoint(A,B) /*no-op*/
#endif
SQLITE_PRIVATE void sqlite3VdbeAddParseSchemaOp(Vdbe*,int,char*);
SQLITE_PRIVATE void sqlite3VdbeChangeOpcode(Vdbe*, u32 addr, u8);
SQLITE_PRIVATE void sqlite3VdbeChangeP1(Vdbe*, u32 addr, int P1);
SQLITE_PRIVATE void sqlite3VdbeChangeP2(Vdbe*, u32 addr, int P2);
SQLITE_PRIVATE void sqlite3VdbeChangeP3(Vdbe*, u32 addr, int P3);
SQLITE_PRIVATE void sqlite3VdbeChangeP5(Vdbe*, u16 P5);
SQLITE_PRIVATE void sqlite3VdbeJumpHere(Vdbe*, int addr);
SQLITE_PRIVATE int sqlite3VdbeChangeToNoop(Vdbe*, int addr);
SQLITE_PRIVATE int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op);
SQLITE_PRIVATE void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
SQLITE_PRIVATE void sqlite3VdbeAppendP4(Vdbe*, void *pP4, int p4type);
SQLITE_PRIVATE void sqlite3VdbeSetP4KeyInfo(Parse*, Index*);
................................................................................
  struct sqlite3InitInfo {      /* Information used during initialization */
    int newTnum;                /* Rootpage of table being initialized */
    u8 iDb;                     /* Which db file is being initialized */
    u8 busy;                    /* TRUE if currently initializing */
    unsigned orphanTrigger : 1; /* Last statement is orphaned TEMP trigger */
    unsigned imposterTable : 1; /* Building an imposter table */
    unsigned reopenMemdb : 1;   /* ATTACH is really a reopen using MemDB */

  } init;
  int nVdbeActive;              /* Number of VDBEs currently running */
  int nVdbeRead;                /* Number of active VDBEs that read or write */
  int nVdbeWrite;               /* Number of active VDBEs that read and write */
  int nVdbeExec;                /* Number of nested calls to VdbeExec() */
  int nVDestroy;                /* Number of active OP_VDestroy operations */
  int nExtension;               /* Number of loaded extensions */
................................................................................
#define SQLITE_TriggerEQP     0x01000000  /* Show trigger EXPLAIN QUERY PLAN */
#define SQLITE_ResetDatabase  0x02000000  /* Reset the database */
#define SQLITE_LegacyAlter    0x04000000  /* Legacy ALTER TABLE behaviour */
#define SQLITE_NoSchemaError  0x08000000  /* Do not report schema parse errors*/
#define SQLITE_Defensive      0x10000000  /* Input SQL is likely hostile */
#define SQLITE_DqsDDL         0x20000000  /* dbl-quoted strings allowed in DDL*/
#define SQLITE_DqsDML         0x40000000  /* dbl-quoted strings allowed in DML*/


/* Flags used only if debugging */
#define HI(X)  ((u64)(X)<<32)
#ifdef SQLITE_DEBUG
#define SQLITE_SqlTrace       HI(0x0001)  /* Debug print SQL as it executes */
#define SQLITE_VdbeListing    HI(0x0002)  /* Debug listings of VDBE progs */
#define SQLITE_VdbeTrace      HI(0x0004)  /* True to trace VDBE execution */
#define SQLITE_VdbeAddopTrace HI(0x0008)  /* Trace sqlite3VdbeAddOp() calls */
#define SQLITE_VdbeEQP        HI(0x0010)  /* Debug EXPLAIN QUERY PLAN */
#define SQLITE_ParserTrace    HI(0x0020)  /* PRAGMA parser_trace=ON */
#endif

/*
** Allowed values for sqlite3.mDbFlags
*/
#define DBFLAG_SchemaChange   0x0001  /* Uncommitted Hash table changes */
#define DBFLAG_PreferBuiltin  0x0002  /* Preference to built-in funcs */
................................................................................
#define SQLITE_DistinctOpt    0x0010   /* DISTINCT using indexes */
#define SQLITE_CoverIdxScan   0x0020   /* Covering index scans */
#define SQLITE_OrderByIdxJoin 0x0040   /* ORDER BY of joins via index */
#define SQLITE_Transitive     0x0080   /* Transitive constraints */
#define SQLITE_OmitNoopJoin   0x0100   /* Omit unused tables in joins */
#define SQLITE_CountOfView    0x0200   /* The count-of-view optimization */
#define SQLITE_CursorHints    0x0400   /* Add OP_CursorHint opcodes */
#define SQLITE_Stat34         0x0800   /* Use STAT3 or STAT4 data */
   /* TH3 expects the Stat34  ^^^^^^ value to be 0x0800.  Don't change it */
#define SQLITE_PushDown       0x1000   /* The push-down optimization */
#define SQLITE_SimplifyJoin   0x2000   /* Convert LEFT JOIN to JOIN */
#define SQLITE_SkipScan       0x4000   /* Skip-scans */
#define SQLITE_PropagateConst 0x8000   /* The constant propagation opt */
#define SQLITE_AllOpts        0xffff   /* All optimizations */

/*
................................................................................
** are assert() statements in the code to verify this.
**
** Value constraints (enforced via assert()):
**     SQLITE_FUNC_MINMAX    ==  NC_MinMaxAgg      == SF_MinMaxAgg
**     SQLITE_FUNC_LENGTH    ==  OPFLAG_LENGTHARG
**     SQLITE_FUNC_TYPEOF    ==  OPFLAG_TYPEOFARG
**     SQLITE_FUNC_CONSTANT  ==  SQLITE_DETERMINISTIC from the API

**     SQLITE_FUNC_ENCMASK   depends on SQLITE_UTF* macros in the API
*/
#define SQLITE_FUNC_ENCMASK  0x0003 /* SQLITE_UTF8, SQLITE_UTF16BE or UTF16LE */
#define SQLITE_FUNC_LIKE     0x0004 /* Candidate for the LIKE optimization */
#define SQLITE_FUNC_CASE     0x0008 /* Case-sensitive LIKE-type function */
#define SQLITE_FUNC_EPHEM    0x0010 /* Ephemeral.  Delete with VDBE */
#define SQLITE_FUNC_NEEDCOLL 0x0020 /* sqlite3GetFuncCollSeq() might be called*/
................................................................................
#define SQLITE_FUNC_MINMAX   0x1000 /* True for min() and max() aggregates */
#define SQLITE_FUNC_SLOCHNG  0x2000 /* "Slow Change". Value constant during a
                                    ** single query - might change over time */
#define SQLITE_FUNC_AFFINITY 0x4000 /* Built-in affinity() function */
#define SQLITE_FUNC_OFFSET   0x8000 /* Built-in sqlite_offset() function */
#define SQLITE_FUNC_WINDOW   0x00010000 /* Built-in window-only function */
#define SQLITE_FUNC_INTERNAL 0x00040000 /* For use by NestedParse() only */


/*
** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are
** used to create the initializers for the FuncDef structures.
**
**   FUNCTION(zName, nArg, iArg, bNC, xFunc)
**     Used to create a scalar function definition of a function zName
................................................................................
** Each SQLite module (virtual table definition) is defined by an
** instance of the following structure, stored in the sqlite3.aModule
** hash table.
*/
struct Module {
  const sqlite3_module *pModule;       /* Callback pointers */
  const char *zName;                   /* Name passed to create_module() */

  void *pAux;                          /* pAux passed to create_module() */
  void (*xDestroy)(void *);            /* Module destructor function */
  Table *pEpoTab;                      /* Eponymous table for this module */
};

/*
** information about each column of an SQL table is held in an instance
................................................................................
** But rather than start with 0 or 1, we begin with 'A'.  That way,
** when multiple affinity types are concatenated into a string and
** used as the P4 operand, they will be more readable.
**
** Note also that the numeric types are grouped together so that testing
** for a numeric type is a single comparison.  And the BLOB type is first.
*/

#define SQLITE_AFF_BLOB     'A'
#define SQLITE_AFF_TEXT     'B'
#define SQLITE_AFF_NUMERIC  'C'
#define SQLITE_AFF_INTEGER  'D'
#define SQLITE_AFF_REAL     'E'

#define sqlite3IsNumericAffinity(X)  ((X)>=SQLITE_AFF_NUMERIC)

/*
** The SQLITE_AFF_MASK values masks off the significant bits of an
** affinity value.
*/
................................................................................
*/
struct KeyInfo {
  u32 nRef;           /* Number of references to this KeyInfo object */
  u8 enc;             /* Text encoding - one of the SQLITE_UTF* values */
  u16 nKeyField;      /* Number of key columns in the index */
  u16 nAllField;      /* Total columns, including key plus others */
  sqlite3 *db;        /* The database connection */
  u8 *aSortOrder;     /* Sort order for each column. */
  CollSeq *aColl[1];  /* Collating sequence for each term of the key */
};




/*
** This object holds a record which has been parsed out into individual
** fields, for the purposes of doing a comparison.
**
** A record is an object that contains one or more fields of data.
** Records are used to store the content of a table row and to store
................................................................................
  unsigned uniqNotNull:1;  /* True if UNIQUE and NOT NULL for all columns */
  unsigned isResized:1;    /* True if resizeIndexObject() has been called */
  unsigned isCovering:1;   /* True if this is a covering index */
  unsigned noSkipScan:1;   /* Do not try to use skip-scan if true */
  unsigned hasStat1:1;     /* aiRowLogEst values come from sqlite_stat1 */
  unsigned bNoQuery:1;     /* Do not use this index to optimize queries */
  unsigned bAscKeyBug:1;   /* True if the bba7b69f9849b5bf bug applies */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  int nSample;             /* Number of elements in aSample[] */
  int nSampleCol;          /* Size of IndexSample.anEq[] and so on */
  tRowcnt *aAvgEq;         /* Average nEq values for keys not in aSample */
  IndexSample *aSample;    /* Samples of the left-most key */
  tRowcnt *aiRowEst;       /* Non-logarithmic stat1 data for this index */
  tRowcnt nRowEst0;        /* Non-logarithmic number of rows in the index */
#endif
................................................................................
/* The Index.aiColumn[] values are normally positive integer.  But
** there are some negative values that have special meaning:
*/
#define XN_ROWID     (-1)     /* Indexed column is the rowid */
#define XN_EXPR      (-2)     /* Indexed column is an expression */

/*
** Each sample stored in the sqlite_stat3 table is represented in memory
** using a structure of this type.  See documentation at the top of the
** analyze.c source file for additional information.
*/
struct IndexSample {
  void *p;          /* Pointer to sampled record */
  int n;            /* Size of record in bytes */
  tRowcnt *anEq;    /* Est. number of rows where the key equals this sample */
................................................................................
** the child Expr objects in the Expr.pLeft and Expr.pRight subtrees
** are contained within the same memory allocation.  Note, however, that
** the subtrees in Expr.x.pList or Expr.x.pSelect are always separately
** allocated, regardless of whether or not EP_Reduced is set.
*/
struct Expr {
  u8 op;                 /* Operation performed by this node */
  char affinity;         /* The affinity of the column or 0 if not a column */
  u32 flags;             /* Various flags.  EP_* See below */
  union {
    char *zToken;          /* Token value. Zero terminated and dequoted */
    int iValue;            /* Non-negative integer value if EP_IntValue */
  } u;

  /* If the EP_TokenOnly flag is set in the Expr.flags mask, then no
................................................................................
#if SQLITE_MAX_EXPR_DEPTH>0
  int nHeight;           /* Height of the tree headed by this node */
#endif
  int iTable;            /* TK_COLUMN: cursor number of table holding column
                         ** TK_REGISTER: register number
                         ** TK_TRIGGER: 1 -> new, 0 -> old
                         ** EP_Unlikely:  134217728 times likelihood

                         ** TK_SELECT: 1st register of result vector */
  ynVar iColumn;         /* TK_COLUMN: column index.  -1 for rowid.
                         ** TK_VARIABLE: variable number (always >= 1).
                         ** TK_SELECT_COLUMN: column of the result vector */
  i16 iAgg;              /* Which entry in pAggInfo->aCol[] or ->aFunc[] */
  i16 iRightJoinTable;   /* If EP_FromJoin, the right table of the join */
  u8 op2;                /* TK_REGISTER/TK_TRUTH: original value of Expr.op
                         ** TK_COLUMN: the value of p5 for OP_Column
                         ** TK_AGG_FUNCTION: nesting depth */
  AggInfo *pAggInfo;     /* Used by TK_AGG_COLUMN and TK_AGG_FUNCTION */
  union {
    Table *pTab;           /* TK_COLUMN: Table containing column. Can be NULL
                           ** for a column of an index on an expression */
    Window *pWin;          /* TK_FUNCTION: Window definition for the func */
    struct {               /* TK_IN, TK_SELECT, and TK_EXISTS */
      int iAddr;             /* Subroutine entry address */
      int regReturn;         /* Register used to hold return address */
    } sub;
  } y;
};

................................................................................
/*
** The following are the meanings of bits in the Expr.flags field.
** Value restrictions:
**
**          EP_Agg == NC_HasAgg == SF_HasAgg
**          EP_Win == NC_HasWin
*/
#define EP_FromJoin  0x000001 /* Originates in ON/USING clause of outer join */
#define EP_Distinct  0x000002 /* Aggregate function with DISTINCT keyword */
#define EP_HasFunc   0x000004 /* Contains one or more functions of any kind */
#define EP_FixedCol  0x000008 /* TK_Column with a known fixed value */
#define EP_Agg       0x000010 /* Contains one or more aggregate functions */
#define EP_VarSelect 0x000020 /* pSelect is correlated, not constant */
#define EP_DblQuoted 0x000040 /* token.z was originally in "..." */
#define EP_InfixFunc 0x000080 /* True for an infix function: LIKE, GLOB, etc */
#define EP_Collate   0x000100 /* Tree contains a TK_COLLATE operator */
#define EP_Generic   0x000200 /* Ignore COLLATE or affinity on this tree */
#define EP_IntValue  0x000400 /* Integer value contained in u.iValue */
#define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */
#define EP_Skip      0x001000 /* Operator does not contribute to affinity */
#define EP_Reduced   0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */
#define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */
#define EP_Win       0x008000 /* Contains window functions */
#define EP_MemToken  0x010000 /* Need to sqlite3DbFree() Expr.zToken */
#define EP_NoReduce  0x020000 /* Cannot EXPRDUP_REDUCE this Expr */
#define EP_Unlikely  0x040000 /* unlikely() or likelihood() function */
#define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */
#define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */
#define EP_Subquery  0x200000 /* Tree contains a TK_SELECT operator */
#define EP_Alias     0x400000 /* Is an alias for a result set column */
#define EP_Leaf      0x800000 /* Expr.pLeft, .pRight, .u.pSelect all NULL */
#define EP_WinFunc  0x1000000 /* TK_FUNCTION with Expr.y.pWin set */
#define EP_Subrtn   0x2000000 /* Uses Expr.y.sub. TK_IN, _SELECT, or _EXISTS */
#define EP_Quoted   0x4000000 /* TK_ID was originally quoted */
#define EP_Static   0x8000000 /* Held in memory not obtained from malloc() */
#define EP_IsTrue  0x10000000 /* Always has boolean value of TRUE */
#define EP_IsFalse 0x20000000 /* Always has boolean value of FALSE */


/*
** The EP_Propagate mask is a set of properties that automatically propagate
** upwards into parent nodes.
*/
#define EP_Propagate (EP_Collate|EP_Subquery|EP_HasFunc)

................................................................................
#define EXPR_TOKENONLYSIZE      offsetof(Expr,pLeft)   /* Fewer features */

/*
** Flags passed to the sqlite3ExprDup() function. See the header comment
** above sqlite3ExprDup() for details.
*/
#define EXPRDUP_REDUCE         0x0001  /* Used reduced-size Expr nodes */









/*
** A list of expressions.  Each expression may optionally have a
** name.  An expr/name combination can be used in several ways, such
** as the list of "expr AS ID" fields following a "SELECT" or in the
** list of "ID = expr" items in an UPDATE.  A list of expressions can
** also be used as the argument to a function, in which case the a.zName
................................................................................
*/
struct ExprList {
  int nExpr;             /* Number of expressions on the list */
  struct ExprList_item { /* For each expression in the list */
    Expr *pExpr;            /* The parse tree for this expression */
    char *zName;            /* Token associated with this expression */
    char *zSpan;            /* Original text of the expression */
    u8 sortOrder;           /* 1 for DESC or 0 for ASC */
    unsigned done :1;       /* A flag to indicate when processing is finished */
    unsigned bSpanIsTab :1; /* zSpan holds DB.TABLE.COLUMN */
    unsigned reusable :1;   /* Constant expression is reusable */
    unsigned bSorterRef :1; /* Defer evaluation until after sorting */

    union {
      struct {
        u16 iOrderByCol;      /* For ORDER BY, column number in result set */
        u16 iAlias;           /* Index into Parse.aAlias[] for zName */
      } x;
      int iConstExprReg;      /* Register in which Expr value is cached */
    } u;
................................................................................
#define SF_MinMaxAgg      0x01000  /* Aggregate containing min() or max() */
#define SF_Recursive      0x02000  /* The recursive part of a recursive CTE */
#define SF_FixedLimit     0x04000  /* nSelectRow set by a constant LIMIT */
#define SF_MaybeConvert   0x08000  /* Need convertCompoundSelectToSubquery() */
#define SF_Converted      0x10000  /* By convertCompoundSelectToSubquery() */
#define SF_IncludeHidden  0x20000  /* Include hidden columns in output */
#define SF_ComplexResult  0x40000  /* Result contains subquery or function */


/*
** The results of a SELECT can be distributed in several ways, as defined
** by one of the following macros.  The "SRT" prefix means "SELECT Result
** Type".
**
**     SRT_Union       Store results as a key in a temporary index
................................................................................
/*
** Structure containing global configuration data for the SQLite library.
**
** This structure also contains some state information.
*/
struct Sqlite3Config {
  int bMemstat;                     /* True to enable memory status */
  int bCoreMutex;                   /* True to enable core mutexing */
  int bFullMutex;                   /* True to enable full mutexing */
  int bOpenUri;                     /* True to interpret filenames as URIs */
  int bUseCis;                      /* Use covering indices for full-scans */
  int bSmallMalloc;                 /* Avoid large memory allocations if true */

  int mxStrlen;                     /* Maximum string length */
  int neverCorrupt;                 /* Database is always well-formed */
  int szLookaside;                  /* Default lookaside buffer size */
  int nLookaside;                   /* Default lookaside buffer count */
  int nStmtSpill;                   /* Stmt-journal spill-to-disk threshold */
  sqlite3_mem_methods m;            /* Low-level memory allocation interface */
  sqlite3_mutex_methods mutex;      /* Low-level mutex interface */
................................................................................
#ifndef SQLITE_UNTESTABLE
  int (*xTestCallback)(int);        /* Invoked by sqlite3FaultSim() */
#endif
  int bLocaltimeFault;              /* True to fail localtime() calls */
  int bInternalFunctions;           /* Internal SQL functions are visible */
  int iOnceResetThreshold;          /* When to reset OP_Once counters */
  u32 szSorterRef;                  /* Min size in bytes to use sorter-refs */

};

/*
** This macro is used inside of assert() statements to indicate that
** the assert is only valid on a well-formed database.  Instead of:
**
**     assert( X );
................................................................................
struct TreeView {
  int iLevel;             /* Which level of the tree we are on */
  u8  bLine[100];         /* Draw vertical in column i if bLine[i] is true */
};
#endif /* SQLITE_DEBUG */

/*
** This object is used in various ways, all related to window functions

**
**   (1) A single instance of this structure is attached to the
**       the Expr.pWin field for each window function in an expression tree.
**       This object holds the information contained in the OVER clause,
**       plus additional fields used during code generation.
**
**   (2) All window functions in a single SELECT form a linked-list
**       attached to Select.pWin.  The Window.pFunc and Window.pExpr
**       fields point back to the expression that is the window function.
**
**   (3) The terms of the WINDOW clause of a SELECT are instances of this
**       object on a linked list attached to Select.pWinDefn.
**




** The uses (1) and (2) are really the same Window object that just happens
** to be accessible in two different ways.  Use case (3) are separate objects.
*/
struct Window {
  char *zName;            /* Name of window (may be NULL) */
  char *zBase;            /* Name of base window for chaining (may be NULL) */
  ExprList *pPartition;   /* PARTITION BY clause */
................................................................................
  u8 eFrmType;            /* TK_RANGE, TK_GROUPS, TK_ROWS, or 0 */
  u8 eStart;              /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
  u8 eEnd;                /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
  u8 bImplicitFrame;      /* True if frame was implicitly specified */
  u8 eExclude;            /* TK_NO, TK_CURRENT, TK_TIES, TK_GROUP, or 0 */
  Expr *pStart;           /* Expression for "<expr> PRECEDING" */
  Expr *pEnd;             /* Expression for "<expr> FOLLOWING" */

  Window *pNextWin;       /* Next window function belonging to this SELECT */
  Expr *pFilter;          /* The FILTER expression */
  FuncDef *pFunc;         /* The function */
  int iEphCsr;            /* Partition buffer or Peer buffer */
  int regAccum;
  int regResult;
  int csrApp;             /* Function cursor (used by min/max) */
................................................................................
  int regOne;             /* Register containing constant value 1 */
  int regStartRowid;
  int regEndRowid;
};

#ifndef SQLITE_OMIT_WINDOWFUNC
SQLITE_PRIVATE void sqlite3WindowDelete(sqlite3*, Window*);

SQLITE_PRIVATE void sqlite3WindowListDelete(sqlite3 *db, Window *p);
SQLITE_PRIVATE Window *sqlite3WindowAlloc(Parse*, int, int, Expr*, int , Expr*, u8);
SQLITE_PRIVATE void sqlite3WindowAttach(Parse*, Expr*, Window*);

SQLITE_PRIVATE int sqlite3WindowCompare(Parse*, Window*, Window*);
SQLITE_PRIVATE void sqlite3WindowCodeInit(Parse*, Window*);
SQLITE_PRIVATE void sqlite3WindowCodeStep(Parse*, Select*, WhereInfo*, int, int);
SQLITE_PRIVATE int sqlite3WindowRewrite(Parse*, Select*);
SQLITE_PRIVATE int sqlite3ExpandSubquery(Parse*, struct SrcList_item*);
SQLITE_PRIVATE void sqlite3WindowUpdate(Parse*, Window*, Window*, FuncDef*);
SQLITE_PRIVATE Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p);
SQLITE_PRIVATE Window *sqlite3WindowListDup(sqlite3 *db, Window *p);
................................................................................
SQLITE_PRIVATE Expr *sqlite3ExprSimplifiedAndOr(Expr*);
SQLITE_PRIVATE Expr *sqlite3ExprFunction(Parse*,ExprList*, Token*, int);
SQLITE_PRIVATE void sqlite3ExprAssignVarNumber(Parse*, Expr*, u32);
SQLITE_PRIVATE void sqlite3ExprDelete(sqlite3*, Expr*);
SQLITE_PRIVATE void sqlite3ExprUnmapAndDelete(Parse*, Expr*);
SQLITE_PRIVATE ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*);
SQLITE_PRIVATE ExprList *sqlite3ExprListAppendVector(Parse*,ExprList*,IdList*,Expr*);
SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList*,int);
SQLITE_PRIVATE void sqlite3ExprListSetName(Parse*,ExprList*,Token*,int);
SQLITE_PRIVATE void sqlite3ExprListSetSpan(Parse*,ExprList*,const char*,const char*);
SQLITE_PRIVATE void sqlite3ExprListDelete(sqlite3*, ExprList*);
SQLITE_PRIVATE u32 sqlite3ExprListFlags(const ExprList*);
SQLITE_PRIVATE int sqlite3IndexHasDuplicateRootPage(Index*);
SQLITE_PRIVATE int sqlite3Init(sqlite3*, char**);
SQLITE_PRIVATE int sqlite3InitCallback(void*, int, char**, char**);
................................................................................
#endif
SQLITE_PRIVATE void sqlite3ResetAllSchemasOfConnection(sqlite3*);
SQLITE_PRIVATE void sqlite3ResetOneSchema(sqlite3*,int);
SQLITE_PRIVATE void sqlite3CollapseDatabaseArray(sqlite3*);
SQLITE_PRIVATE void sqlite3CommitInternalChanges(sqlite3*);
SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3*,Table*);
SQLITE_PRIVATE int sqlite3ColumnsFromExprList(Parse*,ExprList*,i16*,Column**);
SQLITE_PRIVATE void sqlite3SelectAddColumnTypeAndCollation(Parse*,Table*,Select*);
SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse*,Select*);
SQLITE_PRIVATE void sqlite3OpenMasterTable(Parse *, int);
SQLITE_PRIVATE Index *sqlite3PrimaryKeyIndex(Table*);
SQLITE_PRIVATE i16 sqlite3ColumnOfIndex(Index*, i16);
SQLITE_PRIVATE void sqlite3StartTable(Parse*,Token*,Token*,int,int,int,int);
#if SQLITE_ENABLE_HIDDEN_COLUMNS
SQLITE_PRIVATE   void sqlite3ColumnPropertiesFromName(Table*, Column*);
#else
................................................................................
SQLITE_PRIVATE u32 sqlite3Utf8Read(const u8**);
SQLITE_PRIVATE LogEst sqlite3LogEst(u64);
SQLITE_PRIVATE LogEst sqlite3LogEstAdd(LogEst,LogEst);
#ifndef SQLITE_OMIT_VIRTUALTABLE
SQLITE_PRIVATE LogEst sqlite3LogEstFromDouble(double);
#endif
#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \
    defined(SQLITE_ENABLE_STAT3_OR_STAT4) || \
    defined(SQLITE_EXPLAIN_ESTIMATED_ROWS)
SQLITE_PRIVATE u64 sqlite3LogEstToInt(LogEst);
#endif
SQLITE_PRIVATE VList *sqlite3VListAdd(sqlite3*,VList*,const char*,int,int);
SQLITE_PRIVATE const char *sqlite3VListNumToName(VList*,int);
SQLITE_PRIVATE int sqlite3VListNameToNum(VList*,const char*,int);

................................................................................
SQLITE_PRIVATE CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName);
SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr);
SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, Expr *pExpr);
SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse*,Expr*,Expr*);
SQLITE_PRIVATE Expr *sqlite3ExprAddCollateToken(Parse *pParse, Expr*, const Token*, int);
SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(Parse*,Expr*,const char*);
SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr*);

SQLITE_PRIVATE int sqlite3CheckCollSeq(Parse *, CollSeq *);
SQLITE_PRIVATE int sqlite3WritableSchema(sqlite3*);
SQLITE_PRIVATE int sqlite3CheckObjectName(Parse *, const char *);
SQLITE_PRIVATE void sqlite3VdbeSetChanges(sqlite3 *, int);
SQLITE_PRIVATE int sqlite3AddInt64(i64*,i64);
SQLITE_PRIVATE int sqlite3SubInt64(i64*,i64);
SQLITE_PRIVATE int sqlite3MulInt64(i64*,i64);
SQLITE_PRIVATE int sqlite3AbsInt32(int);
#ifdef SQLITE_ENABLE_8_3_NAMES
SQLITE_PRIVATE void sqlite3FileSuffix3(const char*, char*);
................................................................................
SQLITE_PRIVATE Schema *sqlite3SchemaGet(sqlite3 *, Btree *);
SQLITE_PRIVATE int sqlite3SchemaToIndex(sqlite3 *db, Schema *);
SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoAlloc(sqlite3*,int,int);
SQLITE_PRIVATE void sqlite3KeyInfoUnref(KeyInfo*);
SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoRef(KeyInfo*);
SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoOfIndex(Parse*, Index*);
SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoFromExprList(Parse*, ExprList*, int, int);


#ifdef SQLITE_DEBUG
SQLITE_PRIVATE int sqlite3KeyInfoIsWriteable(KeyInfo*);
#endif
SQLITE_PRIVATE int sqlite3CreateFunc(sqlite3 *, const char *, int, int, void *,
  void (*)(sqlite3_context*,int,sqlite3_value **),
  void (*)(sqlite3_context*,int,sqlite3_value **), 
................................................................................

#ifndef SQLITE_OMIT_SUBQUERY
SQLITE_PRIVATE int sqlite3ExprCheckIN(Parse*, Expr*);
#else
# define sqlite3ExprCheckIN(x,y) SQLITE_OK
#endif

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
SQLITE_PRIVATE void sqlite3AnalyzeFunctions(void);
SQLITE_PRIVATE int sqlite3Stat4ProbeSetValue(
    Parse*,Index*,UnpackedRecord**,Expr*,int,int,int*);
SQLITE_PRIVATE int sqlite3Stat4ValueFromExpr(Parse*, Expr*, u8, sqlite3_value**);
SQLITE_PRIVATE void sqlite3Stat4ProbeFree(UnpackedRecord*);
SQLITE_PRIVATE int sqlite3Stat4Column(sqlite3*, const void*, int, int, sqlite3_value**);
SQLITE_PRIVATE char sqlite3IndexColumnAffinity(sqlite3*, Index*, int);
#endif
................................................................................
#  define sqlite3VtabClear(Y)
#  define sqlite3VtabSync(X,Y) SQLITE_OK
#  define sqlite3VtabRollback(X)
#  define sqlite3VtabCommit(X)
#  define sqlite3VtabInSync(db) 0
#  define sqlite3VtabLock(X)
#  define sqlite3VtabUnlock(X)

#  define sqlite3VtabUnlockList(X)
#  define sqlite3VtabSavepoint(X, Y, Z) SQLITE_OK
#  define sqlite3GetVTable(X,Y)  ((VTable*)0)
#else
SQLITE_PRIVATE    void sqlite3VtabClear(sqlite3 *db, Table*);
SQLITE_PRIVATE    void sqlite3VtabDisconnect(sqlite3 *db, Table *p);
SQLITE_PRIVATE    int sqlite3VtabSync(sqlite3 *db, Vdbe*);
SQLITE_PRIVATE    int sqlite3VtabRollback(sqlite3 *db);
SQLITE_PRIVATE    int sqlite3VtabCommit(sqlite3 *db);
SQLITE_PRIVATE    void sqlite3VtabLock(VTable *);
SQLITE_PRIVATE    void sqlite3VtabUnlock(VTable *);

SQLITE_PRIVATE    void sqlite3VtabUnlockList(sqlite3*);
SQLITE_PRIVATE    int sqlite3VtabSavepoint(sqlite3 *, int, int);
SQLITE_PRIVATE    void sqlite3VtabImportErrmsg(Vdbe*, sqlite3_vtab*);
SQLITE_PRIVATE    VTable *sqlite3GetVTable(sqlite3*, Table*);
SQLITE_PRIVATE    Module *sqlite3VtabCreateModule(
     sqlite3*,
     const char*,
................................................................................
SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config = {
   SQLITE_DEFAULT_MEMSTATUS,  /* bMemstat */
   1,                         /* bCoreMutex */
   SQLITE_THREADSAFE==1,      /* bFullMutex */
   SQLITE_USE_URI,            /* bOpenUri */
   SQLITE_ALLOW_COVERING_INDEX_SCAN,   /* bUseCis */
   0,                         /* bSmallMalloc */

   0x7ffffffe,                /* mxStrlen */
   0,                         /* neverCorrupt */
   SQLITE_DEFAULT_LOOKASIDE,  /* szLookaside, nLookaside */
   SQLITE_STMTJRNL_SPILL,     /* nStmtSpill */
   {0,0,0,0,0,0,0,0},         /* m */
   {0,0,0,0,0,0,0,0,0},       /* mutex */
   {0,0,0,0,0,0,0,0,0,0,0,0,0},/* pcache2 */
................................................................................
#ifndef SQLITE_UNTESTABLE
   0,                         /* xTestCallback */
#endif
   0,                         /* bLocaltimeFault */
   0,                         /* bInternalFunctions */
   0x7ffffffe,                /* iOnceResetThreshold */
   SQLITE_DEFAULT_SORTERREF_SIZE,   /* szSorterRef */

};

/*
** Hash table for global functions - functions common to all
** database connections.  After initialization, this table is
** read-only.
*/
................................................................................
SQLITE_PRIVATE void sqlite3VdbeError(Vdbe*, const char *, ...);
SQLITE_PRIVATE void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*);
void sqliteVdbePopStack(Vdbe*,int);
SQLITE_PRIVATE int sqlite3VdbeCursorMoveto(VdbeCursor**, int*);
SQLITE_PRIVATE int sqlite3VdbeCursorRestore(VdbeCursor*);
SQLITE_PRIVATE u32 sqlite3VdbeSerialTypeLen(u32);
SQLITE_PRIVATE u8 sqlite3VdbeOneByteSerialTypeLen(u8);
SQLITE_PRIVATE u32 sqlite3VdbeSerialType(Mem*, int, u32*);
SQLITE_PRIVATE u32 sqlite3VdbeSerialPut(unsigned char*, Mem*, u32);
SQLITE_PRIVATE u32 sqlite3VdbeSerialGet(const unsigned char*, u32, Mem*);
SQLITE_PRIVATE void sqlite3VdbeDeleteAuxData(sqlite3*, AuxData**, int, int);

int sqlite2BtreeKeyCompare(BtCursor *, const void *, int, int, int *);
SQLITE_PRIVATE int sqlite3VdbeIdxKeyCompare(sqlite3*,VdbeCursor*,UnpackedRecord*,int*);
SQLITE_PRIVATE int sqlite3VdbeIdxRowid(sqlite3*, BtCursor*, i64*);
................................................................................
  return pVfs->xDlSym(pVfs, pHdle, zSym);
}
SQLITE_PRIVATE void sqlite3OsDlClose(sqlite3_vfs *pVfs, void *pHandle){
  pVfs->xDlClose(pVfs, pHandle);
}
#endif /* SQLITE_OMIT_LOAD_EXTENSION */
SQLITE_PRIVATE int sqlite3OsRandomness(sqlite3_vfs *pVfs, int nByte, char *zBufOut){






  return pVfs->xRandomness(pVfs, nByte, zBufOut);


}
SQLITE_PRIVATE int sqlite3OsSleep(sqlite3_vfs *pVfs, int nMicro){
  return pVfs->xSleep(pVfs, nMicro);
}
SQLITE_PRIVATE int sqlite3OsGetLastError(sqlite3_vfs *pVfs){
  return pVfs->xGetLastError ? pVfs->xGetLastError(pVfs, 0, 0) : 0;
}
................................................................................
  pView = sqlite3TreeViewPush(pView, moreToFollow);
  if( p->pWith ){
    sqlite3TreeViewWith(pView, p->pWith, 1);
    cnt = 1;
    sqlite3TreeViewPush(pView, 1);
  }
  do{



    sqlite3TreeViewLine(pView,
      "SELECT%s%s (%u/%p) selFlags=0x%x nSelectRow=%d",
      ((p->selFlags & SF_Distinct) ? " DISTINCT" : ""),
      ((p->selFlags & SF_Aggregate) ? " agg_flag" : ""),
      p->selId, p, p->selFlags,
      (int)p->nSelectRow
    );

    if( cnt++ ) sqlite3TreeViewPop(pView);
    if( p->pPrior ){
      n = 1000;
    }else{
      n = 0;
      if( p->pSrc && p->pSrc->nSrc ) n++;
      if( p->pWhere ) n++;
................................................................................
      if( p->pOrderBy ) n++;
      if( p->pLimit ) n++;
#ifndef SQLITE_OMIT_WINDOWFUNC
      if( p->pWin ) n++;
      if( p->pWinDefn ) n++;
#endif
    }

    sqlite3TreeViewExprList(pView, p->pEList, (n--)>0, "result-set");


#ifndef SQLITE_OMIT_WINDOWFUNC
    if( p->pWin ){
      Window *pX;
      pView = sqlite3TreeViewPush(pView, (n--)>0);
      sqlite3TreeViewLine(pView, "window-functions");
      for(pX=p->pWin; pX; pX=pX->pNextWin){
        sqlite3TreeViewWinFunc(pView, pX, pX->pNextWin!=0);
................................................................................
  char zFlgs[60];
  pView = sqlite3TreeViewPush(pView, moreToFollow);
  if( pExpr==0 ){
    sqlite3TreeViewLine(pView, "nil");
    sqlite3TreeViewPop(pView);
    return;
  }
  if( pExpr->flags ){
    if( ExprHasProperty(pExpr, EP_FromJoin) ){
      sqlite3_snprintf(sizeof(zFlgs),zFlgs,"  flags=0x%x iRJT=%d",

                       pExpr->flags, pExpr->iRightJoinTable);
    }else{
      sqlite3_snprintf(sizeof(zFlgs),zFlgs,"  flags=0x%x",pExpr->flags);

    }
  }else{
    zFlgs[0] = 0;
  }
  switch( pExpr->op ){
    case TK_AGG_COLUMN: {
      sqlite3TreeViewLine(pView, "AGG{%d:%d}%s",
................................................................................
#ifndef SQLITE_OMIT_WINDOWFUNC
        pWin = pExpr->y.pWin;
#else
        pWin = 0;
#endif 
      }
      if( pExpr->op==TK_AGG_FUNCTION ){
        sqlite3TreeViewLine(pView, "AGG_FUNCTION%d %Q",
                             pExpr->op2, pExpr->u.zToken);
      }else{
        sqlite3TreeViewLine(pView, "FUNCTION %Q", pExpr->u.zToken);
      }
      if( pFarg ){
        sqlite3TreeViewExprList(pView, pFarg, pWin!=0, 0);
      }
#ifndef SQLITE_OMIT_WINDOWFUNC
      if( pWin ){
        sqlite3TreeViewWindow(pView, pWin, 0);
................................................................................
      sqlite3TreeViewExpr(pView, pExpr->pLeft, 1);
      sqlite3TreeViewExprList(pView, pExpr->x.pList, 0, 0);
      break;
    }
#ifndef SQLITE_OMIT_TRIGGER
    case TK_RAISE: {
      const char *zType = "unk";
      switch( pExpr->affinity ){
        case OE_Rollback:   zType = "rollback";  break;
        case OE_Abort:      zType = "abort";     break;
        case OE_Fail:       zType = "fail";      break;
        case OE_Ignore:     zType = "ignore";    break;
      }
      sqlite3TreeViewLine(pView, "RAISE %s(%Q)", zType, pExpr->u.zToken);
      break;
................................................................................
  }
  if( zBinOp ){
    sqlite3TreeViewLine(pView, "%s%s", zBinOp, zFlgs);
    sqlite3TreeViewExpr(pView, pExpr->pLeft, 1);
    sqlite3TreeViewExpr(pView, pExpr->pRight, 0);
  }else if( zUniOp ){
    sqlite3TreeViewLine(pView, "%s%s", zUniOp, zFlgs);
    sqlite3TreeViewExpr(pView, pExpr->pLeft, 0);
  }
  sqlite3TreeViewPop(pView);
}


/*
** Generate a human-readable explanation of an expression list.
................................................................................
  memcpy(&a, &x, 8);
  e = (a>>52) - 1022;
  return e*10;
}
#endif /* SQLITE_OMIT_VIRTUALTABLE */

#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \
    defined(SQLITE_ENABLE_STAT3_OR_STAT4) || \
    defined(SQLITE_EXPLAIN_ESTIMATED_ROWS)
/*
** Convert a LogEst into an integer.
**
** Note that this routine is only used when one or more of various
** non-standard compile-time options is enabled.
*/
................................................................................
  x /= 10;
  if( n>=5 ) n -= 2;
  else if( n>=1 ) n -= 1;
#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \
    defined(SQLITE_EXPLAIN_ESTIMATED_ROWS)
  if( x>60 ) return (u64)LARGEST_INT64;
#else
  /* If only SQLITE_ENABLE_STAT3_OR_STAT4 is on, then the largest input
  ** possible to this routine is 310, resulting in a maximum x of 31 */
  assert( x<=60 );
#endif
  return x>=3 ? (n+8)<<(x-3) : (n+8)>>(3-x);
}
#endif /* defined SCANSTAT or STAT4 or ESTIMATED_ROWS */

................................................................................
    /*  89 */ "Offset"           OpHelp("r[P3] = sqlite_offset(P1)"),
    /*  90 */ "Column"           OpHelp("r[P3]=PX"),
    /*  91 */ "Affinity"         OpHelp("affinity(r[P1@P2])"),
    /*  92 */ "MakeRecord"       OpHelp("r[P3]=mkrec(r[P1@P2])"),
    /*  93 */ "Count"            OpHelp("r[P2]=count()"),
    /*  94 */ "ReadCookie"       OpHelp(""),
    /*  95 */ "SetCookie"        OpHelp(""),
    /*  96 */ "BitAnd"           OpHelp("r[P3]=r[P1]&r[P2]"),
    /*  97 */ "BitOr"            OpHelp("r[P3]=r[P1]|r[P2]"),
    /*  98 */ "ShiftLeft"        OpHelp("r[P3]=r[P2]<<r[P1]"),
    /*  99 */ "ShiftRight"       OpHelp("r[P3]=r[P2]>>r[P1]"),
    /* 100 */ "Add"              OpHelp("r[P3]=r[P1]+r[P2]"),
    /* 101 */ "Subtract"         OpHelp("r[P3]=r[P2]-r[P1]"),
    /* 102 */ "Multiply"         OpHelp("r[P3]=r[P1]*r[P2]"),
    /* 103 */ "Divide"           OpHelp("r[P3]=r[P2]/r[P1]"),
    /* 104 */ "Remainder"        OpHelp("r[P3]=r[P2]%r[P1]"),
    /* 105 */ "Concat"           OpHelp("r[P3]=r[P2]+r[P1]"),
    /* 106 */ "ReopenIdx"        OpHelp("root=P2 iDb=P3"),
    /* 107 */ "BitNot"           OpHelp("r[P2]= ~r[P1]"),
    /* 108 */ "OpenRead"         OpHelp("root=P2 iDb=P3"),
    /* 109 */ "OpenWrite"        OpHelp("root=P2 iDb=P3"),
    /* 110 */ "String8"          OpHelp("r[P2]='P4'"),
    /* 111 */ "OpenDup"          OpHelp(""),
    /* 112 */ "OpenAutoindex"    OpHelp("nColumn=P2"),
    /* 113 */ "OpenEphemeral"    OpHelp("nColumn=P2"),
    /* 114 */ "SorterOpen"       OpHelp(""),
    /* 115 */ "SequenceTest"     OpHelp("if( cursor[P1].ctr++ ) pc = P2"),
    /* 116 */ "OpenPseudo"       OpHelp("P3 columns in r[P2]"),
    /* 117 */ "Close"            OpHelp(""),
    /* 118 */ "ColumnsUsed"      OpHelp(""),
    /* 119 */ "SeekHit"          OpHelp("seekHit=P2"),
    /* 120 */ "Sequence"         OpHelp("r[P2]=cursor[P1].ctr++"),
................................................................................
    /* 138 */ "ResetSorter"      OpHelp(""),
    /* 139 */ "CreateBtree"      OpHelp("r[P2]=root iDb=P1 flags=P3"),
    /* 140 */ "SqlExec"          OpHelp(""),
    /* 141 */ "ParseSchema"      OpHelp(""),
    /* 142 */ "LoadAnalysis"     OpHelp(""),
    /* 143 */ "DropTable"        OpHelp(""),
    /* 144 */ "DropIndex"        OpHelp(""),
    /* 145 */ "Real"             OpHelp("r[P2]=P4"),
    /* 146 */ "DropTrigger"      OpHelp(""),
    /* 147 */ "IntegrityCk"      OpHelp(""),
    /* 148 */ "RowSetAdd"        OpHelp("rowset(P1)=r[P2]"),

    /* 149 */ "Param"            OpHelp(""),
    /* 150 */ "FkCounter"        OpHelp("fkctr[P1]+=P2"),
    /* 151 */ "MemMax"           OpHelp("r[P1]=max(r[P1],r[P2])"),
    /* 152 */ "OffsetLimit"      OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"),
    /* 153 */ "AggInverse"       OpHelp("accum=r[P3] inverse(r[P2@P5])"),
    /* 154 */ "AggStep"          OpHelp("accum=r[P3] step(r[P2@P5])"),
    /* 155 */ "AggStep1"         OpHelp("accum=r[P3] step(r[P2@P5])"),
................................................................................
  { "lstat",         (sqlite3_syscall_ptr)0,              0 },
#endif
#define osLstat      ((int(*)(const char*,struct stat*))aSyscall[27].pCurrent)

#if defined(__linux__) && defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE)
# ifdef __ANDROID__
  { "ioctl", (sqlite3_syscall_ptr)(int(*)(int, int, ...))ioctl, 0 },

# else
  { "ioctl",         (sqlite3_syscall_ptr)ioctl,          0 },

# endif
#else
  { "ioctl",         (sqlite3_syscall_ptr)0,              0 },
#endif
#define osIoctl ((int(*)(int,int,...))aSyscall[28].pCurrent)

}; /* End of the overrideable system calls */


/*
** On some systems, calls to fchown() will trigger a message in a security
** log if they come from non-root processes.  So avoid calling fchown() if
................................................................................
                     || pInode->fileId.ino!=(u64)sStat.st_ino) ){
       pInode = pInode->pNext;
    }
    if( pInode ){
      UnixUnusedFd **pp;
      assert( sqlite3_mutex_notheld(pInode->pLockMutex) );
      sqlite3_mutex_enter(pInode->pLockMutex);

      for(pp=&pInode->pUnused; *pp && (*pp)->flags!=flags; pp=&((*pp)->pNext));
      pUnused = *pp;
      if( pUnused ){
        *pp = pUnused->pNext;
      }
      sqlite3_mutex_leave(pInode->pLockMutex);
    }
................................................................................
  assert( fd>=0 );
  if( pOutFlags ){
    *pOutFlags = flags;
  }

  if( p->pPreallocatedUnused ){
    p->pPreallocatedUnused->fd = fd;
    p->pPreallocatedUnused->flags = flags;

  }

  if( isDelete ){
#if OS_VXWORKS
    zPath = zName;
#elif defined(SQLITE_UNLINK_AFTER_CLOSE)
    zPath = sqlite3_mprintf("%s", zName);
................................................................................
      }
      return rc;
    }
    default: {
      assert( 0 );  /* The call assures that only valid opcodes are sent */
    }
  }
  /*NOTREACHED*/
  return SQLITE_ERROR;
}

/*
** Within this division (the proxying locking implementation) the procedures
** above this point are all utilities.  The lock-related methods of the
** proxy-locking sqlite3_io_method object follow.
................................................................................
  DWORD flags = FILE_MAP_WRITE | FILE_MAP_READ;
  int rc = SQLITE_OK;

  if( !pShm ){
    rc = winOpenSharedMemory(pDbFd);
    if( rc!=SQLITE_OK ) return rc;
    pShm = pDbFd->pShm;

  }
  pShmNode = pShm->pShmNode;

  sqlite3_mutex_enter(pShmNode->mutex);
  if( pShmNode->isUnlocked ){
    rc = winLockSharedMemory(pShmNode);
    if( rc!=SQLITE_OK ) goto shmpage_out;
................................................................................
      if( rc!=SQLITE_OK ){
        OSTRACE(("FETCH pid=%lu, pFile=%p, rc=%s\n",
                 osGetCurrentProcessId(), pFd, sqlite3ErrName(rc)));
        return rc;
      }
    }
    if( pFd->mmapSize >= iOff+nAmt ){

      *pp = &((u8 *)pFd->pMapRegion)[iOff];
      pFd->nFetchOut++;
    }
  }
#endif

  OSTRACE(("FETCH pid=%lu, pFile=%p, pp=%p, *pp=%p, rc=SQLITE_OK\n",
................................................................................
*/
SQLITE_PRIVATE int sqlite3PcacheInitialize(void){
  if( sqlite3GlobalConfig.pcache2.xInit==0 ){
    /* IMPLEMENTATION-OF: R-26801-64137 If the xInit() method is NULL, then the
    ** built-in default page cache is used instead of the application defined
    ** page cache. */
    sqlite3PCacheSetDefault();

  }
  return sqlite3GlobalConfig.pcache2.xInit(sqlite3GlobalConfig.pcache2.pArg);
}
SQLITE_PRIVATE void sqlite3PcacheShutdown(void){
  if( sqlite3GlobalConfig.pcache2.xShutdown ){
    /* IMPLEMENTATION-OF: R-26000-56589 The xShutdown() method may be NULL. */
    sqlite3GlobalConfig.pcache2.xShutdown(sqlite3GlobalConfig.pcache2.pArg);
................................................................................
*/
static PgHdr1 *pcache1AllocPage(PCache1 *pCache, int benignMalloc){
  PgHdr1 *p = 0;
  void *pPg;

  assert( sqlite3_mutex_held(pCache->pGroup->mutex) );
  if( pCache->pFree || (pCache->nPage==0 && pcache1InitBulk(pCache)) ){

    p = pCache->pFree;
    pCache->pFree = p->pNext;
    p->pNext = 0;
  }else{
#ifdef SQLITE_ENABLE_MEMORY_MANAGEMENT
    /* The group mutex must be released before pcache1Alloc() is called. This
    ** is because it might call sqlite3_release_memory(), which assumes that 
................................................................................
      bSync = (w.iSyncPoint==iOffset);
      testcase( bSync );
      while( iOffset<w.iSyncPoint ){
        rc = walWriteOneFrame(&w, pLast, nTruncate, iOffset);
        if( rc ) return rc;
        iOffset += szFrame;
        nExtra++;

      }
    }
    if( bSync ){
      assert( rc==SQLITE_OK );
      rc = sqlite3OsSync(w.pFd, WAL_SYNC_FLAGS(sync_flags));
    }
  }
................................................................................
  */
  iFrame = pWal->hdr.mxFrame;
  for(p=pList; p && rc==SQLITE_OK; p=p->pDirty){
    if( (p->flags & PGHDR_WAL_APPEND)==0 ) continue;
    iFrame++;
    rc = walIndexAppend(pWal, iFrame, p->pgno);
  }

  while( rc==SQLITE_OK && nExtra>0 ){
    iFrame++;
    nExtra--;
    rc = walIndexAppend(pWal, iFrame, pLast->pgno);
  }

  if( rc==SQLITE_OK ){
................................................................................
  */
  testcase( gap+2==top );
  testcase( gap+1==top );
  testcase( gap==top );
  if( (data[hdr+2] || data[hdr+1]) && gap+2<=top ){
    u8 *pSpace = pageFindSlot(pPage, nByte, &rc);
    if( pSpace ){
      assert( pSpace>=data && (pSpace - data)<65536 );
      *pIdx = (int)(pSpace - data);


      return SQLITE_OK;

    }else if( rc ){
      return rc;
    }
  }

  /* The request could not be fulfilled using a freelist slot.  Check
  ** to see if defragmentation is necessary.
................................................................................
        ){
          sqlite3_file *fd = sqlite3PagerFile(pBt->pPager);
          u8 aSave[4];
          u8 *aWrite = &pBuf[-4];
          assert( aWrite>=pBufStart );                         /* due to (6) */
          memcpy(aSave, aWrite, 4);
          rc = sqlite3OsRead(fd, aWrite, a+4, (i64)pBt->pageSize*(nextPage-1));

          nextPage = get4byte(aWrite);
          memcpy(aWrite, aSave, 4);
        }else
#endif

        {
          DbPage *pDbPage;
................................................................................
  assert( *pRC==SQLITE_OK );
  assert( i>=0 && i<=pPage->nCell+pPage->nOverflow );
  assert( MX_CELL(pPage->pBt)<=10921 );
  assert( pPage->nCell<=MX_CELL(pPage->pBt) || CORRUPT_DB );
  assert( pPage->nOverflow<=ArraySize(pPage->apOvfl) );
  assert( ArraySize(pPage->apOvfl)==ArraySize(pPage->aiOvfl) );
  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  /* The cell should normally be sized correctly.  However, when moving a
  ** malformed cell from a leaf page to an interior page, if the cell size
  ** wanted to be less than 4 but got rounded up to 4 on the leaf, then size
  ** might be less than 8 (leaf-size + pointer) on the interior node.  Hence
  ** the term after the || in the following assert(). */
  assert( sz==pPage->xCellSize(pPage, pCell) || (sz==8 && iChild>0) );
  assert( pPage->nFree>=0 );
  if( pPage->nOverflow || sz+2>pPage->nFree ){
    if( pTemp ){
      memcpy(pTemp, pCell, sz);
      pCell = pTemp;
    }
    if( iChild ){
................................................................................
  u8 *pTmp = sqlite3PagerTempSpace(pPg->pBt->pPager);
  u8 *pData;
  int k;                          /* Current slot in pCArray->apEnd[] */
  u8 *pSrcEnd;                    /* Current pCArray->apEnd[k] value */

  assert( i<iEnd );
  j = get2byte(&aData[hdr+5]);
  if( NEVER(j>(u32)usableSize) ){ j = 0; }
  memcpy(&pTmp[j], &aData[j], usableSize - j);

  for(k=0; pCArray->ixNx[k]<=i && ALWAYS(k<NB*2); k++){}
  pSrcEnd = pCArray->apEnd[k];

  pData = pEnd;
  while( 1/*exit by break*/ ){
................................................................................
  assert( CORRUPT_DB || pPg->hdrOffset==0 );    /* Never called on page 1 */
  if( iEnd<=iFirst ) return 0;
  for(k=0; pCArray->ixNx[k]<=i && ALWAYS(k<NB*2); k++){}
  pEnd = pCArray->apEnd[k];
  while( 1 /*Exit by break*/ ){
    int sz, rc;
    u8 *pSlot;
    sz = cachedCellSize(pCArray, i);

    if( (aData[1]==0 && aData[2]==0) || (pSlot = pageFindSlot(pPg,sz,&rc))==0 ){
      if( (pData - pBegin)<sz ) return 1;
      pData -= sz;
      pSlot = pData;
    }
    /* pSlot and pCArray->apCell[i] will never overlap on a well-formed
    ** database.  But they might for a corrupt database.  Hence use memmove()
................................................................................
    int iCell = (iOld + pPg->aiOvfl[i]) - iNew;
    if( iCell>=0 && iCell<nNew ){
      pCellptr = &pPg->aCellIdx[iCell * 2];
      if( nCell>iCell ){
        memmove(&pCellptr[2], pCellptr, (nCell - iCell) * 2);
      }
      nCell++;

      if( pageInsertArray(
            pPg, pBegin, &pData, pCellptr,
            iCell+iNew, 1, pCArray
      ) ) goto editpage_fail;
    }
  }

................................................................................
    ** This must be done in advance.  Once the balance starts, the cell
    ** offset section of the btree page will be overwritten and we will no
    ** long be able to find the cells if a pointer to each cell is not saved
    ** first.
    */
    memset(&b.szCell[b.nCell], 0, sizeof(b.szCell[0])*(limit+pOld->nOverflow));
    if( pOld->nOverflow>0 ){
      if( limit<pOld->aiOvfl[0] ){
        rc = SQLITE_CORRUPT_BKPT;
        goto balance_cleanup;
      }
      limit = pOld->aiOvfl[0];
      for(j=0; j<limit; j++){
        b.apCell[b.nCell] = aData + (maskPage & get2byteAligned(piCell));
        piCell += 2;
................................................................................
    nNew>=4 ? apNew[3]->pgno : 0, nNew>=4 ? szNew[3] : 0,
    nNew>=4 ? cntNew[3] - cntNew[2] - !leafData : 0,
    nNew>=5 ? apNew[4]->pgno : 0, nNew>=5 ? szNew[4] : 0,
    nNew>=5 ? cntNew[4] - cntNew[3] - !leafData : 0
  ));

  assert( sqlite3PagerIswriteable(pParent->pDbPage) );


  put4byte(pRight, apNew[nNew-1]->pgno);

  /* If the sibling pages are not leaves, ensure that the right-child pointer
  ** of the right-most new sibling page is set to the value that was 
  ** originally in the same field of the right-most old sibling page. */
  if( (pageFlags & PTF_LEAF)==0 && nOld!=nNew ){
    MemPage *pOld = (nNew>nOld ? apNew : apOld)[nOld-1];
................................................................................
  u8 aBalanceQuickSpace[13];
  u8 *pFree = 0;

  VVA_ONLY( int balance_quick_called = 0 );
  VVA_ONLY( int balance_deeper_called = 0 );

  do {
    int iPage = pCur->iPage;
    MemPage *pPage = pCur->pPage;

    if( NEVER(pPage->nFree<0) && btreeComputeFreeSpace(pPage) ) break;
    if( iPage==0 ){


      if( pPage->nOverflow ){
        /* The root page of the b-tree is overfull. In this case call the
        ** balance_deeper() function to create a new child for the root-page
        ** and copy the current contents of the root-page to it. The
        ** next iteration of the do-loop will balance the child page.
        */ 
        assert( balance_deeper_called==0 );
................................................................................
          pCur->apPage[0] = pPage;
          pCur->pPage = pCur->apPage[1];
          assert( pCur->pPage->nOverflow );
        }
      }else{
        break;
      }
    }else if( pPage->nOverflow==0 && pPage->nFree<=nMin ){
      break;
    }else{
      MemPage * const pParent = pCur->apPage[iPage-1];
      int const iIdx = pCur->aiIdx[iPage-1];

      rc = sqlite3PagerWrite(pParent->pDbPage);
      if( rc==SQLITE_OK && pParent->nFree<0 ){
        rc = btreeComputeFreeSpace(pParent);
................................................................................
  int nTotal = pX->nData + pX->nZero; /* Total bytes of to write */
  int rc;                             /* Return code */
  MemPage *pPage = pCur->pPage;       /* Page being written */
  BtShared *pBt;                      /* Btree */
  Pgno ovflPgno;                      /* Next overflow page to write */
  u32 ovflPageSize;                   /* Size to write on overflow page */

  if( pCur->info.pPayload + pCur->info.nLocal > pPage->aDataEnd ){


    return SQLITE_CORRUPT_BKPT;
  }
  /* Overwrite the local portion first */
  rc = btreeOverwriteContent(pPage, pCur->info.pPayload, pX,
                             0, pCur->info.nLocal);
  if( rc ) return rc;
  if( pCur->info.nLocal==nTotal ) return SQLITE_OK;
................................................................................
      goto end_insert;
    }
    oldCell = findCell(pPage, idx);
    if( !pPage->leaf ){
      memcpy(newCell, oldCell, 4);
    }
    rc = clearCell(pPage, oldCell, &info);


    if( info.nSize==szNew && info.nLocal==info.nPayload 
     && (!ISAUTOVACUUM || szNew<pPage->minLocal)
    ){
      /* Overwrite the old cell with the new if they are the same size.
      ** We could also try to do this if the old cell is smaller, then add
      ** the leftover space to the free list.  But experiments show that
      ** doing that is no faster then skipping this optimization and just
      ** calling dropCell() and insertCell(). 
      **
      ** This optimization cannot be used on an autovacuum database if the
      ** new entry uses overflow pages, as the insertCell() call below is
      ** necessary to add the PTRMAP_OVERFLOW1 pointer-map entry.  */
      assert( rc==SQLITE_OK ); /* clearCell never fails when nLocal==nPayload */



      if( oldCell+szNew > pPage->aDataEnd ) return SQLITE_CORRUPT_BKPT;


      memcpy(oldCell, newCell, szNew);
      return SQLITE_OK;
    }
    dropCell(pPage, idx, info.nSize, &rc);
    if( rc ) goto end_insert;
  }else if( loc<0 && pPage->nCell>0 ){
    assert( pPage->leaf );
................................................................................

  /* Detach this backup from the source pager. */
  if( p->pDestDb ){
    p->pSrc->nBackup--;
  }
  if( p->isAttached ){
    pp = sqlite3PagerBackupPtr(sqlite3BtreePager(p->pSrc));

    while( *pp!=p ){
      pp = &(*pp)->pNext;

    }
    *pp = p->pNext;
  }

  /* If a transaction is still open on the Btree, roll it back. */
  sqlite3BtreeRollback(p->pDest, SQLITE_OK, 0);

................................................................................
** Otherwise, if the second argument is non-zero, then this function is 
** being called indirectly by sqlite3Stat4ProbeSetValue(). If it has not
** already been allocated, allocate the UnpackedRecord structure that 
** that function will return to its caller here. Then return a pointer to
** an sqlite3_value within the UnpackedRecord.a[] array.
*/
static sqlite3_value *valueNew(sqlite3 *db, struct ValueNewStat4Ctx *p){
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( p ){
    UnpackedRecord *pRec = p->ppRec[0];

    if( pRec==0 ){
      Index *pIdx = p->pIdx;      /* Index being probed */
      int nByte;                  /* Bytes of space to allocate */
      int i;                      /* Counter variable */
................................................................................
    }
  
    pRec->nField = p->iVal+1;
    return &pRec->aMem[p->iVal];
  }
#else
  UNUSED_PARAMETER(p);
#endif /* defined(SQLITE_ENABLE_STAT3_OR_STAT4) */
  return sqlite3ValueNew(db);
}

/*
** The expression object indicated by the second argument is guaranteed
** to be a scalar SQL function. If
**
................................................................................
** If the result is a text value, the sqlite3_value object uses encoding 
** enc.
**
** If the conditions above are not met, this function returns SQLITE_OK
** and sets (*ppVal) to NULL. Or, if an error occurs, (*ppVal) is set to
** NULL and an SQLite error code returned.
*/
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
static int valueFromFunction(
  sqlite3 *db,                    /* The database connection */
  Expr *p,                        /* The expression to evaluate */
  u8 enc,                         /* Encoding to use */
  u8 aff,                         /* Affinity to use */
  sqlite3_value **ppVal,          /* Write the new value here */
  struct ValueNewStat4Ctx *pCtx   /* Second argument for valueNew() */
................................................................................
  }

  *ppVal = pVal;
  return rc;
}
#else
# define valueFromFunction(a,b,c,d,e,f) SQLITE_OK
#endif /* defined(SQLITE_ENABLE_STAT3_OR_STAT4) */

/*
** Extract a value from the supplied expression in the manner described
** above sqlite3ValueFromExpr(). Allocate the sqlite3_value object
** using valueNew().
**
** If pCtx is NULL and an error occurs after the sqlite3_value object
................................................................................
  sqlite3_value *pVal = 0;
  int negInt = 1;
  const char *zNeg = "";
  int rc = SQLITE_OK;

  assert( pExpr!=0 );
  while( (op = pExpr->op)==TK_UPLUS || op==TK_SPAN ) pExpr = pExpr->pLeft;
#if defined(SQLITE_ENABLE_STAT3_OR_STAT4)
  if( op==TK_REGISTER ) op = pExpr->op2;
#else
  if( NEVER(op==TK_REGISTER) ) op = pExpr->op2;
#endif

  /* Compressed expressions only appear when parsing the DEFAULT clause
  ** on a table column definition, and hence only when pCtx==0.  This
................................................................................
    zVal = &pExpr->u.zToken[2];
    nVal = sqlite3Strlen30(zVal)-1;
    assert( zVal[nVal]=='\'' );
    sqlite3VdbeMemSetStr(pVal, sqlite3HexToBlob(db, zVal, nVal), nVal/2,
                         0, SQLITE_DYNAMIC);
  }
#endif
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  else if( op==TK_FUNCTION && pCtx!=0 ){
    rc = valueFromFunction(db, pExpr, enc, affinity, &pVal, pCtx);
  }
#endif
  else if( op==TK_TRUEFALSE ){
    pVal = valueNew(db, pCtx);
    if( pVal ){
................................................................................
    }
  }

  *ppVal = pVal;
  return rc;

no_mem:
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( pCtx==0 || pCtx->pParse->nErr==0 )
#endif
    sqlite3OomFault(db);
  sqlite3DbFree(db, zVal);
  assert( *ppVal==0 );
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( pCtx==0 ) sqlite3ValueFree(pVal);
#else
  assert( pCtx==0 ); sqlite3ValueFree(pVal);
#endif
  return SQLITE_NOMEM_BKPT;
}

................................................................................
  u8 enc,                   /* Encoding to use */
  u8 affinity,              /* Affinity to use */
  sqlite3_value **ppVal     /* Write the new value here */
){
  return pExpr ? valueFromExpr(db, pExpr, enc, affinity, ppVal, 0) : 0;
}

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** The implementation of the sqlite_record() function. This function accepts
** a single argument of any type. The return value is a formatted database 
** record (a blob) containing the argument value.
**
** This is used to convert the value stored in the 'sample' column of the
** sqlite_stat3 table to the record format SQLite uses internally.
*/
static void recordFunc(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  const int file_format = 1;
  u32 iSerial;                    /* Serial type */
  int nSerial;                    /* Bytes of space for iSerial as varint */
  u32 nVal;                       /* Bytes of space required for argv[0] */
  int nRet;
  sqlite3 *db;
  u8 *aRet;

  UNUSED_PARAMETER( argc );
  iSerial = sqlite3VdbeSerialType(argv[0], file_format, &nVal);
  nSerial = sqlite3VarintLen(iSerial);
  db = sqlite3_context_db_handle(context);

  nRet = 1 + nSerial + nVal;
  aRet = sqlite3DbMallocRawNN(db, nRet);
  if( aRet==0 ){
    sqlite3_result_error_nomem(context);
  }else{
    aRet[0] = nSerial+1;
    putVarint32(&aRet[1], iSerial);
    sqlite3VdbeSerialPut(&aRet[1+nSerial], argv[0], iSerial);
    sqlite3_result_blob(context, aRet, nRet, SQLITE_TRANSIENT);
    sqlite3DbFreeNN(db, aRet);
  }
}

/*
** Register built-in functions used to help read ANALYZE data.
*/
SQLITE_PRIVATE void sqlite3AnalyzeFunctions(void){
  static FuncDef aAnalyzeTableFuncs[] = {
    FUNCTION(sqlite_record,   1, 0, 0, recordFunc),
  };
  sqlite3InsertBuiltinFuncs(aAnalyzeTableFuncs, ArraySize(aAnalyzeTableFuncs));
}

/*
** Attempt to extract a value from pExpr and use it to construct *ppVal.
**
** If pAlloc is not NULL, then an UnpackedRecord object is created for
** pAlloc if one does not exist and the new value is added to the
** UnpackedRecord object.
**
................................................................................
#endif


/*
** Change the value of the opcode, or P1, P2, P3, or P5 operands
** for a specific instruction.
*/
SQLITE_PRIVATE void sqlite3VdbeChangeOpcode(Vdbe *p, u32 addr, u8 iNewOpcode){
  sqlite3VdbeGetOp(p,addr)->opcode = iNewOpcode;
}
SQLITE_PRIVATE void sqlite3VdbeChangeP1(Vdbe *p, u32 addr, int val){
  sqlite3VdbeGetOp(p,addr)->p1 = val;
}
SQLITE_PRIVATE void sqlite3VdbeChangeP2(Vdbe *p, u32 addr, int val){
  sqlite3VdbeGetOp(p,addr)->p2 = val;
}
SQLITE_PRIVATE void sqlite3VdbeChangeP3(Vdbe *p, u32 addr, int val){
  sqlite3VdbeGetOp(p,addr)->p3 = val;
}
SQLITE_PRIVATE void sqlite3VdbeChangeP5(Vdbe *p, u16 p5){
  assert( p->nOp>0 || p->db->mallocFailed );
  if( p->nOp>0 ) p->aOp[p->nOp-1].p5 = p5;
}

................................................................................
  StrAccum x;
  assert( nTemp>=20 );
  sqlite3StrAccumInit(&x, 0, zTemp, nTemp, 0);
  switch( pOp->p4type ){
    case P4_KEYINFO: {
      int j;
      KeyInfo *pKeyInfo = pOp->p4.pKeyInfo;
      assert( pKeyInfo->aSortOrder!=0 );
      sqlite3_str_appendf(&x, "k(%d", pKeyInfo->nKeyField);
      for(j=0; j<pKeyInfo->nKeyField; j++){
        CollSeq *pColl = pKeyInfo->aColl[j];
        const char *zColl = pColl ? pColl->zName : "";
        if( strcmp(zColl, "BINARY")==0 ) zColl = "B";
        sqlite3_str_appendf(&x, ",%s%s", 
               pKeyInfo->aSortOrder[j] ? "-" : "", zColl);


      }
      sqlite3_str_append(&x, ")", 1);
      break;
    }
#ifdef SQLITE_ENABLE_CURSOR_HINTS
    case P4_EXPR: {
      displayP4Expr(&x, pOp->p4.pExpr);
................................................................................
      ** main program. */
      pOp = &p->aOp[i];
    }else{
      /* We are currently listing subprograms.  Figure out which one and
      ** pick up the appropriate opcode. */
      int j;
      i -= p->nOp;


      for(j=0; i>=apSub[j]->nOp; j++){
        i -= apSub[j]->nOp;

      }
      pOp = &apSub[j]->aOp[i];
    }

    /* When an OP_Program opcode is encounter (the only opcode that has
    ** a P4_SUBPROGRAM argument), expand the size of the array of subprograms
    ** kept in p->aMem[9].z to hold the new program - assuming this subprogram
................................................................................
**    N>=12 and even       (N-12)/2        BLOB
**    N>=13 and odd        (N-13)/2        text
**
** The 8 and 9 types were added in 3.3.0, file format 4.  Prior versions
** of SQLite will not understand those serial types.
*/


/*
** Return the serial-type for the value stored in pMem.
**
** This routine might convert a large MEM_IntReal value into MEM_Real.






*/
SQLITE_PRIVATE u32 sqlite3VdbeSerialType(Mem *pMem, int file_format, u32 *pLen){
  int flags = pMem->flags;
  u32 n;

  assert( pLen!=0 );
  if( flags&MEM_Null ){
................................................................................
  n = (u32)pMem->n;
  if( flags & MEM_Zero ){
    n += pMem->u.nZero;
  }
  *pLen = n;
  return ((n*2) + 12 + ((flags&MEM_Str)!=0));
}


/*
** The sizes for serial types less than 128
*/
static const u8 sqlite3SmallTypeSizes[] = {
        /*  0   1   2   3   4   5   6   7   8   9 */   
/*   0 */   0,  1,  2,  3,  4,  6,  8,  8,  0,  0,
................................................................................
){
  UnpackedRecord *p;              /* Unpacked record to return */
  int nByte;                      /* Number of bytes required for *p */
  nByte = ROUND8(sizeof(UnpackedRecord)) + sizeof(Mem)*(pKeyInfo->nKeyField+1);
  p = (UnpackedRecord *)sqlite3DbMallocRaw(pKeyInfo->db, nByte);
  if( !p ) return 0;
  p->aMem = (Mem*)&((char*)p)[ROUND8(sizeof(UnpackedRecord))];
  assert( pKeyInfo->aSortOrder!=0 );
  p->pKeyInfo = pKeyInfo;
  p->nField = pKeyInfo->nKeyField + 1;
  return p;
}

/*
** Given the nKey-byte encoding of a record in pKey[], populate the 
................................................................................
  */
  /*  mem1.u.i = 0;  // not needed, here to silence compiler warning */
  
  idx1 = getVarint32(aKey1, szHdr1);
  if( szHdr1>98307 ) return SQLITE_CORRUPT;
  d1 = szHdr1;
  assert( pKeyInfo->nAllField>=pPKey2->nField || CORRUPT_DB );
  assert( pKeyInfo->aSortOrder!=0 );
  assert( pKeyInfo->nKeyField>0 );
  assert( idx1<=szHdr1 || CORRUPT_DB );
  do{
    u32 serial_type1;

    /* Read the serial types for the next element in each key. */
    idx1 += getVarint32( aKey1+idx1, serial_type1 );
................................................................................

    /* Do the comparison
    */
    rc = sqlite3MemCompare(&mem1, &pPKey2->aMem[i],
                           pKeyInfo->nAllField>i ? pKeyInfo->aColl[i] : 0);
    if( rc!=0 ){
      assert( mem1.szMalloc==0 );  /* See comment below */





      if( pKeyInfo->aSortOrder[i] ){
        rc = -rc;  /* Invert the result for DESC sort order. */
      }
      goto debugCompareEnd;
    }
    i++;
  }while( idx1<szHdr1 && i<pPKey2->nField );

................................................................................
    pPKey2->errCode = (u8)SQLITE_CORRUPT_BKPT;
    return 0;  /* Corruption */
  }

  VVA_ONLY( mem1.szMalloc = 0; ) /* Only needed by assert() statements */
  assert( pPKey2->pKeyInfo->nAllField>=pPKey2->nField 
       || CORRUPT_DB );
  assert( pPKey2->pKeyInfo->aSortOrder!=0 );
  assert( pPKey2->pKeyInfo->nKeyField>0 );
  assert( idx1<=szHdr1 || CORRUPT_DB );
  do{
    u32 serial_type;

    /* RHS is an integer */
    if( pRhs->flags & (MEM_Int|MEM_IntReal) ){
................................................................................
    /* RHS is null */
    else{
      serial_type = aKey1[idx1];
      rc = (serial_type!=0);
    }

    if( rc!=0 ){
      if( pPKey2->pKeyInfo->aSortOrder[i] ){





        rc = -rc;

      }
      assert( vdbeRecordCompareDebug(nKey1, pKey1, pPKey2, rc) );
      assert( mem1.szMalloc==0 );  /* See comment below */
      return rc;
    }

    i++;
................................................................................
    if( (szHdr + nStr) > nKey1 ){
      pPKey2->errCode = (u8)SQLITE_CORRUPT_BKPT;
      return 0;    /* Corruption */
    }
    nCmp = MIN( pPKey2->aMem[0].n, nStr );
    res = memcmp(&aKey1[szHdr], pPKey2->aMem[0].z, nCmp);

    if( res==0 ){




      res = nStr - pPKey2->aMem[0].n;
      if( res==0 ){
        if( pPKey2->nField>1 ){
          res = sqlite3VdbeRecordCompareWithSkip(nKey1, pKey1, pPKey2, 1);
        }else{
          res = pPKey2->default_rc;
          pPKey2->eqSeen = 1;
        }
      }else if( res>0 ){
        res = pPKey2->r2;
      }else{
        res = pPKey2->r1;
      }
    }else if( res>0 ){
      res = pPKey2->r2;
    }else{
      res = pPKey2->r1;
    }
  }

  assert( vdbeRecordCompareDebug(nKey1, pKey1, pPKey2, res)
       || CORRUPT_DB
       || pPKey2->pKeyInfo->db->mallocFailed
  );
................................................................................
  ** is an integer.
  **
  ** The easiest way to enforce this limit is to consider only records with
  ** 13 fields or less. If the first field is an integer, the maximum legal
  ** header size is (12*5 + 1 + 1) bytes.  */
  if( p->pKeyInfo->nAllField<=13 ){
    int flags = p->aMem[0].flags;
    if( p->pKeyInfo->aSortOrder[0] ){



      p->r1 = 1;
      p->r2 = -1;
    }else{
      p->r1 = -1;
      p->r2 = 1;
    }
    if( (flags & MEM_Int) ){
................................................................................
**
** OP_PureFunc means that the function must be deterministic, and should
** throw an error if it is given inputs that would make it non-deterministic.
** This routine is invoked by date/time functions that use non-deterministic
** features such as 'now'.
*/
SQLITE_PRIVATE int sqlite3NotPureFunc(sqlite3_context *pCtx){
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( pCtx->pVdbe==0 ) return 1;
#endif
  if( pCtx->pVdbe->aOp[pCtx->iOp].opcode==OP_PureFunc ){
    sqlite3_result_error(pCtx, 
       "non-deterministic function in index expression or CHECK constraint",
       -1);
    return 0;
................................................................................
  preupdate.v = v;
  preupdate.pCsr = pCsr;
  preupdate.op = op;
  preupdate.iNewReg = iReg;
  preupdate.keyinfo.db = db;
  preupdate.keyinfo.enc = ENC(db);
  preupdate.keyinfo.nKeyField = pTab->nCol;
  preupdate.keyinfo.aSortOrder = (u8*)&fakeSortOrder;
  preupdate.iKey1 = iKey1;
  preupdate.iKey2 = iKey2;
  preupdate.pTab = pTab;

  db->pPreUpdate = &preupdate;
  db->xPreUpdateCallback(db->pPreUpdateArg, db, op, zDb, zTbl, iKey1, iKey2);
  db->pPreUpdate = 0;
................................................................................
** is requested more than once within the same run of a single prepared
** statement, the exact same time is returned for each invocation regardless
** of the amount of time that elapses between invocations.  In other words,
** the time returned is always the time of the first call.
*/
SQLITE_PRIVATE sqlite3_int64 sqlite3StmtCurrentTime(sqlite3_context *p){
  int rc;
#ifndef SQLITE_ENABLE_STAT3_OR_STAT4
  sqlite3_int64 *piTime = &p->pVdbe->iCurrentTime;
  assert( p->pVdbe!=0 );
#else
  sqlite3_int64 iTime = 0;
  sqlite3_int64 *piTime = p->pVdbe!=0 ? &p->pVdbe->iCurrentTime : &iTime;
#endif
  if( *piTime==0 ){
................................................................................
** auxiliary data pointers that is available to all functions within a
** single prepared statement.  The iArg values must match.
*/
SQLITE_API void *sqlite3_get_auxdata(sqlite3_context *pCtx, int iArg){
  AuxData *pAuxData;

  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
#if SQLITE_ENABLE_STAT3_OR_STAT4
  if( pCtx->pVdbe==0 ) return 0;
#else
  assert( pCtx->pVdbe!=0 );
#endif
  for(pAuxData=pCtx->pVdbe->pAuxData; pAuxData; pAuxData=pAuxData->pNextAux){
    if(  pAuxData->iAuxArg==iArg && (pAuxData->iAuxOp==pCtx->iOp || iArg<0) ){
      return pAuxData->pAux;
................................................................................
  void *pAux, 
  void (*xDelete)(void*)
){
  AuxData *pAuxData;
  Vdbe *pVdbe = pCtx->pVdbe;

  assert( sqlite3_mutex_held(pCtx->pOut->db->mutex) );
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( pVdbe==0 ) goto failed;
#else
  assert( pVdbe!=0 );
#endif

  for(pAuxData=pVdbe->pAuxData; pAuxData; pAuxData=pAuxData->pNextAux){
    if( pAuxData->iAuxArg==iArg && (pAuxData->iAuxOp==pCtx->iOp || iArg<0) ){
................................................................................
**    always preferred, even if the affinity is REAL, because
**    an integer representation is more space efficient on disk.
**
** SQLITE_AFF_TEXT:
**    Convert pRec to a text representation.
**
** SQLITE_AFF_BLOB:

**    No-op.  pRec is unchanged.
*/
static void applyAffinity(
  Mem *pRec,          /* The value to apply affinity to */
  char affinity,      /* The affinity to be applied */
  u8 enc              /* Use this text encoding */
){
................................................................................
      assert( (f & (MEM_Static|MEM_Dyn))==0 );
    }else{
      c = 's';
    }
    *(zCsr++) = c;
    sqlite3_snprintf(100, zCsr, "%d[", pMem->n);
    zCsr += sqlite3Strlen30(zCsr);
    for(i=0; i<16 && i<pMem->n; i++){
      sqlite3_snprintf(100, zCsr, "%02X", ((int)pMem->z[i] & 0xFF));
      zCsr += sqlite3Strlen30(zCsr);
    }

    for(i=0; i<16 && i<pMem->n; i++){
      char z = pMem->z[i];
      if( z<32 || z>126 ) *zCsr++ = '.';
      else *zCsr++ = z;
    }
    *(zCsr++) = ']';
    if( f & MEM_Zero ){
      sqlite3_snprintf(100, zCsr,"+%dz",pMem->u.nZero);
................................................................................
    }else{
      zBuf[1] = 's';
    }
    k = 2;
    sqlite3_snprintf(100, &zBuf[k], "%d", pMem->n);
    k += sqlite3Strlen30(&zBuf[k]);
    zBuf[k++] = '[';
    for(j=0; j<15 && j<pMem->n; j++){
      u8 c = pMem->z[j];
      if( c>=0x20 && c<0x7f ){
        zBuf[k++] = c;
      }else{
        zBuf[k++] = '.';
      }
    }
................................................................................
*/
case OP_RealAffinity: {                  /* in1 */
  pIn1 = &aMem[pOp->p1];
  if( pIn1->flags & (MEM_Int|MEM_IntReal) ){
    testcase( pIn1->flags & MEM_Int );
    testcase( pIn1->flags & MEM_IntReal );
    sqlite3VdbeMemRealify(pIn1);

  }
  break;
}
#endif

#ifndef SQLITE_OMIT_CAST
/* Opcode: Cast P1 P2 * * *
................................................................................
    idx = aPermute ? aPermute[i] : i;
    assert( memIsValid(&aMem[p1+idx]) );
    assert( memIsValid(&aMem[p2+idx]) );
    REGISTER_TRACE(p1+idx, &aMem[p1+idx]);
    REGISTER_TRACE(p2+idx, &aMem[p2+idx]);
    assert( i<pKeyInfo->nKeyField );
    pColl = pKeyInfo->aColl[i];
    bRev = pKeyInfo->aSortOrder[i];
    iCompare = sqlite3MemCompare(&aMem[p1+idx], &aMem[p2+idx], pColl);
    if( iCompare ){





      if( bRev ) iCompare = -iCompare;
      break;
    }
  }
  break;
}

................................................................................
**
** The value extracted is stored in register P3.
**
** If the record contains fewer than P2 fields, then extract a NULL.  Or,
** if the P4 argument is a P4_MEM use the value of the P4 argument as
** the result.
**
** If the OPFLAG_CLEARCACHE bit is set on P5 and P1 is a pseudo-table cursor,
** then the cache of the cursor is reset prior to extracting the column.
** The first OP_Column against a pseudo-table after the value of the content
** register has changed should have this bit set.
**
** If the OPFLAG_LENGTHARG and OPFLAG_TYPEOFARG bits are set on P5 then
** the result is guaranteed to only be used as the argument of a length()
** or typeof() function, respectively.  The loading of large blobs can be
** skipped for length() and all content loading can be skipped for typeof().
*/
case OP_Column: {
  int p2;            /* column number to retrieve */
................................................................................
  const char *zAffinity;   /* The affinity to be applied */

  zAffinity = pOp->p4.z;
  assert( zAffinity!=0 );
  assert( pOp->p2>0 );
  assert( zAffinity[pOp->p2]==0 );
  pIn1 = &aMem[pOp->p1];
  while( 1 /*edit-by-break*/ ){
    assert( pIn1 <= &p->aMem[(p->nMem+1 - p->nCursor)] );
    assert( memIsValid(pIn1) );
    applyAffinity(pIn1, zAffinity[0], encoding);
    if( zAffinity[0]==SQLITE_AFF_REAL && (pIn1->flags & MEM_Int)!=0 ){
      /* When applying REAL affinity, if the result is still MEM_Int, 
      ** indicate that REAL is actually desired */







      pIn1->flags |= MEM_IntReal;
      pIn1->flags &= ~MEM_Int;





    }
    REGISTER_TRACE((int)(pIn1-aMem), pIn1);
    zAffinity++;
    if( zAffinity[0]==0 ) break;
    pIn1++;
  }
  break;
................................................................................
      pLast--;
      nField--;
    }
  }
#endif

  /* Loop through the elements that will make up the record to figure
  ** out how much space is required for the new record.























  */
  pRec = pLast;
  do{
    assert( memIsValid(pRec) );
    serial_type = sqlite3VdbeSerialType(pRec, file_format, &len);
    if( pRec->flags & MEM_Zero ){
      if( serial_type==0 ){
        /* Values with MEM_Null and MEM_Zero are created by xColumn virtual
        ** table methods that never invoke sqlite3_result_xxxxx() while
        ** computing an unchanging column value in an UPDATE statement.
        ** Give such values a special internal-use-only serial-type of 10
        ** so that they can be passed through to xUpdate and have
        ** a true sqlite3_value_nochange(). */
        assert( pOp->p5==OPFLAG_NOCHNG_MAGIC || CORRUPT_DB );

































































        serial_type = 10;
      }else if( nData ){
        if( sqlite3VdbeMemExpandBlob(pRec) ) goto no_mem;

      }else{
        nZero += pRec->u.nZero;
        len -= pRec->u.nZero;
      }
    }
    nData += len;
    testcase( serial_type==127 );
    testcase( serial_type==128 );
    nHdr += serial_type<=127 ? 1 : sqlite3VarintLen(serial_type);
    pRec->uTemp = serial_type;

    if( pRec==pData0 ) break;
    pRec--;
  }while(1);

  /* EVIDENCE-OF: R-22564-11647 The header begins with a single varint
  ** which determines the total number of bytes in the header. The varint
  ** value is the size of the header in bytes including the size varint
................................................................................
        (!desiredAutoCommit)?"cannot start a transaction within a transaction":(
        (iRollback)?"cannot rollback - no transaction is active":
                   "cannot commit - no transaction is active"));
         
    rc = SQLITE_ERROR;
    goto abort_due_to_error;
  }
  break;
}

/* Opcode: Transaction P1 P2 P3 P4 P5
**
** Begin a transaction on database P1 if a transaction is not already
** active.
** If P2 is non-zero, then a write-transaction is started, or if a 
................................................................................
#ifdef SQLITE_DEBUG
  pC->seekOp = pOp->opcode;
#endif

  pC->deferredMoveto = 0;
  pC->cacheStatus = CACHE_STALE;
  if( pC->isTable ){

    /* The BTREE_SEEK_EQ flag is only set on index cursors */
    assert( sqlite3BtreeCursorHasHint(pC->uc.pCursor, BTREE_SEEK_EQ)==0
              || CORRUPT_DB );

    /* The input value in P3 might be of any type: integer, real, string,
    ** blob, or NULL.  But it needs to be an integer before we can do
    ** the seek, so convert it. */
    pIn3 = &aMem[pOp->p3];

    if( (pIn3->flags & (MEM_Int|MEM_Real|MEM_IntReal|MEM_Str))==MEM_Str ){
      applyNumericAffinity(pIn3, 0);
    }
    iKey = sqlite3VdbeIntValue(pIn3);



    /* If the P3 value could not be converted into an integer without
    ** loss of information, then special processing is required... */
    if( (pIn3->flags & (MEM_Int|MEM_IntReal))==0 ){
      if( (pIn3->flags & MEM_Real)==0 ){
        if( (pIn3->flags & MEM_Null) || oc>=OP_SeekGE ){
          VdbeBranchTaken(1,2); goto jump_to_p2;
          break;

        }else{
          rc = sqlite3BtreeLast(pC->uc.pCursor, &res);
          if( rc!=SQLITE_OK ) goto abort_due_to_error;
          goto seek_not_found;
        }
      }else

................................................................................
  assert( pOp->opcode!=OP_Next || pOp->p4.xAdvance==sqlite3BtreeNext );
  assert( pOp->opcode!=OP_Prev || pOp->p4.xAdvance==sqlite3BtreePrevious );

  /* The Next opcode is only used after SeekGT, SeekGE, Rewind, and Found.
  ** The Prev opcode is only used after SeekLT, SeekLE, and Last. */
  assert( pOp->opcode!=OP_Next
       || pC->seekOp==OP_SeekGT || pC->seekOp==OP_SeekGE
       || pC->seekOp==OP_Rewind || pC->seekOp==OP_Found 
       || pC->seekOp==OP_NullRow|| pC->seekOp==OP_SeekRowid);

  assert( pOp->opcode!=OP_Prev
       || pC->seekOp==OP_SeekLT || pC->seekOp==OP_SeekLE
       || pC->seekOp==OP_Last 
       || pC->seekOp==OP_NullRow);

  rc = pOp->p4.xAdvance(pC->uc.pCursor, pOp->p3);
next_tail:
  pC->cacheStatus = CACHE_STALE;
  VdbeBranchTaken(rc==SQLITE_OK,2);
  if( rc==SQLITE_OK ){
................................................................................
  {
    zMaster = MASTER_NAME;
    initData.db = db;
    initData.iDb = iDb;
    initData.pzErrMsg = &p->zErrMsg;
    initData.mInitFlags = 0;
    zSql = sqlite3MPrintf(db,
       "SELECT name, rootpage, sql FROM '%q'.%s WHERE %s ORDER BY rowid",
       db->aDb[iDb].zDbSName, zMaster, pOp->p4.z);
    if( zSql==0 ){
      rc = SQLITE_NOMEM_BKPT;
    }else{
      assert( db->init.busy==0 );
      db->init.busy = 1;
      initData.rc = SQLITE_OK;
................................................................................
*/
SQLITE_API int sqlite3_blob_close(sqlite3_blob *pBlob){
  Incrblob *p = (Incrblob *)pBlob;
  int rc;
  sqlite3 *db;

  if( p ){

    db = p->db;
    sqlite3_mutex_enter(db->mutex);
    rc = sqlite3_finalize(p->pStmt);
    sqlite3DbFree(db, p);
    sqlite3_mutex_leave(db->mutex);

  }else{
    rc = SQLITE_OK;
  }
  return rc;
}

/*
................................................................................
  if( res==0 ){
    if( pTask->pSorter->pKeyInfo->nKeyField>1 ){
      res = vdbeSorterCompareTail(
          pTask, pbKey2Cached, pKey1, nKey1, pKey2, nKey2
      );
    }
  }else{

    if( pTask->pSorter->pKeyInfo->aSortOrder[0] ){
      res = res * -1;
    }
  }

  return res;
}

................................................................................

  if( res==0 ){
    if( pTask->pSorter->pKeyInfo->nKeyField>1 ){
      res = vdbeSorterCompareTail(
          pTask, pbKey2Cached, pKey1, nKey1, pKey2, nKey2
      );
    }
  }else if( pTask->pSorter->pKeyInfo->aSortOrder[0] ){

    res = res * -1;
  }

  return res;
}

/*
................................................................................
        pSorter->list.aMemory = (u8*)sqlite3Malloc(pgsz);
        if( !pSorter->list.aMemory ) rc = SQLITE_NOMEM_BKPT;
      }
    }

    if( pKeyInfo->nAllField<13 
     && (pKeyInfo->aColl[0]==0 || pKeyInfo->aColl[0]==db->pDfltColl)

    ){
      pSorter->typeMask = SORTER_TYPE_INTEGER | SORTER_TYPE_TEXT;
    }
  }

  return rc;
}
................................................................................

  if( rc==SQLITE_OK ){
    if( i==nWorker ){
      /* Use the foreground thread for this operation */
      rc = vdbeSorterListToPMA(&pSorter->aTask[nWorker], &pSorter->list);
    }else{
      /* Launch a background thread for this operation */
      u8 *aMem = pTask->list.aMemory;
      void *pCtx = (void*)pTask;


      assert( pTask->pThread==0 && pTask->bDone==0 );
      assert( pTask->list.pList==0 );
      assert( pTask->list.aMemory==0 || pSorter->list.aMemory!=0 );



      pSorter->iPrev = (u8)(pTask - pSorter->aTask);
      pTask->list = pSorter->list;
      pSorter->list.pList = 0;
      pSorter->list.szPMA = 0;
      if( aMem ){
        pSorter->list.aMemory = aMem;
        pSorter->nMemory = sqlite3MallocSize(aMem);
................................................................................
){
  MemJournal *p = (MemJournal *)pJfd;
  u8 *zOut = zBuf;
  int nRead = iAmt;
  int iChunkOffset;
  FileChunk *pChunk;

#if defined(SQLITE_ENABLE_ATOMIC_WRITE) \
 || defined(SQLITE_ENABLE_BATCH_ATOMIC_WRITE)
  if( (iAmt+iOfst)>p->endpoint.iOffset ){
    return SQLITE_IOERR_SHORT_READ;
  }
#endif

  assert( (iAmt+iOfst)<=p->endpoint.iOffset );
  assert( p->readpoint.iOffset==0 || p->readpoint.pChunk!=0 );
  if( p->readpoint.iOffset!=iOfst || iOfst==0 ){
    sqlite3_int64 iOff = 0;
    for(pChunk=p->pFirst; 
        ALWAYS(pChunk) && (iOff+p->nChunkSize)<=iOfst;
        pChunk=pChunk->pNext
    ){
................................................................................
/*
** Walk all expressions linked into the list of Window objects passed
** as the second argument.
*/
static int walkWindowList(Walker *pWalker, Window *pList){
  Window *pWin;
  for(pWin=pList; pWin; pWin=pWin->pNextWin){

    if( sqlite3WalkExprList(pWalker, pWin->pOrderBy) ) return WRC_Abort;

    if( sqlite3WalkExprList(pWalker, pWin->pPartition) ) return WRC_Abort;

    if( sqlite3WalkExpr(pWalker, pWin->pFilter) ) return WRC_Abort;










  }
  return WRC_Continue;
}
#endif

/*
** Walk an expression tree.  Invoke the callback once for each node
................................................................................
  while(1){
    rc = pWalker->xExprCallback(pWalker, pExpr);
    if( rc ) return rc & WRC_Abort;
    if( !ExprHasProperty(pExpr,(EP_TokenOnly|EP_Leaf)) ){
      if( pExpr->pLeft && walkExpr(pWalker, pExpr->pLeft) ) return WRC_Abort;
       assert( pExpr->x.pList==0 || pExpr->pRight==0 );
      if( pExpr->pRight ){

        pExpr = pExpr->pRight;
        continue;
      }else if( ExprHasProperty(pExpr, EP_xIsSelect) ){

        if( sqlite3WalkSelect(pWalker, pExpr->x.pSelect) ) return WRC_Abort;

      }else if( pExpr->x.pList ){
        if( sqlite3WalkExprList(pWalker, pExpr->x.pList) ) return WRC_Abort;
      }
#ifndef SQLITE_OMIT_WINDOWFUNC
      if( ExprHasProperty(pExpr, EP_WinFunc) ){
        if( walkWindowList(pWalker, pExpr->y.pWin) ) return WRC_Abort;
      }
#endif

    }
    break;
  }
  return WRC_Continue;
}
SQLITE_PRIVATE int sqlite3WalkExpr(Walker *pWalker, Expr *pExpr){
  return pExpr ? walkExpr(pWalker,pExpr) : WRC_Continue;
................................................................................
  if( sqlite3WalkExpr(pWalker, p->pHaving) ) return WRC_Abort;
  if( sqlite3WalkExprList(pWalker, p->pOrderBy) ) return WRC_Abort;
  if( sqlite3WalkExpr(pWalker, p->pLimit) ) return WRC_Abort;
#if !defined(SQLITE_OMIT_WINDOWFUNC) && !defined(SQLITE_OMIT_ALTERTABLE)
  {
    Parse *pParse = pWalker->pParse;
    if( pParse && IN_RENAME_OBJECT ){


      int rc = walkWindowList(pWalker, p->pWinDefn);
      assert( rc==WRC_Continue );
      return rc;
    }
  }
#endif
  return WRC_Continue;
}

................................................................................
              ExprSetProperty(pExpr, EP_Alias);
            }
          }else
#endif /* SQLITE_OMIT_UPSERT */
          {
#ifndef SQLITE_OMIT_TRIGGER
            if( iCol<0 ){
              pExpr->affinity = SQLITE_AFF_INTEGER;
            }else if( pExpr->iTable==0 ){
              testcase( iCol==31 );
              testcase( iCol==32 );
              pParse->oldmask |= (iCol>=32 ? 0xffffffff : (((u32)1)<<iCol));
            }else{
              testcase( iCol==31 );
              testcase( iCol==32 );
................................................................................
     && pMatch
     && (pNC->ncFlags & NC_IdxExpr)==0
     && sqlite3IsRowid(zCol)
     && VisibleRowid(pMatch->pTab)
    ){
      cnt = 1;
      pExpr->iColumn = -1;
      pExpr->affinity = SQLITE_AFF_INTEGER;
    }

    /*
    ** If the input is of the form Z (not Y.Z or X.Y.Z) then the name Z
    ** might refer to an result-set alias.  This happens, for example, when
    ** we are resolving names in the WHERE clause of the following command:
    **
................................................................................
      assert( pSrcList && pSrcList->nSrc==1 );
      pItem = pSrcList->a;
      assert( HasRowid(pItem->pTab) && pItem->pTab->pSelect==0 );
      pExpr->op = TK_COLUMN;
      pExpr->y.pTab = pItem->pTab;
      pExpr->iTable = pItem->iCursor;
      pExpr->iColumn = -1;
      pExpr->affinity = SQLITE_AFF_INTEGER;
      break;
    }
#endif /* defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT)
          && !defined(SQLITE_OMIT_SUBQUERY) */

    /* A column name:                    ID
    ** Or table name and column name:    ID.ID
................................................................................
      int wrong_num_args = 0;     /* True if wrong number of arguments */
      int is_agg = 0;             /* True if is an aggregate function */
      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      u8 enc = ENC(pParse->db);   /* The database encoding */
      int savedAllowFlags = (pNC->ncFlags & (NC_AllowAgg | NC_AllowWin));



      assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
      zId = pExpr->u.zToken;
      nId = sqlite3Strlen30(zId);
      pDef = sqlite3FindFunction(pParse->db, zId, n, enc, 0);
      if( pDef==0 ){
        pDef = sqlite3FindFunction(pParse->db, zId, -2, enc, 0);
        if( pDef==0 ){
................................................................................
         && pParse->nested==0
         && sqlite3Config.bInternalFunctions==0
        ){
          /* Internal-use-only functions are disallowed unless the
          ** SQL is being compiled using sqlite3NestedParse() */
          no_such_func = 1;
          pDef = 0;









        }
      }

      if( 0==IN_RENAME_OBJECT ){
#ifndef SQLITE_OMIT_WINDOWFUNC
        assert( is_agg==0 || (pDef->funcFlags & SQLITE_FUNC_MINMAX)
          || (pDef->xValue==0 && pDef->xInverse==0)
          || (pDef->xValue && pDef->xInverse && pDef->xSFunc && pDef->xFinalize)
        );
        if( pDef && pDef->xValue==0 && ExprHasProperty(pExpr, EP_WinFunc) ){
          sqlite3ErrorMsg(pParse, 
              "%.*s() may not be used as a window function", nId, zId
          );
          pNC->nErr++;
        }else if( 
              (is_agg && (pNC->ncFlags & NC_AllowAgg)==0)
           || (is_agg && (pDef->funcFlags&SQLITE_FUNC_WINDOW) && !pExpr->y.pWin)
           || (is_agg && pExpr->y.pWin && (pNC->ncFlags & NC_AllowWin)==0)
        ){
          const char *zType;
          if( (pDef->funcFlags & SQLITE_FUNC_WINDOW) || pExpr->y.pWin ){
            zType = "window";
          }else{
            zType = "aggregate";
          }
          sqlite3ErrorMsg(pParse, "misuse of %s function %.*s()",zType,nId,zId);
          pNC->nErr++;
          is_agg = 0;
................................................................................
          sqlite3ErrorMsg(pParse, "no such function: %.*s", nId, zId);
          pNC->nErr++;
        }else if( wrong_num_args ){
          sqlite3ErrorMsg(pParse,"wrong number of arguments to function %.*s()",
               nId, zId);
          pNC->nErr++;
        }









        if( is_agg ){
          /* Window functions may not be arguments of aggregate functions.
          ** Or arguments of other window functions. But aggregate functions
          ** may be arguments for window functions.  */
#ifndef SQLITE_OMIT_WINDOWFUNC
          pNC->ncFlags &= ~(NC_AllowWin | (!pExpr->y.pWin ? NC_AllowAgg : 0));
#else
          pNC->ncFlags &= ~NC_AllowAgg;
#endif
        }
      }





      sqlite3WalkExprList(pWalker, pList);
      if( is_agg ){
#ifndef SQLITE_OMIT_WINDOWFUNC
        if( pExpr->y.pWin ){
          Select *pSel = pNC->pWinSelect;

          if( IN_RENAME_OBJECT==0 ){
            sqlite3WindowUpdate(pParse, pSel->pWinDefn, pExpr->y.pWin, pDef);
          }
          sqlite3WalkExprList(pWalker, pExpr->y.pWin->pPartition);
          sqlite3WalkExprList(pWalker, pExpr->y.pWin->pOrderBy);
          sqlite3WalkExpr(pWalker, pExpr->y.pWin->pFilter);
          if( 0==pSel->pWin 
           || 0==sqlite3WindowCompare(pParse, pSel->pWin, pExpr->y.pWin) 
          ){
            pExpr->y.pWin->pNextWin = pSel->pWin;
            pSel->pWin = pExpr->y.pWin;
          }
          pNC->ncFlags |= NC_HasWin;
        }else
#endif /* SQLITE_OMIT_WINDOWFUNC */
        {
          NameContext *pNC2 = pNC;
          pExpr->op = TK_AGG_FUNCTION;
          pExpr->op2 = 0;





          while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
            pExpr->op2++;
            pNC2 = pNC2->pNext;
          }
          assert( pDef!=0 );
          if( pNC2 ){
            assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg );
            testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 );
            pNC2->ncFlags |= NC_HasAgg | (pDef->funcFlags & SQLITE_FUNC_MINMAX);

          }
        }
        pNC->ncFlags |= savedAllowFlags;
................................................................................
    }
    case TK_VARIABLE: {
      notValid(pParse, pNC, "parameters", NC_IsCheck|NC_PartIdx|NC_IdxExpr);
      break;
    }
    case TK_IS:
    case TK_ISNOT: {
      Expr *pRight = sqlite3ExprSkipCollate(pExpr->pRight);
      assert( !ExprHasProperty(pExpr, EP_Reduced) );
      /* Handle special cases of "x IS TRUE", "x IS FALSE", "x IS NOT TRUE",
      ** and "x IS NOT FALSE". */
      if( pRight->op==TK_ID ){
        int rc = resolveExprStep(pWalker, pRight);
        if( rc==WRC_Abort ) return WRC_Abort;
        if( pRight->op==TK_TRUEFALSE ){
................................................................................
    moreToDo = 0;
    pEList = pSelect->pEList;
    assert( pEList!=0 );
    for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
      int iCol = -1;
      Expr *pE, *pDup;
      if( pItem->done ) continue;
      pE = sqlite3ExprSkipCollate(pItem->pExpr);
      if( sqlite3ExprIsInteger(pE, &iCol) ){
        if( iCol<=0 || iCol>pEList->nExpr ){
          resolveOutOfRangeError(pParse, "ORDER", i+1, pEList->nExpr);
          return 1;
        }
      }else{
        iCol = resolveAsName(pParse, pEList, pE);
................................................................................
  const char *zType     /* "ORDER" or "GROUP" */
){
  int i;
  sqlite3 *db = pParse->db;
  ExprList *pEList;
  struct ExprList_item *pItem;

  if( pOrderBy==0 || pParse->db->mallocFailed ) return 0;
  if( pOrderBy->nExpr>db->aLimit[SQLITE_LIMIT_COLUMN] ){
    sqlite3ErrorMsg(pParse, "too many terms in %s BY clause", zType);
    return 1;
  }
  pEList = pSelect->pEList;
  assert( pEList!=0 );  /* sqlite3SelectNew() guarantees this */
  for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
................................................................................
    }
  }
  return 0;
}

#ifndef SQLITE_OMIT_WINDOWFUNC
/*
** Walker callback for resolveRemoveWindows().
*/
static int resolveRemoveWindowsCb(Walker *pWalker, Expr *pExpr){

  if( ExprHasProperty(pExpr, EP_WinFunc) ){
    Window **pp;
    for(pp=&pWalker->u.pSelect->pWin; *pp; pp=&(*pp)->pNextWin){
      if( *pp==pExpr->y.pWin ){
        *pp = (*pp)->pNextWin;
        break;
      }    
    }
  }
  return WRC_Continue;
}

/*
** Remove any Window objects owned by the expression pExpr from the
** Select.pWin list of Select object pSelect.
*/
static void resolveRemoveWindows(Select *pSelect, Expr *pExpr){

  Walker sWalker;
  memset(&sWalker, 0, sizeof(Walker));
  sWalker.xExprCallback = resolveRemoveWindowsCb;
  sWalker.u.pSelect = pSelect;
  sqlite3WalkExpr(&sWalker, pExpr);
}

#else
# define resolveRemoveWindows(x,y)
#endif



/*
** pOrderBy is an ORDER BY or GROUP BY clause in SELECT statement pSelect.
** The Name context of the SELECT statement is pNC.  zType is either
** "ORDER" or "GROUP" depending on which type of clause pOrderBy is.
**
** This routine resolves each term of the clause into an expression.
................................................................................
  int nResult;                   /* Number of terms in the result set */

  if( pOrderBy==0 ) return 0;
  nResult = pSelect->pEList->nExpr;
  pParse = pNC->pParse;
  for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
    Expr *pE = pItem->pExpr;
    Expr *pE2 = sqlite3ExprSkipCollate(pE);
    if( zType[0]!='G' ){
      iCol = resolveAsName(pParse, pSelect->pEList, pE2);
      if( iCol>0 ){
        /* If an AS-name match is found, mark this ORDER BY column as being
        ** a copy of the iCol-th result-set column.  The subsequent call to
        ** sqlite3ResolveOrderGroupBy() will convert the expression to a
        ** copy of the iCol-th result-set expression. */
................................................................................
      return 1;
    }
    for(j=0; j<pSelect->pEList->nExpr; j++){
      if( sqlite3ExprCompare(0, pE, pSelect->pEList->a[j].pExpr, -1)==0 ){
        /* Since this expresion is being changed into a reference
        ** to an identical expression in the result set, remove all Window
        ** objects belonging to the expression from the Select.pWin list. */
        resolveRemoveWindows(pSelect, pE);
        pItem->u.x.iOrderByCol = j+1;
      }
    }
  }
  return sqlite3ResolveOrderGroupBy(pParse, pSelect, pOrderBy, zType);
}

................................................................................
** CREATE TABLE t1(a);
** SELECT * FROM t1 WHERE a;
** SELECT a AS b FROM t1 WHERE b;
** SELECT * FROM t1 WHERE (select a from t1);
*/
SQLITE_PRIVATE char sqlite3ExprAffinity(Expr *pExpr){
  int op;
  if( pExpr->flags & EP_Generic ) return 0;
  while( ExprHasProperty(pExpr, EP_Skip) ){
    assert( pExpr->op==TK_COLLATE );
    pExpr = pExpr->pLeft;
    assert( pExpr!=0 );
  }
  op = pExpr->op;
  if( op==TK_SELECT ){
................................................................................
  }
  if( op==TK_SELECT_COLUMN ){
    assert( pExpr->pLeft->flags&EP_xIsSelect );
    return sqlite3ExprAffinity(
        pExpr->pLeft->x.pSelect->pEList->a[pExpr->iColumn].pExpr
    );
  }
  return pExpr->affinity;
}

/*
** Set the collating sequence for expression pExpr to be the collating
** sequence named by pToken.   Return a pointer to a new Expr node that
** implements the COLLATE operator.
**
................................................................................
  Token s;
  assert( zC!=0 );
  sqlite3TokenInit(&s, (char*)zC);
  return sqlite3ExprAddCollateToken(pParse, pExpr, &s, 0);
}

/*
** Skip over any TK_COLLATE operators and any unlikely()
** or likelihood() function at the root of an expression.
*/
SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr *pExpr){













  while( pExpr && ExprHasProperty(pExpr, EP_Skip|EP_Unlikely) ){
    if( ExprHasProperty(pExpr, EP_Unlikely) ){
      assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
      assert( pExpr->x.pList->nExpr>0 );
      assert( pExpr->op==TK_FUNCTION );
      pExpr = pExpr->x.pList->a[0].pExpr;
    }else{
................................................................................
*/
SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr){
  sqlite3 *db = pParse->db;
  CollSeq *pColl = 0;
  Expr *p = pExpr;
  while( p ){
    int op = p->op;
    if( p->flags & EP_Generic ) break;
    if( op==TK_REGISTER ) op = p->op2;
    if( (op==TK_AGG_COLUMN || op==TK_COLUMN || op==TK_TRIGGER)
     && p->y.pTab!=0
    ){
      /* op==TK_REGISTER && p->y.pTab!=0 happens when pExpr was originally
      ** a TK_COLUMN but was previously evaluated and cached in a register */
      int j = p->iColumn;
................................................................................
/*
** pExpr is an operand of a comparison operator.  aff2 is the
** type affinity of the other operand.  This routine returns the
** type affinity that should be used for the comparison operator.
*/
SQLITE_PRIVATE char sqlite3CompareAffinity(Expr *pExpr, char aff2){
  char aff1 = sqlite3ExprAffinity(pExpr);
  if( aff1 && aff2 ){
    /* Both sides of the comparison are columns. If one has numeric
    ** affinity, use that. Otherwise use no affinity.
    */
    if( sqlite3IsNumericAffinity(aff1) || sqlite3IsNumericAffinity(aff2) ){
      return SQLITE_AFF_NUMERIC;
    }else{
      return SQLITE_AFF_BLOB;
    }
  }else if( !aff1 && !aff2 ){
    /* Neither side of the comparison is a column.  Compare the
    ** results directly.
    */
    return SQLITE_AFF_BLOB;
  }else{
    /* One side is a column, the other is not. Use the columns affinity. */
    assert( aff1==0 || aff2==0 );
    return (aff1 + aff2);


  }
}

/*
** pExpr is a comparison operator.  Return the type affinity that should
** be applied to both operands prior to doing the comparison.
*/
................................................................................
** pExpr is a comparison expression, eg. '=', '<', IN(...) etc.
** idx_affinity is the affinity of an indexed column. Return true
** if the index with affinity idx_affinity may be used to implement
** the comparison in pExpr.
*/
SQLITE_PRIVATE int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity){
  char aff = comparisonAffinity(pExpr);
  switch( aff ){
    case SQLITE_AFF_BLOB:
      return 1;

    case SQLITE_AFF_TEXT:
      return idx_affinity==SQLITE_AFF_TEXT;
    default:
      return sqlite3IsNumericAffinity(idx_affinity);
  }

}

/*
** Return the P5 value that should be used for a binary comparison
** opcode (OP_Eq, OP_Ge etc.) used to compare pExpr1 and pExpr2.
*/
static u8 binaryCompareP5(Expr *pExpr1, Expr *pExpr2, int jumpIfNull){
................................................................................
  }
#endif
  if( !ExprHasProperty(p, (EP_TokenOnly|EP_Leaf)) ){
    /* The Expr.x union is never used at the same time as Expr.pRight */
    assert( p->x.pList==0 || p->pRight==0 );
    if( p->pLeft && p->op!=TK_SELECT_COLUMN ) sqlite3ExprDeleteNN(db, p->pLeft);
    if( p->pRight ){

      sqlite3ExprDeleteNN(db, p->pRight);
    }else if( ExprHasProperty(p, EP_xIsSelect) ){

      sqlite3SelectDelete(db, p->x.pSelect);
    }else{
      sqlite3ExprListDelete(db, p->x.pList);
    }

    if( ExprHasProperty(p, EP_WinFunc) ){
      assert( p->op==TK_FUNCTION );
      sqlite3WindowDelete(db, p->y.pWin);


    }
  }
  if( ExprHasProperty(p, EP_MemToken) ) sqlite3DbFree(db, p->u.zToken);
  if( !ExprHasProperty(p, EP_Static) ){
    sqlite3DbFreeNN(db, p);
  }
}
................................................................................
*/
static int exprStructSize(Expr *p){
  if( ExprHasProperty(p, EP_TokenOnly) ) return EXPR_TOKENONLYSIZE;
  if( ExprHasProperty(p, EP_Reduced) ) return EXPR_REDUCEDSIZE;
  return EXPR_FULLSIZE;
}

/*
** Copy the complete content of an Expr node, taking care not to read
** past the end of the structure for a reduced-size version of the source
** Expr.
*/
static void exprNodeCopy(Expr *pDest, Expr *pSrc){
  memset(pDest, 0, sizeof(Expr));
  memcpy(pDest, pSrc, exprStructSize(pSrc));
}

/*
** The dupedExpr*Size() routines each return the number of bytes required
** to store a copy of an expression or expression tree.  They differ in
** how much of the tree is measured.
**
**     dupedExprStructSize()     Size of only the Expr structure 
**     dupedExprNodeSize()       Size of Expr + space for token
................................................................................
/*
** The gatherSelectWindows() procedure and its helper routine
** gatherSelectWindowsCallback() are used to scan all the expressions
** an a newly duplicated SELECT statement and gather all of the Window
** objects found there, assembling them onto the linked list at Select->pWin.
*/
static int gatherSelectWindowsCallback(Walker *pWalker, Expr *pExpr){
  if( pExpr->op==TK_FUNCTION && pExpr->y.pWin!=0 ){
    assert( ExprHasProperty(pExpr, EP_WinFunc) );
    pExpr->y.pWin->pNextWin = pWalker->u.pSelect->pWin;
    pWalker->u.pSelect->pWin = pExpr->y.pWin;




  }
  return WRC_Continue;
}
static int gatherSelectWindowsSelectCallback(Walker *pWalker, Select *p){
  return p==pWalker->u.pSelect ? WRC_Continue : WRC_Prune;
}
static void gatherSelectWindows(Select *p){
................................................................................
        assert( pNewExpr->iColumn==pItem[-1].pExpr->iColumn+1 );
        assert( pPriorSelectCol==pItem[-1].pExpr->pLeft );
        pNewExpr->pLeft = pPriorSelectCol;
      }
    }
    pItem->zName = sqlite3DbStrDup(db, pOldItem->zName);
    pItem->zSpan = sqlite3DbStrDup(db, pOldItem->zSpan);
    pItem->sortOrder = pOldItem->sortOrder;
    pItem->done = 0;

    pItem->bSpanIsTab = pOldItem->bSpanIsTab;
    pItem->bSorterRef = pOldItem->bSorterRef;
    pItem->u = pOldItem->u;
  }
  return pNew;
}

................................................................................
    pNew->addrOpenEphm[0] = -1;
    pNew->addrOpenEphm[1] = -1;
    pNew->nSelectRow = p->nSelectRow;
    pNew->pWith = withDup(db, p->pWith);
#ifndef SQLITE_OMIT_WINDOWFUNC
    pNew->pWin = 0;
    pNew->pWinDefn = sqlite3WindowListDup(db, p->pWinDefn);
    if( p->pWin ) gatherSelectWindows(pNew);
#endif
    pNew->selId = p->selId;
    *pp = pNew;
    pp = &pNew->pPrior;
    pNext = pNew;
  }

................................................................................
    sqlite3ErrorMsg(pParse, "%d columns assigned %d values",
                    pColumns->nId, n);
    goto vector_append_error;
  }

  for(i=0; i<pColumns->nId; i++){
    Expr *pSubExpr = sqlite3ExprForVectorField(pParse, pExpr, i);




    pList = sqlite3ExprListAppend(pParse, pList, pSubExpr);
    if( pList ){
      assert( pList->nExpr==iFirst+i+1 );
      pList->a[pList->nExpr-1].zName = pColumns->a[i].zName;
      pColumns->a[i].zName = 0;
    }
  }
................................................................................
  sqlite3IdListDelete(db, pColumns);
  return pList;
}

/*
** Set the sort order for the last element on the given ExprList.
*/
SQLITE_PRIVATE void sqlite3ExprListSetSortOrder(ExprList *p, int iSortOrder){

  if( p==0 ) return;
  assert( SQLITE_SO_UNDEFINED<0 && SQLITE_SO_ASC>=0 && SQLITE_SO_DESC>0 );
  assert( p->nExpr>0 );


  if( iSortOrder<0 ){
    assert( p->a[p->nExpr-1].sortOrder==SQLITE_SO_ASC );
    return;






  }





  p->a[p->nExpr-1].sortOrder = (u8)iSortOrder;







}

/*
** Set the ExprList.a[].zName element of the most recently added item
** on the expression list.
**
** pList might be NULL following an OOM error.  But pName should never be
................................................................................
** This routine is used to determine if the OP_Affinity operation
** can be omitted.  When in doubt return FALSE.  A false negative
** is harmless.  A false positive, however, can result in the wrong
** answer.
*/
SQLITE_PRIVATE int sqlite3ExprNeedsNoAffinityChange(const Expr *p, char aff){
  u8 op;

  if( aff==SQLITE_AFF_BLOB ) return 1;
  while( p->op==TK_UPLUS || p->op==TK_UMINUS ){ p = p->pLeft; }



  op = p->op;
  if( op==TK_REGISTER ) op = p->op2;
  switch( op ){
    case TK_INTEGER: {
      return aff==SQLITE_AFF_INTEGER || aff==SQLITE_AFF_NUMERIC;
    }
    case TK_FLOAT: {
      return aff==SQLITE_AFF_REAL || aff==SQLITE_AFF_NUMERIC;
    }
    case TK_STRING: {
      return aff==SQLITE_AFF_TEXT;
    }
    case TK_BLOB: {
      return 1;
    }
    case TK_COLUMN: {
      assert( p->iTable>=0 );  /* p cannot be part of a CHECK constraint */
      return p->iColumn<0
          && (aff==SQLITE_AFF_INTEGER || aff==SQLITE_AFF_NUMERIC);
    }
    default: {
      return 0;
    }
  }
}

................................................................................
**   CREATE INDEX i1 ON t1(b, c, a);
**
** then aiMap[] is populated with {2, 0, 1}.
*/
#ifndef SQLITE_OMIT_SUBQUERY
SQLITE_PRIVATE int sqlite3FindInIndex(
  Parse *pParse,             /* Parsing context */
  Expr *pX,                  /* The right-hand side (RHS) of the IN operator */
  u32 inFlags,               /* IN_INDEX_LOOP, _MEMBERSHIP, and/or _NOOP_OK */
  int *prRhsHasNull,         /* Register holding NULL status.  See notes */
  int *aiMap,                /* Mapping from Index fields to RHS fields */
  int *piTab                 /* OUT: index to use */
){
  Select *p;                            /* SELECT to the right of IN operator */
  int eType = 0;                        /* Type of RHS table. IN_INDEX_* */
................................................................................
    ** that columns affinity when building index keys. If <expr> is not
    ** a column, use numeric affinity.
    */
    char affinity;            /* Affinity of the LHS of the IN */
    int i;
    ExprList *pList = pExpr->x.pList;
    struct ExprList_item *pItem;
    int r1, r2, r3;
    affinity = sqlite3ExprAffinity(pLeft);
    if( !affinity ){
      affinity = SQLITE_AFF_BLOB;
    }
    if( pKeyInfo ){
      assert( sqlite3KeyInfoIsWriteable(pKeyInfo) );
      pKeyInfo->aColl[0] = sqlite3ExprCollSeq(pParse, pExpr->pLeft);
    }

................................................................................
      if( addrOnce && !sqlite3ExprIsConstant(pE2) ){
        sqlite3VdbeChangeToNoop(v, addrOnce);
        ExprClearProperty(pExpr, EP_Subrtn);
        addrOnce = 0;
      }

      /* Evaluate the expression and insert it into the temp table */
      r3 = sqlite3ExprCodeTarget(pParse, pE2, r1);
      sqlite3VdbeAddOp4(v, OP_MakeRecord, r3, 1, r2, &affinity, 1);
      sqlite3VdbeAddOp4Int(v, OP_IdxInsert, iTab, r2, r3, 1);
    }
    sqlite3ReleaseTempReg(pParse, r1);
    sqlite3ReleaseTempReg(pParse, r2);
  }
  if( pKeyInfo ){
    sqlite3VdbeChangeP4(v, addr, (void *)pKeyInfo, P4_KEYINFO);
  }
................................................................................
** or EXISTS operator:
**
**     (SELECT a FROM b)          -- subquery
**     EXISTS (SELECT a FROM b)   -- EXISTS subquery
**
** The pExpr parameter is the SELECT or EXISTS operator to be coded.
**
** The register that holds the result.  For a multi-column SELECT, 
** the result is stored in a contiguous array of registers and the
** return value is the register of the left-most result column.
** Return 0 if an error occurs.
*/
#ifndef SQLITE_OMIT_SUBQUERY
SQLITE_PRIVATE int sqlite3CodeSubselect(Parse *pParse, Expr *pExpr){
  int addrOnce = 0;           /* Address of OP_Once at top of subroutine */
................................................................................
  if( eType==IN_INDEX_NOOP ){
    ExprList *pList = pExpr->x.pList;
    CollSeq *pColl = sqlite3ExprCollSeq(pParse, pExpr->pLeft);
    int labelOk = sqlite3VdbeMakeLabel(pParse);
    int r2, regToFree;
    int regCkNull = 0;
    int ii;

    assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
    if( destIfNull!=destIfFalse ){
      regCkNull = sqlite3GetTempReg(pParse);
      sqlite3VdbeAddOp3(v, OP_BitAnd, rLhs, rLhs, regCkNull);
    }

    for(ii=0; ii<pList->nExpr; ii++){





      r2 = sqlite3ExprCodeTemp(pParse, pList->a[ii].pExpr, &regToFree);

      if( regCkNull && sqlite3ExprCanBeNull(pList->a[ii].pExpr) ){
        sqlite3VdbeAddOp3(v, OP_BitAnd, regCkNull, r2, regCkNull);
      }
      if( ii<pList->nExpr-1 || destIfNull!=destIfFalse ){
        sqlite3VdbeAddOp4(v, OP_Eq, rLhs, labelOk, r2,
                          (void*)pColl, P4_COLLSEQ);
        VdbeCoverageIf(v, ii<pList->nExpr-1);
................................................................................

/*
** Convert a scalar expression node to a TK_REGISTER referencing
** register iReg.  The caller must ensure that iReg already contains
** the correct value for the expression.
*/
static void exprToRegister(Expr *pExpr, int iReg){
  Expr *p = sqlite3ExprSkipCollate(pExpr);
  p->op2 = p->op;
  p->op = TK_REGISTER;
  p->iTable = iReg;
  ExprClearProperty(p, EP_Skip);
}

/*
................................................................................
        ** constraints, and that constant is coded by the pExpr->pLeft
        ** expresssion.  However, make sure the constant has the correct
        ** datatype by applying the Affinity of the table column to the
        ** constant.
        */
        int iReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft,target);
        int aff = sqlite3TableColumnAffinity(pExpr->y.pTab, pExpr->iColumn);
        if( aff!=SQLITE_AFF_BLOB ){
          static const char zAff[] = "B\000C\000D\000E";
          assert( SQLITE_AFF_BLOB=='A' );
          assert( SQLITE_AFF_TEXT=='B' );
          if( iReg!=target ){
            sqlite3VdbeAddOp2(v, OP_SCopy, iReg, target);
            iReg = target;
          }
................................................................................
                            &zAff[(aff-'B')*2], P4_STATIC);
        }
        return iReg;
      }
      if( iTab<0 ){
        if( pParse->iSelfTab<0 ){
          /* Generating CHECK constraints or inserting into partial index */











          return pExpr->iColumn - pParse->iSelfTab;

        }else{
          /* Coding an expression that is part of an index where column names
          ** in the index refer to the table to which the index belongs */
          iTab = pParse->iSelfTab - 1;
        }
      }
      return sqlite3ExprCodeGetColumn(pParse, pExpr->y.pTab,
................................................................................
      */
      if( pDef->funcFlags & SQLITE_FUNC_AFFINITY ){
        const char *azAff[] = { "blob", "text", "numeric", "integer", "real" };
        char aff;
        assert( nFarg==1 );
        aff = sqlite3ExprAffinity(pFarg->a[0].pExpr);
        sqlite3VdbeLoadString(v, target, 
                              aff ? azAff[aff-SQLITE_AFF_BLOB] : "none");
        return target;
      }
#endif

      for(i=0; i<nFarg; i++){
        if( i<32 && sqlite3ExprIsConstant(pFarg->a[i].pExpr) ){
          testcase( i==31 );
................................................................................
    }
    case TK_SELECT_COLUMN: {
      int n;
      if( pExpr->pLeft->iTable==0 ){
        pExpr->pLeft->iTable = sqlite3CodeSubselect(pParse, pExpr->pLeft);
      }
      assert( pExpr->iTable==0 || pExpr->pLeft->op==TK_SELECT );
      if( pExpr->iTable
       && pExpr->iTable!=(n = sqlite3ExprVectorSize(pExpr->pLeft)) 
      ){
        sqlite3ErrorMsg(pParse, "%d columns assigned %d values",
                                pExpr->iTable, n);
      }
      return pExpr->pLeft->iTable + pExpr->iColumn;
    }
    case TK_IN: {
................................................................................
    }

    case TK_VECTOR: {
      sqlite3ErrorMsg(pParse, "row value misused");
      break;
    }







    case TK_IF_NULL_ROW: {
      int addrINR;

      addrINR = sqlite3VdbeAddOp1(v, OP_IfNullRow, pExpr->iTable);





      inReg = sqlite3ExprCodeTarget(pParse, pExpr->pLeft, target);

      sqlite3VdbeJumpHere(v, addrINR);
      sqlite3VdbeChangeP3(v, addrINR, inReg);
      break;
    }

    /*
    ** Form A:
................................................................................
      int nExpr;                        /* 2x number of WHEN terms */
      int i;                            /* Loop counter */
      ExprList *pEList;                 /* List of WHEN terms */
      struct ExprList_item *aListelem;  /* Array of WHEN terms */
      Expr opCompare;                   /* The X==Ei expression */
      Expr *pX;                         /* The X expression */
      Expr *pTest = 0;                  /* X==Ei (form A) or just Ei (form B) */



      assert( !ExprHasProperty(pExpr, EP_xIsSelect) && pExpr->x.pList );
      assert(pExpr->x.pList->nExpr > 0);
      pEList = pExpr->x.pList;
      aListelem = pEList->a;
      nExpr = pEList->nExpr;
      endLabel = sqlite3VdbeMakeLabel(pParse);
      if( (pX = pExpr->pLeft)!=0 ){
        exprNodeCopy(&tempX, pX);




        testcase( pX->op==TK_COLUMN );
        exprToRegister(&tempX, exprCodeVector(pParse, &tempX, &regFree1));
        testcase( regFree1==0 );
        memset(&opCompare, 0, sizeof(opCompare));
        opCompare.op = TK_EQ;
        opCompare.pLeft = &tempX;
        pTest = &opCompare;
        /* Ticket b351d95f9cd5ef17e9d9dbae18f5ca8611190001:
        ** The value in regFree1 might get SCopy-ed into the file result.
        ** So make sure that the regFree1 register is not reused for other
        ** purposes and possibly overwritten.  */
        regFree1 = 0;
      }
................................................................................
        sqlite3VdbeResolveLabel(v, nextCase);
      }
      if( (nExpr&1)!=0 ){
        sqlite3ExprCode(pParse, pEList->a[nExpr-1].pExpr, target);
      }else{
        sqlite3VdbeAddOp2(v, OP_Null, 0, target);
      }

      sqlite3VdbeResolveLabel(v, endLabel);
      break;
    }
#ifndef SQLITE_OMIT_TRIGGER
    case TK_RAISE: {
      assert( pExpr->affinity==OE_Rollback 
           || pExpr->affinity==OE_Abort
           || pExpr->affinity==OE_Fail
           || pExpr->affinity==OE_Ignore
      );
      if( !pParse->pTriggerTab ){
        sqlite3ErrorMsg(pParse,
                       "RAISE() may only be used within a trigger-program");
        return 0;
      }
      if( pExpr->affinity==OE_Abort ){
        sqlite3MayAbort(pParse);
      }
      assert( !ExprHasProperty(pExpr, EP_IntValue) );
      if( pExpr->affinity==OE_Ignore ){
        sqlite3VdbeAddOp4(
            v, OP_Halt, SQLITE_OK, OE_Ignore, 0, pExpr->u.zToken,0);
        VdbeCoverage(v);
      }else{
        sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_TRIGGER,
                              pExpr->affinity, pExpr->u.zToken, 0, 0);
      }

      break;
    }
#endif
  }
  sqlite3ReleaseTempReg(pParse, regFree1);
................................................................................
**
** If pExpr is a constant, then this routine might generate this
** code to fill the register in the initialization section of the
** VDBE program, in order to factor it out of the evaluation loop.
*/
SQLITE_PRIVATE int sqlite3ExprCodeTemp(Parse *pParse, Expr *pExpr, int *pReg){
  int r2;
  pExpr = sqlite3ExprSkipCollate(pExpr);
  if( ConstFactorOk(pParse)
   && pExpr->op!=TK_REGISTER
   && sqlite3ExprIsConstantNotJoin(pExpr)
  ){
    *pReg  = 0;
    r2 = sqlite3ExprCodeAtInit(pParse, pExpr, -1);
  }else{
................................................................................
static void exprCodeBetween(
  Parse *pParse,    /* Parsing and code generating context */
  Expr *pExpr,      /* The BETWEEN expression */
  int dest,         /* Jump destination or storage location */
  void (*xJump)(Parse*,Expr*,int,int), /* Action to take */
  int jumpIfNull    /* Take the jump if the BETWEEN is NULL */
){
 Expr exprAnd;     /* The AND operator in  x>=y AND x<=z  */
  Expr compLeft;    /* The  x>=y  term */
  Expr compRight;   /* The  x<=z  term */
  Expr exprX;       /* The  x  subexpression */
  int regFree1 = 0; /* Temporary use register */



  memset(&compLeft, 0, sizeof(Expr));
  memset(&compRight, 0, sizeof(Expr));
  memset(&exprAnd, 0, sizeof(Expr));

  assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
  exprNodeCopy(&exprX, pExpr->pLeft);


  exprAnd.op = TK_AND;
  exprAnd.pLeft = &compLeft;
  exprAnd.pRight = &compRight;
  compLeft.op = TK_GE;
  compLeft.pLeft = &exprX;
  compLeft.pRight = pExpr->x.pList->a[0].pExpr;
  compRight.op = TK_LE;
  compRight.pLeft = &exprX;
  compRight.pRight = pExpr->x.pList->a[1].pExpr;
  exprToRegister(&exprX, exprCodeVector(pParse, &exprX, &regFree1));
  if( xJump ){
    xJump(pParse, &exprAnd, dest, jumpIfNull);
  }else{
    /* Mark the expression is being from the ON or USING clause of a join
    ** so that the sqlite3ExprCodeTarget() routine will not attempt to move
    ** it into the Parse.pConstExpr list.  We should use a new bit for this,
    ** for clarity, but we are out of bits in the Expr.flags field so we
    ** have to reuse the EP_FromJoin bit.  Bummer. */
    exprX.flags |= EP_FromJoin;
    sqlite3ExprCodeTarget(pParse, &exprAnd, dest);
  }
  sqlite3ReleaseTempReg(pParse, regFree1);



  /* Ensure adequate test coverage */
  testcase( xJump==sqlite3ExprIfTrue  && jumpIfNull==0 && regFree1==0 );
  testcase( xJump==sqlite3ExprIfTrue  && jumpIfNull==0 && regFree1!=0 );
  testcase( xJump==sqlite3ExprIfTrue  && jumpIfNull!=0 && regFree1==0 );
  testcase( xJump==sqlite3ExprIfTrue  && jumpIfNull!=0 && regFree1!=0 );
  testcase( xJump==sqlite3ExprIfFalse && jumpIfNull==0 && regFree1==0 );
................................................................................
    }
    if( pB->op==TK_COLLATE && sqlite3ExprCompare(pParse, pA,pB->pLeft,iTab)<2 ){
      return 1;
    }
    return 2;
  }
  if( pA->op!=TK_COLUMN && pA->op!=TK_AGG_COLUMN && pA->u.zToken ){
    if( pA->op==TK_FUNCTION ){
      if( sqlite3StrICmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2;
#ifndef SQLITE_OMIT_WINDOWFUNC
      /* Justification for the assert():
      ** window functions have p->op==TK_FUNCTION but aggregate functions
      ** have p->op==TK_AGG_FUNCTION.  So any comparison between an aggregate
      ** function and a window function should have failed before reaching
      ** this point.  And, it is not possible to have a window function and
      ** a scalar function with the same name and number of arguments.  So
      ** if we reach this point, either A and B both window functions or
      ** neither are a window functions. */
      assert( ExprHasProperty(pA,EP_WinFunc)==ExprHasProperty(pB,EP_WinFunc) );
      if( ExprHasProperty(pA,EP_WinFunc) ){
        if( sqlite3WindowCompare(pParse,pA->y.pWin,pB->y.pWin)!=0 ) return 2;
      }
#endif
    }else if( pA->op==TK_NULL ){
      return 0;
    }else if( pA->op==TK_COLLATE ){
      if( sqlite3_stricmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2;
    }else if( ALWAYS(pB->u.zToken!=0) && strcmp(pA->u.zToken,pB->u.zToken)!=0 ){
................................................................................
  int i;
  if( pA==0 && pB==0 ) return 0;
  if( pA==0 || pB==0 ) return 1;
  if( pA->nExpr!=pB->nExpr ) return 1;
  for(i=0; i<pA->nExpr; i++){
    Expr *pExprA = pA->a[i].pExpr;
    Expr *pExprB = pB->a[i].pExpr;
    if( pA->a[i].sortOrder!=pB->a[i].sortOrder ) return 1;
    if( sqlite3ExprCompare(0, pExprA, pExprB, iTab) ) return 1;
  }
  return 0;
}

/*
** Like sqlite3ExprCompare() except COLLATE operators at the top-level
** are ignored.
*/
SQLITE_PRIVATE int sqlite3ExprCompareSkip(Expr *pA, Expr *pB, int iTab){
  return sqlite3ExprCompare(0,
             sqlite3ExprSkipCollate(pA),
             sqlite3ExprSkipCollate(pB),
             iTab);
}

/*
** Return non-zero if Expr p can only be true if pNN is not NULL.



*/
static int exprImpliesNotNull(
  Parse *pParse,      /* Parsing context */
  Expr *p,            /* The expression to be checked */
  Expr *pNN,          /* The expression that is NOT NULL */
  int iTab,           /* Table being evaluated */
  int seenNot         /* True if p is an operand of NOT */
){
  assert( p );
  assert( pNN );
  if( sqlite3ExprCompare(pParse, p, pNN, iTab)==0 ) return 1;


  switch( p->op ){
    case TK_IN: {
      if( seenNot && ExprHasProperty(p, EP_xIsSelect) ) return 0;
      assert( ExprHasProperty(p,EP_xIsSelect)
           || (p->x.pList!=0 && p->x.pList->nExpr>0) );
      return exprImpliesNotNull(pParse, p->pLeft, pNN, iTab, seenNot);
    }
    case TK_BETWEEN: {
      ExprList *pList = p->x.pList;
      assert( pList!=0 );
      assert( pList->nExpr==2 );
      if( seenNot ) return 0;
      if( exprImpliesNotNull(pParse, pList->a[0].pExpr, pNN, iTab, seenNot)
       || exprImpliesNotNull(pParse, pList->a[1].pExpr, pNN, iTab, seenNot)
      ){
        return 1;
      }
      return exprImpliesNotNull(pParse, p->pLeft, pNN, iTab, seenNot);
    }
    case TK_EQ:
    case TK_NE:
    case TK_LT:
    case TK_LE:
    case TK_GT:
    case TK_GE:
    case TK_PLUS:
    case TK_MINUS:






    case TK_STAR:
    case TK_REM:
    case TK_BITAND:
    case TK_BITOR:
    case TK_SLASH:
    case TK_LSHIFT:
    case TK_RSHIFT: 
    case TK_CONCAT: {
      if( exprImpliesNotNull(pParse, p->pRight, pNN, iTab, seenNot) ) return 1;
      /* Fall thru into the next case */
    }
    case TK_SPAN:
    case TK_COLLATE:
    case TK_BITNOT:
    case TK_UPLUS:
    case TK_UMINUS: {
      return exprImpliesNotNull(pParse, p->pLeft, pNN, iTab, seenNot);
    }
    case TK_TRUTH: {
      if( seenNot ) return 0;
      if( p->op2!=TK_IS ) return 0;
      return exprImpliesNotNull(pParse, p->pLeft, pNN, iTab, seenNot);
    }

    case TK_NOT: {
      return exprImpliesNotNull(pParse, p->pLeft, pNN, iTab, 1);
    }
  }
  return 0;
}

................................................................................
*/
static int impliesNotNullRow(Walker *pWalker, Expr *pExpr){
  testcase( pExpr->op==TK_AGG_COLUMN );
  testcase( pExpr->op==TK_AGG_FUNCTION );
  if( ExprHasProperty(pExpr, EP_FromJoin) ) return WRC_Prune;
  switch( pExpr->op ){
    case TK_ISNOT:
    case TK_NOT:
    case TK_ISNULL:
    case TK_NOTNULL:
    case TK_IS:
    case TK_OR:
    case TK_CASE:
    case TK_IN:
    case TK_FUNCTION:
      testcase( pExpr->op==TK_ISNOT );
      testcase( pExpr->op==TK_NOT );
      testcase( pExpr->op==TK_ISNULL );
      testcase( pExpr->op==TK_NOTNULL );
      testcase( pExpr->op==TK_IS );
      testcase( pExpr->op==TK_OR );
      testcase( pExpr->op==TK_CASE );
      testcase( pExpr->op==TK_IN );
      testcase( pExpr->op==TK_FUNCTION );
................................................................................
    case TK_COLUMN:
      if( pWalker->u.iCur==pExpr->iTable ){
        pWalker->eCode = 1;
        return WRC_Abort;
      }
      return WRC_Prune;













    /* Virtual tables are allowed to use constraints like x=NULL.  So
    ** a term of the form x=y does not prove that y is not null if x
    ** is the column of a virtual table */
    case TK_EQ:
    case TK_NE:
    case TK_LT:
    case TK_LE:
................................................................................
      testcase( pExpr->op==TK_GT );
      testcase( pExpr->op==TK_GE );
      if( (pExpr->pLeft->op==TK_COLUMN && IsVirtual(pExpr->pLeft->y.pTab))
       || (pExpr->pRight->op==TK_COLUMN && IsVirtual(pExpr->pRight->y.pTab))
      ){
       return WRC_Prune;
      }

    default:
      return WRC_Continue;
  }
}

/*
** Return true (non-zero) if expression p can only be true if at least
................................................................................
** an ordinary JOIN.  The p argument is the WHERE clause.  If the WHERE
** clause requires that some column of the right table of the LEFT JOIN
** be non-NULL, then the LEFT JOIN can be safely converted into an
** ordinary join.
*/
SQLITE_PRIVATE int sqlite3ExprImpliesNonNullRow(Expr *p, int iTab){
  Walker w;
  p = sqlite3ExprSkipCollate(p);
  while( p ){
    if( p->op==TK_NOTNULL ){
      p = p->pLeft;
    }else if( p->op==TK_AND ){
      if( sqlite3ExprImpliesNonNullRow(p->pLeft, iTab) ) return 1;
      p = p->pRight;
    }else{
................................................................................
    SrcList *pSrc = p->pSrc;
    int nSrc = pSrc ? pSrc->nSrc : 0;
    for(i=0; i<nSrc; i++){
      if( pExpr->iTable==pSrc->a[i].iCursor ) break;
    }
    if( i<nSrc ){
      p->nThis++;
    }else{



      p->nOther++;
    }
  }
  return WRC_Continue;
}

/*
................................................................................
** has no arguments or has only constant arguments.  Return false if pExpr
** references columns but not columns of tables found in pSrcList.
*/
SQLITE_PRIVATE int sqlite3FunctionUsesThisSrc(Expr *pExpr, SrcList *pSrcList){
  Walker w;
  struct SrcCount cnt;
  assert( pExpr->op==TK_AGG_FUNCTION );

  w.xExprCallback = exprSrcCount;
  w.xSelectCallback = 0;
  w.u.pSrcCount = &cnt;
  cnt.pSrc = pSrcList;
  cnt.nThis = 0;
  cnt.nOther = 0;
  sqlite3WalkExprList(&w, pExpr->x.pList);
  return cnt.nThis>0 || cnt.nOther==0;
}
................................................................................

  /* Make sure it is not a system table being altered, or a reserved name
  ** that the table is being renamed to.
  */
  if( SQLITE_OK!=isAlterableTable(pParse, pTab) ){
    goto exit_rename_table;
  }
  if( SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){ goto
    exit_rename_table;
  }

#ifndef SQLITE_OMIT_VIEW
  if( pTab->pSelect ){
    sqlite3ErrorMsg(pParse, "view %s may not be altered", pTab->zName);
    goto exit_rename_table;
  }
................................................................................
**    CREATE TABLE sqlite_stat4(tbl, idx, nEq, nLt, nDLt, sample);
**
** Additional tables might be added in future releases of SQLite.
** The sqlite_stat2 table is not created or used unless the SQLite version
** is between 3.6.18 and 3.7.8, inclusive, and unless SQLite is compiled
** with SQLITE_ENABLE_STAT2.  The sqlite_stat2 table is deprecated.
** The sqlite_stat2 table is superseded by sqlite_stat3, which is only
** created and used by SQLite versions 3.7.9 and later and with
** SQLITE_ENABLE_STAT3 defined.  The functionality of sqlite_stat3
** is a superset of sqlite_stat2.  The sqlite_stat4 is an enhanced
** version of sqlite_stat3 and is only available when compiled with
** SQLITE_ENABLE_STAT4 and in SQLite versions 3.8.1 and later.  It is
** not possible to enable both STAT3 and STAT4 at the same time.  If they
** are both enabled, then STAT4 takes precedence.
**
** For most applications, sqlite_stat1 provides all the statistics required
** for the query planner to make good choices.
**
** Format of sqlite_stat1:
**
** There is normally one row per index, with the index identified by the
................................................................................
** integer in the equivalent columns in sqlite_stat4.
*/
#ifndef SQLITE_OMIT_ANALYZE
/* #include "sqliteInt.h" */

#if defined(SQLITE_ENABLE_STAT4)
# define IsStat4     1
# define IsStat3     0
#elif defined(SQLITE_ENABLE_STAT3)
# define IsStat4     0
# define IsStat3     1
#else
# define IsStat4     0
# define IsStat3     0
# undef SQLITE_STAT4_SAMPLES
# define SQLITE_STAT4_SAMPLES 1
#endif
#define IsStat34    (IsStat3+IsStat4)  /* 1 for STAT3 or STAT4. 0 otherwise */

/*
** This routine generates code that opens the sqlite_statN tables.
** The sqlite_stat1 table is always relevant.  sqlite_stat2 is now
** obsolete.  sqlite_stat3 and sqlite_stat4 are only opened when
** appropriate compile-time options are provided.
**
................................................................................
  static const struct {
    const char *zName;
    const char *zCols;
  } aTable[] = {
    { "sqlite_stat1", "tbl,idx,stat" },
#if defined(SQLITE_ENABLE_STAT4)
    { "sqlite_stat4", "tbl,idx,neq,nlt,ndlt,sample" },
    { "sqlite_stat3", 0 },
#elif defined(SQLITE_ENABLE_STAT3)
    { "sqlite_stat3", "tbl,idx,neq,nlt,ndlt,sample" },
    { "sqlite_stat4", 0 },
#else
    { "sqlite_stat3", 0 },
    { "sqlite_stat4", 0 },
#endif

  };
  int i;
  sqlite3 *db = pParse->db;
  Db *pDb;
  Vdbe *v = sqlite3GetVdbe(pParse);
  int aRoot[ArraySize(aTable)];
  u8 aCreateTbl[ArraySize(aTable)];
................................................................................
** information.
*/
typedef struct Stat4Accum Stat4Accum;
typedef struct Stat4Sample Stat4Sample;
struct Stat4Sample {
  tRowcnt *anEq;                  /* sqlite_stat4.nEq */
  tRowcnt *anDLt;                 /* sqlite_stat4.nDLt */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  tRowcnt *anLt;                  /* sqlite_stat4.nLt */
  union {
    i64 iRowid;                     /* Rowid in main table of the key */
    u8 *aRowid;                     /* Key for WITHOUT ROWID tables */
  } u;
  u32 nRowid;                     /* Sizeof aRowid[] */
  u8 isPSample;                   /* True if a periodic sample */
................................................................................
  int iGet;                 /* Index of current sample accessed by stat_get() */
  Stat4Sample *a;           /* Array of mxSample Stat4Sample objects */
  sqlite3 *db;              /* Database connection, for malloc() */
};

/* Reclaim memory used by a Stat4Sample
*/
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
static void sampleClear(sqlite3 *db, Stat4Sample *p){
  assert( db!=0 );
  if( p->nRowid ){
    sqlite3DbFree(db, p->u.aRowid);
    p->nRowid = 0;
  }
}
#endif

/* Initialize the BLOB value of a ROWID
*/
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
static void sampleSetRowid(sqlite3 *db, Stat4Sample *p, int n, const u8 *pData){
  assert( db!=0 );
  if( p->nRowid ) sqlite3DbFree(db, p->u.aRowid);
  p->u.aRowid = sqlite3DbMallocRawNN(db, n);
  if( p->u.aRowid ){
    p->nRowid = n;
    memcpy(p->u.aRowid, pData, n);
................................................................................
    p->nRowid = 0;
  }
}
#endif

/* Initialize the INTEGER value of a ROWID.
*/
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
static void sampleSetRowidInt64(sqlite3 *db, Stat4Sample *p, i64 iRowid){
  assert( db!=0 );
  if( p->nRowid ) sqlite3DbFree(db, p->u.aRowid);
  p->nRowid = 0;
  p->u.iRowid = iRowid;
}
#endif


/*
** Copy the contents of object (*pFrom) into (*pTo).
*/
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
static void sampleCopy(Stat4Accum *p, Stat4Sample *pTo, Stat4Sample *pFrom){
  pTo->isPSample = pFrom->isPSample;
  pTo->iCol = pFrom->iCol;
  pTo->iHash = pFrom->iHash;
  memcpy(pTo->anEq, pFrom->anEq, sizeof(tRowcnt)*p->nCol);
  memcpy(pTo->anLt, pFrom->anLt, sizeof(tRowcnt)*p->nCol);
  memcpy(pTo->anDLt, pFrom->anDLt, sizeof(tRowcnt)*p->nCol);
................................................................................
#endif

/*
** Reclaim all memory of a Stat4Accum structure.
*/
static void stat4Destructor(void *pOld){
  Stat4Accum *p = (Stat4Accum*)pOld;
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  int i;
  for(i=0; i<p->nCol; i++) sampleClear(p->db, p->aBest+i);
  for(i=0; i<p->mxSample; i++) sampleClear(p->db, p->a+i);
  sampleClear(p->db, &p->current);
#endif
  sqlite3DbFree(p->db, p);
}
................................................................................
**     K:    The number of columns in the index excluding the rowid/pk.
**     C:    The number of rows in the index (note 2)
**
** Note 1:  In the special case of the covering index that implements a
** WITHOUT ROWID table, N is the number of PRIMARY KEY columns, not the
** total number of columns in the table.
**
** Note 2:  C is only used for STAT3 and STAT4.
**
** For indexes on ordinary rowid tables, N==K+1.  But for indexes on
** WITHOUT ROWID tables, N=K+P where P is the number of columns in the
** PRIMARY KEY of the table.  The covering index that implements the
** original WITHOUT ROWID table as N==K as a special case.
**
** This routine allocates the Stat4Accum object in heap memory. The return 
................................................................................
){
  Stat4Accum *p;
  int nCol;                       /* Number of columns in index being sampled */
  int nKeyCol;                    /* Number of key columns */
  int nColUp;                     /* nCol rounded up for alignment */
  int n;                          /* Bytes of space to allocate */
  sqlite3 *db;                    /* Database connection */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  int mxSample = SQLITE_STAT4_SAMPLES;
#endif

  /* Decode the three function arguments */
  UNUSED_PARAMETER(argc);
  nCol = sqlite3_value_int(argv[0]);
  assert( nCol>0 );
................................................................................
  assert( nKeyCol<=nCol );
  assert( nKeyCol>0 );

  /* Allocate the space required for the Stat4Accum object */
  n = sizeof(*p) 
    + sizeof(tRowcnt)*nColUp                  /* Stat4Accum.anEq */
    + sizeof(tRowcnt)*nColUp                  /* Stat4Accum.anDLt */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    + sizeof(tRowcnt)*nColUp                  /* Stat4Accum.anLt */
    + sizeof(Stat4Sample)*(nCol+mxSample)     /* Stat4Accum.aBest[], a[] */
    + sizeof(tRowcnt)*3*nColUp*(nCol+mxSample)
#endif
  ;
  db = sqlite3_context_db_handle(context);
  p = sqlite3DbMallocZero(db, n);
................................................................................
  p->db = db;
  p->nRow = 0;
  p->nCol = nCol;
  p->nKeyCol = nKeyCol;
  p->current.anDLt = (tRowcnt*)&p[1];
  p->current.anEq = &p->current.anDLt[nColUp];

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  {
    u8 *pSpace;                     /* Allocated space not yet assigned */
    int i;                          /* Used to iterate through p->aSample[] */

    p->iGet = -1;
    p->mxSample = mxSample;
    p->nPSample = (tRowcnt)(sqlite3_value_int64(argv[2])/(mxSample/3+1) + 1);
................................................................................
  /* Return a pointer to the allocated object to the caller.  Note that
  ** only the pointer (the 2nd parameter) matters.  The size of the object
  ** (given by the 3rd parameter) is never used and can be any positive
  ** value. */
  sqlite3_result_blob(context, p, sizeof(*p), stat4Destructor);
}
static const FuncDef statInitFuncdef = {
  2+IsStat34,      /* nArg */
  SQLITE_UTF8,     /* funcFlags */
  0,               /* pUserData */
  0,               /* pNext */
  statInit,        /* xSFunc */
  0,               /* xFinalize */
  0, 0,            /* xValue, xInverse */
  "stat_init",     /* zName */
................................................................................
    if( pNew->anEq[i]<pOld->anEq[i] ) return 0;
  }
  if( pNew->iHash>pOld->iHash ) return 1;
  return 0;
}
#endif

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return true if pNew is to be preferred over pOld.
**
** This function assumes that for each argument sample, the contents of
** the anEq[] array from pSample->anEq[pSample->iCol] onwards are valid. 
*/
static int sampleIsBetter(
................................................................................
  tRowcnt nEqNew = pNew->anEq[pNew->iCol];
  tRowcnt nEqOld = pOld->anEq[pOld->iCol];

  assert( pOld->isPSample==0 && pNew->isPSample==0 );
  assert( IsStat4 || (pNew->iCol==0 && pOld->iCol==0) );

  if( (nEqNew>nEqOld) ) return 1;
#ifdef SQLITE_ENABLE_STAT4
  if( nEqNew==nEqOld ){
    if( pNew->iCol<pOld->iCol ) return 1;
    return (pNew->iCol==pOld->iCol && sampleIsBetterPost(pAccum, pNew, pOld));
  }
  return 0;
#else
  return (nEqNew==nEqOld && pNew->iHash>pOld->iHash);
#endif
}

/*
** Copy the contents of sample *pNew into the p->a[] array. If necessary,
** remove the least desirable sample from p->a[] to make room.
*/
static void sampleInsert(Stat4Accum *p, Stat4Sample *pNew, int nEqZero){
  Stat4Sample *pSample = 0;
  int i;

  assert( IsStat4 || nEqZero==0 );

#ifdef SQLITE_ENABLE_STAT4
  /* Stat4Accum.nMaxEqZero is set to the maximum number of leading 0
  ** values in the anEq[] array of any sample in Stat4Accum.a[]. In
  ** other words, if nMaxEqZero is n, then it is guaranteed that there
  ** are no samples with Stat4Sample.anEq[m]==0 for (m>=n). */
  if( nEqZero>p->nMaxEqZero ){
    p->nMaxEqZero = nEqZero;
  }
................................................................................
    }
    if( pUpgrade ){
      pUpgrade->iCol = pNew->iCol;
      pUpgrade->anEq[pUpgrade->iCol] = pNew->anEq[pUpgrade->iCol];
      goto find_new_min;
    }
  }
#endif

  /* If necessary, remove sample iMin to make room for the new sample. */
  if( p->nSample>=p->mxSample ){
    Stat4Sample *pMin = &p->a[p->iMin];
    tRowcnt *anEq = pMin->anEq;
    tRowcnt *anLt = pMin->anLt;
    tRowcnt *anDLt = pMin->anDLt;
................................................................................
    pSample->anLt = anLt;
    p->nSample = p->mxSample-1;
  }

  /* The "rows less-than" for the rowid column must be greater than that
  ** for the last sample in the p->a[] array. Otherwise, the samples would
  ** be out of order. */
#ifdef SQLITE_ENABLE_STAT4
  assert( p->nSample==0 
       || pNew->anLt[p->nCol-1] > p->a[p->nSample-1].anLt[p->nCol-1] );
#endif

  /* Insert the new sample */
  pSample = &p->a[p->nSample];
  sampleCopy(p, pSample, pNew);
  p->nSample++;

  /* Zero the first nEqZero entries in the anEq[] array. */
  memset(pSample->anEq, 0, sizeof(tRowcnt)*nEqZero);

#ifdef SQLITE_ENABLE_STAT4
 find_new_min:
#endif
  if( p->nSample>=p->mxSample ){
    int iMin = -1;
    for(i=0; i<p->mxSample; i++){
      if( p->a[i].isPSample ) continue;
      if( iMin<0 || sampleIsBetter(p, &p->a[iMin], &p->a[i]) ){
        iMin = i;
      }
    }
    assert( iMin>=0 );
    p->iMin = iMin;
  }
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */

/*
** Field iChng of the index being scanned has changed. So at this point
** p->current contains a sample that reflects the previous row of the
** index. The value of anEq[iChng] and subsequent anEq[] elements are
** correct at this point.
*/
................................................................................
        if( p->a[i].anEq[j]==0 ) p->a[i].anEq[j] = p->current.anEq[j];
      }
    }
    p->nMaxEqZero = iChng;
  }
#endif

#if defined(SQLITE_ENABLE_STAT3) && !defined(SQLITE_ENABLE_STAT4)
  if( iChng==0 ){
    tRowcnt nLt = p->current.anLt[0];
    tRowcnt nEq = p->current.anEq[0];

    /* Check if this is to be a periodic sample. If so, add it. */
    if( (nLt/p->nPSample)!=(nLt+nEq)/p->nPSample ){
      p->current.isPSample = 1;
      sampleInsert(p, &p->current, 0);
      p->current.isPSample = 0;
    }else 

    /* Or if it is a non-periodic sample. Add it in this case too. */
    if( p->nSample<p->mxSample 
     || sampleIsBetter(p, &p->current, &p->a[p->iMin]) 
    ){
      sampleInsert(p, &p->current, 0);
    }
  }
#endif

#ifndef SQLITE_ENABLE_STAT3_OR_STAT4
  UNUSED_PARAMETER( p );
  UNUSED_PARAMETER( iChng );
#endif
}

/*
** Implementation of the stat_push SQL function:  stat_push(P,C,R)
................................................................................
**          WITHOUT ROWID tables.
**
** This SQL function always returns NULL.  It's purpose it to accumulate
** statistical data and/or samples in the Stat4Accum object about the
** index being analyzed.  The stat_get() SQL function will later be used to
** extract relevant information for constructing the sqlite_statN tables.
**
** The R parameter is only used for STAT3 and STAT4
*/
static void statPush(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  int i;
................................................................................
    /* Update anDLt[], anLt[] and anEq[] to reflect the values that apply
    ** to the current row of the index. */
    for(i=0; i<iChng; i++){
      p->current.anEq[i]++;
    }
    for(i=iChng; i<p->nCol; i++){
      p->current.anDLt[i]++;
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
      p->current.anLt[i] += p->current.anEq[i];
#endif
      p->current.anEq[i] = 1;
    }
  }
  p->nRow++;
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( sqlite3_value_type(argv[2])==SQLITE_INTEGER ){
    sampleSetRowidInt64(p->db, &p->current, sqlite3_value_int64(argv[2]));
  }else{
    sampleSetRowid(p->db, &p->current, sqlite3_value_bytes(argv[2]),
                                       sqlite3_value_blob(argv[2]));
  }
  p->current.iHash = p->iPrn = p->iPrn*1103515245 + 12345;
................................................................................
        sampleCopy(p, &p->aBest[i], &p->current);
      }
    }
  }
#endif
}
static const FuncDef statPushFuncdef = {
  2+IsStat34,      /* nArg */
  SQLITE_UTF8,     /* funcFlags */
  0,               /* pUserData */
  0,               /* pNext */
  statPush,        /* xSFunc */
  0,               /* xFinalize */
  0, 0,            /* xValue, xInverse */
  "stat_push",     /* zName */
................................................................................
**
** The stat_get(P,J) function is not available to generic SQL.  It is
** inserted as part of a manually constructed bytecode program.  (See
** the callStatGet() routine below.)  It is guaranteed that the P
** parameter will always be a poiner to a Stat4Accum object, never a
** NULL.
**
** If neither STAT3 nor STAT4 are enabled, then J is always
** STAT_GET_STAT1 and is hence omitted and this routine becomes
** a one-parameter function, stat_get(P), that always returns the
** stat1 table entry information.
*/
static void statGet(
  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  Stat4Accum *p = (Stat4Accum*)sqlite3_value_blob(argv[0]);
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  /* STAT3 and STAT4 have a parameter on this routine. */
  int eCall = sqlite3_value_int(argv[1]);
  assert( argc==2 );
  assert( eCall==STAT_GET_STAT1 || eCall==STAT_GET_NEQ 
       || eCall==STAT_GET_ROWID || eCall==STAT_GET_NLT
       || eCall==STAT_GET_NDLT 
  );
  if( eCall==STAT_GET_STAT1 )
................................................................................
      z += sqlite3Strlen30(z);
      assert( p->current.anEq[i] );
    }
    assert( z[0]=='\0' && z>zRet );

    sqlite3_result_text(context, zRet, -1, sqlite3_free);
  }
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  else if( eCall==STAT_GET_ROWID ){
    if( p->iGet<0 ){
      samplePushPrevious(p, 0);
      p->iGet = 0;
    }
    if( p->iGet<p->nSample ){
      Stat4Sample *pS = p->a + p->iGet;
................................................................................
      default: {
        aCnt = p->a[p->iGet].anDLt; 
        p->iGet++;
        break;
      }
    }

    if( IsStat3 ){
      sqlite3_result_int64(context, (i64)aCnt[0]);
    }else{
      char *zRet = sqlite3MallocZero(p->nCol * 25);
      if( zRet==0 ){
        sqlite3_result_error_nomem(context);
      }else{
        int i;
        char *z = zRet;
        for(i=0; i<p->nCol; i++){
................................................................................
        }
        assert( z[0]=='\0' && z>zRet );
        z[-1] = '\0';
        sqlite3_result_text(context, zRet, -1, sqlite3_free);
      }
    }
  }
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */
#ifndef SQLITE_DEBUG
  UNUSED_PARAMETER( argc );
#endif
}
static const FuncDef statGetFuncdef = {
  1+IsStat34,      /* nArg */
  SQLITE_UTF8,     /* funcFlags */
  0,               /* pUserData */
  0,               /* pNext */
  statGet,         /* xSFunc */
  0,               /* xFinalize */
  0, 0,            /* xValue, xInverse */
  "stat_get",      /* zName */
  {0}
};

static void callStatGet(Vdbe *v, int regStat4, int iParam, int regOut){
  assert( regOut!=regStat4 && regOut!=regStat4+1 );
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  sqlite3VdbeAddOp2(v, OP_Integer, iParam, regStat4+1);
#elif SQLITE_DEBUG
  assert( iParam==STAT_GET_STAT1 );
#else
  UNUSED_PARAMETER( iParam );
#endif
  sqlite3VdbeAddOp4(v, OP_Function0, 0, regStat4, regOut,
                    (char*)&statGetFuncdef, P4_FUNCDEF);
  sqlite3VdbeChangeP5(v, 1 + IsStat34);
}

/*
** Generate code to do an analysis of all indices associated with
** a single table.
*/
static void analyzeOneTable(
................................................................................
  int i;                       /* Loop counter */
  int jZeroRows = -1;          /* Jump from here if number of rows is zero */
  int iDb;                     /* Index of database containing pTab */
  u8 needTableCnt = 1;         /* True to count the table */
  int regNewRowid = iMem++;    /* Rowid for the inserted record */
  int regStat4 = iMem++;       /* Register to hold Stat4Accum object */
  int regChng = iMem++;        /* Index of changed index field */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  int regRowid = iMem++;       /* Rowid argument passed to stat_push() */
#endif
  int regTemp = iMem++;        /* Temporary use register */
  int regTabname = iMem++;     /* Register containing table name */
  int regIdxname = iMem++;     /* Register containing index name */
  int regStat1 = iMem++;       /* Value for the stat column of sqlite_stat1 */
  int regPrev = iMem;          /* MUST BE LAST (see below) */
................................................................................
    ** 
    **    (1) the number of columns in the index including the rowid
    **        (or for a WITHOUT ROWID table, the number of PK columns),
    **    (2) the number of columns in the key without the rowid/pk
    **    (3) the number of rows in the index,
    **
    **
    ** The third argument is only used for STAT3 and STAT4
    */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    sqlite3VdbeAddOp2(v, OP_Count, iIdxCur, regStat4+3);
#endif
    sqlite3VdbeAddOp2(v, OP_Integer, nCol, regStat4+1);
    sqlite3VdbeAddOp2(v, OP_Integer, pIdx->nKeyCol, regStat4+2);
    sqlite3VdbeAddOp4(v, OP_Function0, 0, regStat4+1, regStat4,
                     (char*)&statInitFuncdef, P4_FUNCDEF);
    sqlite3VdbeChangeP5(v, 2+IsStat34);

    /* Implementation of the following:
    **
    **   Rewind csr
    **   if eof(csr) goto end_of_scan;
    **   regChng = 0
    **   goto next_push_0;
................................................................................
      }
      sqlite3VdbeResolveLabel(v, endDistinctTest);
      sqlite3DbFree(db, aGotoChng);
    }
  
    /*
    **  chng_addr_N:
    **   regRowid = idx(rowid)            // STAT34 only
    **   stat_push(P, regChng, regRowid)  // 3rd parameter STAT34 only
    **   Next csr
    **   if !eof(csr) goto next_row;
    */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    assert( regRowid==(regStat4+2) );
    if( HasRowid(pTab) ){
      sqlite3VdbeAddOp2(v, OP_IdxRowid, iIdxCur, regRowid);
    }else{
      Index *pPk = sqlite3PrimaryKeyIndex(pIdx->pTable);
      int j, k, regKey;
      regKey = sqlite3GetTempRange(pParse, pPk->nKeyCol);
................................................................................
      sqlite3VdbeAddOp3(v, OP_MakeRecord, regKey, pPk->nKeyCol, regRowid);
      sqlite3ReleaseTempRange(pParse, regKey, pPk->nKeyCol);
    }
#endif
    assert( regChng==(regStat4+1) );
    sqlite3VdbeAddOp4(v, OP_Function0, 1, regStat4, regTemp,
                     (char*)&statPushFuncdef, P4_FUNCDEF);
    sqlite3VdbeChangeP5(v, 2+IsStat34);
    sqlite3VdbeAddOp2(v, OP_Next, iIdxCur, addrNextRow); VdbeCoverage(v);

    /* Add the entry to the stat1 table. */
    callStatGet(v, regStat4, STAT_GET_STAT1, regStat1);
    assert( "BBB"[0]==SQLITE_AFF_TEXT );
    sqlite3VdbeAddOp4(v, OP_MakeRecord, regTabname, 3, regTemp, "BBB", 0);
    sqlite3VdbeAddOp2(v, OP_NewRowid, iStatCur, regNewRowid);
    sqlite3VdbeAddOp3(v, OP_Insert, iStatCur, regTemp, regNewRowid);
#ifdef SQLITE_ENABLE_PREUPDATE_HOOK
    sqlite3VdbeChangeP4(v, -1, (char*)pStat1, P4_TABLE);
#endif
    sqlite3VdbeChangeP5(v, OPFLAG_APPEND);

    /* Add the entries to the stat3 or stat4 table. */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    {
      int regEq = regStat1;
      int regLt = regStat1+1;
      int regDLt = regStat1+2;
      int regSample = regStat1+3;
      int regCol = regStat1+4;
      int regSampleRowid = regCol + nCol;
................................................................................
      addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, regSampleRowid);
      VdbeCoverage(v);
      callStatGet(v, regStat4, STAT_GET_NEQ, regEq);
      callStatGet(v, regStat4, STAT_GET_NLT, regLt);
      callStatGet(v, regStat4, STAT_GET_NDLT, regDLt);
      sqlite3VdbeAddOp4Int(v, seekOp, iTabCur, addrNext, regSampleRowid, 0);
      VdbeCoverage(v);
#ifdef SQLITE_ENABLE_STAT3
      sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iTabCur, 0, regSample);
#else
      for(i=0; i<nCol; i++){
        sqlite3ExprCodeLoadIndexColumn(pParse, pIdx, iTabCur, i, regCol+i);
      }
      sqlite3VdbeAddOp3(v, OP_MakeRecord, regCol, nCol, regSample);
#endif
      sqlite3VdbeAddOp3(v, OP_MakeRecord, regTabname, 6, regTemp);
      sqlite3VdbeAddOp2(v, OP_NewRowid, iStatCur+1, regNewRowid);
      sqlite3VdbeAddOp3(v, OP_Insert, iStatCur+1, regTemp, regNewRowid);
      sqlite3VdbeAddOp2(v, OP_Goto, 1, addrNext); /* P1==1 for end-of-loop */
      sqlite3VdbeJumpHere(v, addrIsNull);
    }
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */

    /* End of analysis */
    sqlite3VdbeJumpHere(v, addrRewind);
  }


  /* Create a single sqlite_stat1 entry containing NULL as the index
................................................................................
  Index *pIndex          /* Handle extra flags for this index, if not NULL */
){
  char *z = zIntArray;
  int c;
  int i;
  tRowcnt v;

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( z==0 ) z = "";
#else
  assert( z!=0 );
#endif
  for(i=0; *z && i<nOut; i++){
    v = 0;
    while( (c=z[0])>='0' && c<='9' ){
      v = v*10 + c - '0';
      z++;
    }
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    if( aOut ) aOut[i] = v;
    if( aLog ) aLog[i] = sqlite3LogEst(v);
#else
    assert( aOut==0 );
    UNUSED_PARAMETER(aOut);
    assert( aLog!=0 );
    aLog[i] = sqlite3LogEst(v);
#endif
    if( *z==' ' ) z++;
  }
#ifndef SQLITE_ENABLE_STAT3_OR_STAT4
  assert( pIndex!=0 ); {
#else
  if( pIndex ){
#endif
    pIndex->bUnordered = 0;
    pIndex->noSkipScan = 0;
    while( z[0] ){
      if( sqlite3_strglob("unordered*", z)==0 ){
        pIndex->bUnordered = 1;
      }else if( sqlite3_strglob("sz=[0-9]*", z)==0 ){


        pIndex->szIdxRow = sqlite3LogEst(sqlite3Atoi(z+3));
      }else if( sqlite3_strglob("noskipscan*", z)==0 ){
        pIndex->noSkipScan = 1;
      }
#ifdef SQLITE_ENABLE_COSTMULT
      else if( sqlite3_strglob("costmult=[0-9]*",z)==0 ){
        pIndex->pTable->costMult = sqlite3LogEst(sqlite3Atoi(z+9));
      }
................................................................................
    pIndex = sqlite3FindIndex(pInfo->db, argv[1], pInfo->zDatabase);
  }
  z = argv[2];

  if( pIndex ){
    tRowcnt *aiRowEst = 0;
    int nCol = pIndex->nKeyCol+1;
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    /* Index.aiRowEst may already be set here if there are duplicate 
    ** sqlite_stat1 entries for this index. In that case just clobber
    ** the old data with the new instead of allocating a new array.  */
    if( pIndex->aiRowEst==0 ){
      pIndex->aiRowEst = (tRowcnt*)sqlite3MallocZero(sizeof(tRowcnt) * nCol);
      if( pIndex->aiRowEst==0 ) sqlite3OomFault(pInfo->db);
    }
................................................................................
}

/*
** If the Index.aSample variable is not NULL, delete the aSample[] array
** and its contents.
*/
SQLITE_PRIVATE void sqlite3DeleteIndexSamples(sqlite3 *db, Index *pIdx){
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( pIdx->aSample ){
    int j;
    for(j=0; j<pIdx->nSample; j++){
      IndexSample *p = &pIdx->aSample[j];
      sqlite3DbFree(db, p->p);
    }
    sqlite3DbFree(db, pIdx->aSample);
................................................................................
  if( db && db->pnBytesFreed==0 ){
    pIdx->nSample = 0;
    pIdx->aSample = 0;
  }
#else
  UNUSED_PARAMETER(db);
  UNUSED_PARAMETER(pIdx);
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */
}

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Populate the pIdx->aAvgEq[] array based on the samples currently
** stored in pIdx->aSample[]. 
*/
static void initAvgEq(Index *pIdx){
  if( pIdx ){
    IndexSample *aSample = pIdx->aSample;
................................................................................
    Table *pTab = sqlite3FindTable(db, zName, zDb);
    if( pTab && !HasRowid(pTab) ) pIdx = sqlite3PrimaryKeyIndex(pTab);
  }
  return pIdx;
}

/*
** Load the content from either the sqlite_stat4 or sqlite_stat3 table 
** into the relevant Index.aSample[] arrays.
**
** Arguments zSql1 and zSql2 must point to SQL statements that return
** data equivalent to the following (statements are different for stat3,
** see the caller of this function for details):
**
**    zSql1: SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx
**    zSql2: SELECT idx,neq,nlt,ndlt,sample FROM %Q.sqlite_stat4
**
** where %Q is replaced with the database name before the SQL is executed.
*/
static int loadStatTbl(
  sqlite3 *db,                  /* Database handle */
  int bStat3,                   /* Assume single column records only */
  const char *zSql1,            /* SQL statement 1 (see above) */
  const char *zSql2,            /* SQL statement 2 (see above) */
  const char *zDb               /* Database name (e.g. "main") */
){
  int rc;                       /* Result codes from subroutines */
  sqlite3_stmt *pStmt = 0;      /* An SQL statement being run */
  char *zSql;                   /* Text of the SQL statement */
................................................................................
    int i;          /* Bytes of space required */
    tRowcnt *pSpace;

    zIndex = (char *)sqlite3_column_text(pStmt, 0);
    if( zIndex==0 ) continue;
    nSample = sqlite3_column_int(pStmt, 1);
    pIdx = findIndexOrPrimaryKey(db, zIndex, zDb);
    assert( pIdx==0 || bStat3 || pIdx->nSample==0 );
    /* Index.nSample is non-zero at this point if data has already been
    ** loaded from the stat4 table. In this case ignore stat3 data.  */
    if( pIdx==0 || pIdx->nSample ) continue;
    if( bStat3==0 ){
      assert( !HasRowid(pIdx->pTable) || pIdx->nColumn==pIdx->nKeyCol+1 );
      if( !HasRowid(pIdx->pTable) && IsPrimaryKeyIndex(pIdx) ){
        nIdxCol = pIdx->nKeyCol;
      }else{
        nIdxCol = pIdx->nColumn;
      }
    }
    pIdx->nSampleCol = nIdxCol;
    nByte = sizeof(IndexSample) * nSample;
    nByte += sizeof(tRowcnt) * nIdxCol * 3 * nSample;
    nByte += nIdxCol * sizeof(tRowcnt);     /* Space for Index.aAvgEq[] */

    pIdx->aSample = sqlite3DbMallocZero(db, nByte);
................................................................................
    int nCol = 1;                 /* Number of columns in index */

    zIndex = (char *)sqlite3_column_text(pStmt, 0);
    if( zIndex==0 ) continue;
    pIdx = findIndexOrPrimaryKey(db, zIndex, zDb);
    if( pIdx==0 ) continue;
    /* This next condition is true if data has already been loaded from 
    ** the sqlite_stat4 table. In this case ignore stat3 data.  */
    nCol = pIdx->nSampleCol;
    if( bStat3 && nCol>1 ) continue;
    if( pIdx!=pPrevIdx ){
      initAvgEq(pPrevIdx);
      pPrevIdx = pIdx;
    }
    pSample = &pIdx->aSample[pIdx->nSample];
    decodeIntArray((char*)sqlite3_column_text(pStmt,1),nCol,pSample->anEq,0,0);
    decodeIntArray((char*)sqlite3_column_text(pStmt,2),nCol,pSample->anLt,0,0);
................................................................................
  }
  rc = sqlite3_finalize(pStmt);
  if( rc==SQLITE_OK ) initAvgEq(pPrevIdx);
  return rc;
}

/*
** Load content from the sqlite_stat4 and sqlite_stat3 tables into 
** the Index.aSample[] arrays of all indices.
*/
static int loadStat4(sqlite3 *db, const char *zDb){
  int rc = SQLITE_OK;             /* Result codes from subroutines */

  assert( db->lookaside.bDisable );
  if( sqlite3FindTable(db, "sqlite_stat4", zDb) ){
    rc = loadStatTbl(db, 0,
      "SELECT idx,count(*) FROM %Q.sqlite_stat4 GROUP BY idx", 
      "SELECT idx,neq,nlt,ndlt,sample FROM %Q.sqlite_stat4",
      zDb
    );
  }

  if( rc==SQLITE_OK && sqlite3FindTable(db, "sqlite_stat3", zDb) ){
    rc = loadStatTbl(db, 1,
      "SELECT idx,count(*) FROM %Q.sqlite_stat3 GROUP BY idx", 
      "SELECT idx,neq,nlt,ndlt,sqlite_record(sample) FROM %Q.sqlite_stat3",
      zDb
    );
  }

  return rc;
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */

/*
** Load the content of the sqlite_stat1 and sqlite_stat3/4 tables. The
** contents of sqlite_stat1 are used to populate the Index.aiRowEst[]
** arrays. The contents of sqlite_stat3/4 are used to populate the
** Index.aSample[] arrays.
**
** If the sqlite_stat1 table is not present in the database, SQLITE_ERROR
** is returned. In this case, even if SQLITE_ENABLE_STAT3/4 was defined 
** during compilation and the sqlite_stat3/4 table is present, no data is 
** read from it.
**
** If SQLITE_ENABLE_STAT3/4 was defined during compilation and the 
** sqlite_stat4 table is not present in the database, SQLITE_ERROR is
** returned. However, in this case, data is read from the sqlite_stat1
** table (if it is present) before returning.
**
** If an OOM error occurs, this function always sets db->mallocFailed.
** This means if the caller does not care about other errors, the return
** code may be ignored.
................................................................................
  for(i=sqliteHashFirst(&pSchema->tblHash); i; i=sqliteHashNext(i)){
    Table *pTab = sqliteHashData(i);
    pTab->tabFlags &= ~TF_HasStat1;
  }
  for(i=sqliteHashFirst(&pSchema->idxHash); i; i=sqliteHashNext(i)){
    Index *pIdx = sqliteHashData(i);
    pIdx->hasStat1 = 0;
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    sqlite3DeleteIndexSamples(db, pIdx);
    pIdx->aSample = 0;
#endif
  }

  /* Load new statistics out of the sqlite_stat1 table */
  sInfo.db = db;
................................................................................
  assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
  for(i=sqliteHashFirst(&pSchema->idxHash); i; i=sqliteHashNext(i)){
    Index *pIdx = sqliteHashData(i);
    if( !pIdx->hasStat1 ) sqlite3DefaultRowEst(pIdx);
  }

  /* Load the statistics from the sqlite_stat4 table. */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  if( rc==SQLITE_OK ){
    db->lookaside.bDisable++;
    rc = loadStat4(db, sInfo.zDatabase);
    db->lookaside.bDisable--;
  }
  for(i=sqliteHashFirst(&pSchema->idxHash); i; i=sqliteHashNext(i)){
    Index *pIdx = sqliteHashData(i);
................................................................................
  int NotUsed,
  sqlite3_value **argv
){
  const char *zName = (const char *)sqlite3_value_text(argv[0]);
  sqlite3 *db = sqlite3_context_db_handle(context);
  int i;
  Db *pDb = 0;

  char zErr[128];

  UNUSED_PARAMETER(NotUsed);

  if( zName==0 ) zName = "";
  for(i=0; i<db->nDb; i++){
    pDb = &db->aDb[i];
................................................................................
    sqlite3_snprintf(sizeof(zErr),zErr, "cannot detach database %s", zName);
    goto detach_error;
  }
  if( sqlite3BtreeIsInReadTrans(pDb->pBt) || sqlite3BtreeIsInBackup(pDb->pBt) ){
    sqlite3_snprintf(sizeof(zErr),zErr, "database %s is locked", zName);
    goto detach_error;
  }













  sqlite3BtreeClose(pDb->pBt);
  pDb->pBt = 0;
  pDb->pSchema = 0;
  sqlite3CollapseDatabaseArray(db);
  return;

................................................................................
  return 0;
}
SQLITE_PRIVATE int sqlite3FixExpr(
  DbFixer *pFix,     /* Context of the fixation */
  Expr *pExpr        /* The expression to be fixed to one database */
){
  while( pExpr ){

    if( pExpr->op==TK_VARIABLE ){
      if( pFix->pParse->db->init.busy ){
        pExpr->op = TK_NULL;
      }else{
        sqlite3ErrorMsg(pFix->pParse, "%s cannot use variables", pFix->zType);
        return 1;
      }
................................................................................
){
#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) ) return SQLITE_MISUSE_BKPT;
#endif
  sqlite3_mutex_enter(db->mutex);
  db->xAuth = (sqlite3_xauth)xAuth;
  db->pAuthArg = pArg;
  sqlite3ExpirePreparedStatements(db, 0);
  sqlite3_mutex_leave(db->mutex);
  return SQLITE_OK;
}

/*
** Write an error message into pParse->zErrMsg that explains that the
** user-supplied authorization function returned an illegal value.
................................................................................
#ifndef SQLITE_OMIT_ANALYZE
  sqlite3DeleteIndexSamples(db, p);
#endif
  sqlite3ExprDelete(db, p->pPartIdxWhere);
  sqlite3ExprListDelete(db, p->aColExpr);
  sqlite3DbFree(db, p->zColAff);
  if( p->isResized ) sqlite3DbFree(db, (void *)p->azColl);
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  sqlite3_free(p->aiRowEst);
#endif
  sqlite3DbFree(db, p);
}

/*
** For the index called zIdxName which is found in the database iDb,
................................................................................

/*
** This routine is used to check if the UTF-8 string zName is a legal
** unqualified name for a new schema object (table, index, view or
** trigger). All names are legal except those that begin with the string
** "sqlite_" (in upper, lower or mixed case). This portion of the namespace
** is reserved for internal use.




*/
SQLITE_PRIVATE int sqlite3CheckObjectName(Parse *pParse, const char *zName){





















  if( !pParse->db->init.busy && pParse->nested==0 
          && sqlite3WritableSchema(pParse->db)==0
          && 0==sqlite3StrNICmp(zName, "sqlite_", 7) ){

    sqlite3ErrorMsg(pParse, "object name reserved for internal use: %s", zName);

    return SQLITE_ERROR;

  }
  return SQLITE_OK;
}

/*
** Return the PRIMARY KEY index of a table
*/
................................................................................
    zName = sqlite3NameFromToken(db, pName);
    if( IN_RENAME_OBJECT ){
      sqlite3RenameTokenMap(pParse, (void*)zName, pName);
    }
  }
  pParse->sNameToken = *pName;
  if( zName==0 ) return;
  if( SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
    goto begin_table_error;
  }
  if( db->init.iDb==1 ) isTemp = 1;
#ifndef SQLITE_OMIT_AUTHORIZATION
  assert( isTemp==0 || isTemp==1 );
  assert( isView==0 || isView==1 );
  {
................................................................................
      Expr *pCExpr = sqlite3ExprSkipCollate(pList->a[0].pExpr);
      sqlite3RenameTokenRemap(pParse, &pTab->iPKey, pCExpr);
    }
    pTab->iPKey = iCol;
    pTab->keyConf = (u8)onError;
    assert( autoInc==0 || autoInc==1 );
    pTab->tabFlags |= autoInc*TF_Autoincrement;
    if( pList ) pParse->iPkSortOrder = pList->a[0].sortOrder;
  }else if( autoInc ){
#ifndef SQLITE_OMIT_AUTOINCREMENT
    sqlite3ErrorMsg(pParse, "AUTOINCREMENT is only allowed on an "
       "INTEGER PRIMARY KEY");
#endif
  }else{
    sqlite3CreateIndex(pParse, 0, 0, 0, pList, onError, 0,
................................................................................
**
** For virtual tables, only (1) is performed.
*/
static void convertToWithoutRowidTable(Parse *pParse, Table *pTab){
  Index *pIdx;
  Index *pPk;
  int nPk;

  int i, j;
  sqlite3 *db = pParse->db;
  Vdbe *v = pParse->pVdbe;

  /* Mark every PRIMARY KEY column as NOT NULL (except for imposter tables)
  */
  if( !db->init.imposterTable ){
................................................................................
    sqlite3TokenInit(&ipkToken, pTab->aCol[pTab->iPKey].zName);
    pList = sqlite3ExprListAppend(pParse, 0, 
                  sqlite3ExprAlloc(db, TK_ID, &ipkToken, 0));
    if( pList==0 ) return;
    if( IN_RENAME_OBJECT ){
      sqlite3RenameTokenRemap(pParse, pList->a[0].pExpr, &pTab->iPKey);
    }
    pList->a[0].sortOrder = pParse->iPkSortOrder;
    assert( pParse->pNewTable==pTab );
    pTab->iPKey = -1;
    sqlite3CreateIndex(pParse, 0, 0, 0, pList, pTab->keyConf, 0, 0, 0, 0,
                       SQLITE_IDXTYPE_PRIMARYKEY);
    if( db->mallocFailed || pParse->nErr ) return;
    pPk = sqlite3PrimaryKeyIndex(pTab);

  }else{
    pPk = sqlite3PrimaryKeyIndex(pTab);
    assert( pPk!=0 );

    /*
    ** Remove all redundant columns from the PRIMARY KEY.  For example, change
    ** "PRIMARY KEY(a,b,a,b,c,b,c,d)" into just "PRIMARY KEY(a,b,c,d)".  Later
................................................................................
    ** code assumes the PRIMARY KEY contains no repeated columns.
    */
    for(i=j=1; i<pPk->nKeyCol; i++){
      if( isDupColumn(pPk, j, pPk, i) ){
        pPk->nColumn--;
      }else{
        testcase( hasColumn(pPk->aiColumn, j, pPk->aiColumn[i]) );


        pPk->aiColumn[j++] = pPk->aiColumn[i];
      }
    }
    pPk->nKeyCol = j;
  }
  assert( pPk!=0 );
  pPk->isCovering = 1;
  if( !db->init.imposterTable ) pPk->uniqNotNull = 1;
  nPk = pPk->nKeyCol;

  /* Bypass the creation of the PRIMARY KEY btree and the sqlite_master
  ** table entry. This is only required if currently generating VDBE
  ** code for a CREATE TABLE (not when parsing one as part of reading
  ** a database schema).  */
  if( v && pPk->tnum>0 ){
    assert( db->init.busy==0 );
................................................................................
    }
    assert( pIdx->nColumn>=pIdx->nKeyCol+n );
    assert( pIdx->nColumn>=j );
  }

  /* Add all table columns to the PRIMARY KEY index
  */

  if( nPk<pTab->nCol ){


    if( resizeIndexObject(db, pPk, pTab->nCol) ) return;
    for(i=0, j=nPk; i<pTab->nCol; i++){
      if( !hasColumn(pPk->aiColumn, j, i) ){
        assert( j<pPk->nColumn );
        pPk->aiColumn[j] = i;
        pPk->azColl[j] = sqlite3StrBINARY;
        j++;
      }
    }
    assert( pPk->nColumn==j );
    assert( pTab->nCol==j );
  }else{
    pPk->nColumn = pTab->nCol;
  }
  recomputeColumnsNotIndexed(pPk);
}

#ifndef SQLITE_OMIT_VIRTUALTABLE
/*
** Return true if zName is a shadow table name in the current database
** connection.
................................................................................
      sqlite3MayAbort(pParse);
      sqlite3VdbeAddOp3(v, OP_OpenWrite, 1, pParse->regRoot, iDb);
      sqlite3VdbeChangeP5(v, OPFLAG_P2ISREG);
      pParse->nTab = 2;
      addrTop = sqlite3VdbeCurrentAddr(v) + 1;
      sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, addrTop);
      if( pParse->nErr ) return;
      pSelTab = sqlite3ResultSetOfSelect(pParse, pSelect);
      if( pSelTab==0 ) return;
      assert( p->aCol==0 );
      p->nCol = pSelTab->nCol;
      p->aCol = pSelTab->aCol;
      pSelTab->nCol = 0;
      pSelTab->aCol = 0;
      sqlite3DeleteTable(db, pSelTab);
................................................................................
    n = pParse->nTab;
    sqlite3SrcListAssignCursors(pParse, pSel->pSrc);
    pTable->nCol = -1;
    db->lookaside.bDisable++;
#ifndef SQLITE_OMIT_AUTHORIZATION
    xAuth = db->xAuth;
    db->xAuth = 0;
    pSelTab = sqlite3ResultSetOfSelect(pParse, pSel);
    db->xAuth = xAuth;
#else
    pSelTab = sqlite3ResultSetOfSelect(pParse, pSel);
#endif
    pParse->nTab = n;
    if( pTable->pCheck ){
      /* CREATE VIEW name(arglist) AS ...
      ** The names of the columns in the table are taken from
      ** arglist which is stored in pTable->pCheck.  The pCheck field
      ** normally holds CHECK constraints on an ordinary table, but for
................................................................................
      */
      sqlite3ColumnsFromExprList(pParse, pTable->pCheck, 
                                 &pTable->nCol, &pTable->aCol);
      if( db->mallocFailed==0 
       && pParse->nErr==0
       && pTable->nCol==pSel->pEList->nExpr
      ){
        sqlite3SelectAddColumnTypeAndCollation(pParse, pTable, pSel);

      }
    }else if( pSelTab ){
      /* CREATE VIEW name AS...  without an argument list.  Construct
      ** the column names from the SELECT statement that defines the view.
      */
      assert( pTable->aCol==0 );
      pTable->nCol = pSelTab->nCol;
................................................................................
    p->aSortOrder = (u8*)pExtra;
    p->nColumn = nCol;
    p->nKeyCol = nCol - 1;
    *ppExtra = ((char*)p) + nByte;
  }
  return p;
}






















/*
** Create a new index for an SQL table.  pName1.pName2 is the name of the index 
** and pTblList is the name of the table that is to be indexed.  Both will 
** be NULL for a primary key or an index that is created to satisfy a
** UNIQUE constraint.  If pTable and pIndex are NULL, use pParse->pNewTable
** as the table to be indexed.  pParse->pNewTable is a table that is
................................................................................
    goto exit_create_index;
  }
  if( IN_DECLARE_VTAB && idxType!=SQLITE_IDXTYPE_PRIMARYKEY ){
    goto exit_create_index;
  }
  if( SQLITE_OK!=sqlite3ReadSchema(pParse) ){
    goto exit_create_index;



  }

  /*
  ** Find the table that is to be indexed.  Return early if not found.
  */
  if( pTblName!=0 ){

................................................................................
  ** dealing with a primary key or UNIQUE constraint.  We have to invent our
  ** own name.
  */
  if( pName ){
    zName = sqlite3NameFromToken(db, pName);
    if( zName==0 ) goto exit_create_index;
    assert( pName->z!=0 );
    if( SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
      goto exit_create_index;
    }
    if( !IN_RENAME_OBJECT ){
      if( !db->init.busy ){
        if( sqlite3FindTable(db, zName, 0)!=0 ){
          sqlite3ErrorMsg(pParse, "there is already a table named %s", zName);
          goto exit_create_index;
................................................................................
    Column *pCol = &pTab->aCol[pTab->nCol-1];
    pCol->colFlags |= COLFLAG_UNIQUE;
    sqlite3TokenInit(&prevCol, pCol->zName);
    pList = sqlite3ExprListAppend(pParse, 0,
              sqlite3ExprAlloc(db, TK_ID, &prevCol, 0));
    if( pList==0 ) goto exit_create_index;
    assert( pList->nExpr==1 );
    sqlite3ExprListSetSortOrder(pList, sortOrder);
  }else{
    sqlite3ExprListCheckLength(pParse, pList, "index");
    if( pParse->nErr ) goto exit_create_index;
  }

  /* Figure out how many bytes of space are required to store explicitly
  ** specified collation sequence names.
................................................................................
      zColl = pTab->aCol[j].zColl;
    }
    if( !zColl ) zColl = sqlite3StrBINARY;
    if( !db->init.busy && !sqlite3LocateCollSeq(pParse, zColl) ){
      goto exit_create_index;
    }
    pIndex->azColl[i] = zColl;
    requestedSortOrder = pListItem->sortOrder & sortOrderMask;
    pIndex->aSortOrder[i] = (u8)requestedSortOrder;
  }

  /* Append the table key to the end of the index.  For WITHOUT ROWID
  ** tables (when pPk!=0) this will be the declared PRIMARY KEY.  For
  ** normal tables (when pPk==0) this will be the rowid.
  */
................................................................................
      ** the Noop with a Goto to jump over the VDBE code generated below. */
      pIndex->tnum = sqlite3VdbeAddOp0(v, OP_Noop);
      sqlite3VdbeAddOp3(v, OP_CreateBtree, iDb, iMem, BTREE_BLOBKEY);

      /* Gather the complete text of the CREATE INDEX statement into
      ** the zStmt variable
      */

      if( pStart ){
        int n = (int)(pParse->sLastToken.z - pName->z) + pParse->sLastToken.n;
        if( pName->z[n-1]==';' ) n--;
        /* A named index with an explicit CREATE INDEX statement */
        zStmt = sqlite3MPrintf(db, "CREATE%s INDEX %.*s",
            onError==OE_None ? "" : " UNIQUE", n, pName->z);
      }else{
................................................................................
  }
  if( pKey ){
    assert( sqlite3KeyInfoIsWriteable(pKey) );
    for(i=0; i<nCol; i++){
      const char *zColl = pIdx->azColl[i];
      pKey->aColl[i] = zColl==sqlite3StrBINARY ? 0 :
                        sqlite3LocateCollSeq(pParse, zColl);
      pKey->aSortOrder[i] = pIdx->aSortOrder[i];

    }
    if( pParse->nErr ){
      assert( pParse->rc==SQLITE_ERROR_MISSING_COLLSEQ );
      if( pIdx->bNoQuery==0 ){
        /* Deactivate the index because it contains an unknown collating
        ** sequence.  The only way to reactive the index is to reload the
        ** schema.  Adding the missing collating sequence later does not
................................................................................
    FUNCTION(coalesce,           0, 0, 0, 0                ),
    FUNCTION2(coalesce,         -1, 0, 0, noopFunc,  SQLITE_FUNC_COALESCE),
  };
#ifndef SQLITE_OMIT_ALTERTABLE
  sqlite3AlterFunctions();
#endif
  sqlite3WindowFunctions();
#if defined(SQLITE_ENABLE_STAT3) || defined(SQLITE_ENABLE_STAT4)
  sqlite3AnalyzeFunctions();
#endif
  sqlite3RegisterDateTimeFunctions();
  sqlite3InsertBuiltinFuncs(aBuiltinFunc, ArraySize(aBuiltinFunc));

#if 0  /* Enable to print out how the built-in functions are hashed */
  {
    int i;
    FuncDef *p;
................................................................................
  sqlite3 *db = pParse->db;

  pExpr = sqlite3Expr(db, TK_REGISTER, 0);
  if( pExpr ){
    if( iCol>=0 && iCol!=pTab->iPKey ){
      pCol = &pTab->aCol[iCol];
      pExpr->iTable = regBase + iCol + 1;
      pExpr->affinity = pCol->affinity;
      zColl = pCol->zColl;
      if( zColl==0 ) zColl = db->pDfltColl->zName;
      pExpr = sqlite3ExprAddCollateString(pParse, pExpr, zColl);
    }else{
      pExpr->iTable = regBase;
      pExpr->affinity = SQLITE_AFF_INTEGER;
    }
  }
  return pExpr;
}

/*
** Return an Expr object that refers to column iCol of table pTab which
................................................................................
      Token tFrom;
      Expr *pRaise; 

      tFrom.z = zFrom;
      tFrom.n = nFrom;
      pRaise = sqlite3Expr(db, TK_RAISE, "FOREIGN KEY constraint failed");
      if( pRaise ){
        pRaise->affinity = OE_Abort;
      }
      pSelect = sqlite3SelectNew(pParse, 
          sqlite3ExprListAppend(pParse, 0, pRaise),
          sqlite3SrcListAppend(pParse, 0, &tFrom, 0),
          pWhere,
          0, 0, 0, 0, 0
      );
................................................................................
    sqlite3ExprListDelete(db, pList);
    sqlite3SelectDelete(db, pSelect);
    if( db->mallocFailed==1 ){
      fkTriggerDelete(db, pTrigger);
      return 0;
    }
    assert( pStep!=0 );


    switch( action ){
      case OE_Restrict:
        pStep->op = TK_SELECT; 
        break;
      case OE_Cascade: 
        if( !pChanges ){ 
................................................................................
    pIdx->zColAff = (char *)sqlite3DbMallocRaw(0, pIdx->nColumn+1);
    if( !pIdx->zColAff ){
      sqlite3OomFault(db);
      return 0;
    }
    for(n=0; n<pIdx->nColumn; n++){
      i16 x = pIdx->aiColumn[n];

      if( x>=0 ){
        pIdx->zColAff[n] = pTab->aCol[x].affinity;
      }else if( x==XN_ROWID ){
        pIdx->zColAff[n] = SQLITE_AFF_INTEGER;
      }else{
        char aff;
        assert( x==XN_EXPR );
        assert( pIdx->aColExpr!=0 );
        aff = sqlite3ExprAffinity(pIdx->aColExpr->a[n].pExpr);

        if( aff==0 ) aff = SQLITE_AFF_BLOB;

        pIdx->zColAff[n] = aff;
      }
    }
    pIdx->zColAff[n] = 0;
  }
 
  return pIdx->zColAff;
}

................................................................................
    zColAff = (char *)sqlite3DbMallocRaw(0, pTab->nCol+1);
    if( !zColAff ){
      sqlite3OomFault(db);
      return;
    }

    for(i=0; i<pTab->nCol; i++){

      zColAff[i] = pTab->aCol[i].affinity;
    }
    do{
      zColAff[i--] = 0;
    }while( i>=0 && zColAff[i]==SQLITE_AFF_BLOB );
    pTab->zColAff = zColAff;
  }
  assert( zColAff!=0 );
  i = sqlite3Strlen30NN(zColAff);
  if( i ){
    if( iReg ){
      sqlite3VdbeAddOp4(v, OP_Affinity, iReg, i, 0, zColAff, i);
................................................................................
  }
#ifndef SQLITE_OMIT_UPSERT
  if( pUpsert ){
    if( IsVirtual(pTab) ){
      sqlite3ErrorMsg(pParse, "UPSERT not implemented for virtual table \"%s\"",
              pTab->zName);
      goto insert_cleanup;



    }
    pTabList->a[0].iCursor = iDataCur;
    pUpsert->pUpsertSrc = pTabList;
    pUpsert->regData = regData;
    pUpsert->iDataCur = iDataCur;
    pUpsert->iIdxCur = iIdxCur;
    if( pUpsert->pUpsertTarget ){
................................................................................
                            void (*xInv)(sqlite3_context*,int,sqlite3_value**),
                            void(*xDestroy)(void*));
  /* Version 3.26.0 and later */
  const char *(*normalized_sql)(sqlite3_stmt*);
  /* Version 3.28.0 and later */
  int (*stmt_isexplain)(sqlite3_stmt*);
  int (*value_frombind)(sqlite3_value*);


};

/*
** This is the function signature used for all extension entry points.  It
** is also defined in the file "loadext.c".
*/
typedef int (*sqlite3_loadext_entry)(
................................................................................
/* Version 3.25.0 and later */
#define sqlite3_create_window_function sqlite3_api->create_window_function
/* Version 3.26.0 and later */
#define sqlite3_normalized_sql         sqlite3_api->normalized_sql
/* Version 3.28.0 and later */
#define sqlite3_stmt_isexplain         sqlite3_api->isexplain
#define sqlite3_value_frombind         sqlite3_api->frombind


#endif /* !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION) */

#if !defined(SQLITE_CORE) && !defined(SQLITE_OMIT_LOAD_EXTENSION)
  /* This case when the file really is being compiled as a loadable 
  ** extension */
# define SQLITE_EXTENSION_INIT1     const sqlite3_api_routines *sqlite3_api=0;
# define SQLITE_EXTENSION_INIT2(v)  sqlite3_api=v;
................................................................................
#ifdef SQLITE_ENABLE_NORMALIZE
  sqlite3_normalized_sql,
#else
  0,
#endif
  /* Version 3.28.0 and later */
  sqlite3_stmt_isexplain,
  sqlite3_value_frombind


};

/*
** Attempt to load an SQLite extension library contained in the file
** zFile.  The entry point is zProc.  zProc may be 0 in which case a
** default entry point name (sqlite3_extension_init) is used.  Use
** of the default name is recommended.
................................................................................
 {/* zName:     */ "fullfsync",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_FullFSync },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
#if defined(SQLITE_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "function_list",
  /* ePragTyp:  */ PragTyp_FUNCTION_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 41, 2,
  /* iArg:      */ 0 },
#endif
#endif
................................................................................
  /* ePragTyp:  */ PragTyp_MMAP_SIZE,
  /* ePragFlg:  */ 0,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_SCHEMA_PRAGMAS)
#if !defined(SQLITE_OMIT_VIRTUALTABLE)
#if defined(SQLITE_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "module_list",
  /* ePragTyp:  */ PragTyp_MODULE_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 9, 1,
  /* iArg:      */ 0 },
#endif
#endif
................................................................................
 {/* zName:     */ "parser_trace",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_ParserTrace },
#endif
#endif
#if defined(SQLITE_INTROSPECTION_PRAGMAS)
 {/* zName:     */ "pragma_list",
  /* ePragTyp:  */ PragTyp_PRAGMA_LIST,
  /* ePragFlg:  */ PragFlg_Result0,
  /* ColNames:  */ 9, 1,
  /* iArg:      */ 0 },
#endif
#if !defined(SQLITE_OMIT_FLAG_PRAGMAS)
................................................................................
 {/* zName:     */ "writable_schema",
  /* ePragTyp:  */ PragTyp_FLAG,
  /* ePragFlg:  */ PragFlg_Result0|PragFlg_NoColumns1,
  /* ColNames:  */ 0, 0,
  /* iArg:      */ SQLITE_WriteSchema|SQLITE_NoSchemaError },
#endif
};
/* Number of pragmas: 62 on by default, 81 total. */

/************** End of pragma.h **********************************************/
/************** Continuing where we left off in pragma.c *********************/

/*
** Interpret the given string as a safety level.  Return 0 for OFF,
** 1 for ON or NORMAL, 2 for FULL, and 3 for EXTRA.  Return 1 for an empty or 
................................................................................
  break;
#endif

  case PragTyp_INDEX_INFO: if( zRight ){
    Index *pIdx;
    Table *pTab;
    pIdx = sqlite3FindIndex(db, zRight, zDb);









    if( pIdx ){
      int iIdxDb = sqlite3SchemaToIndex(db, pIdx->pSchema);
      int i;
      int mx;
      if( pPragma->iArg ){
        /* PRAGMA index_xinfo (newer version with more rows and columns) */
        mx = pIdx->nColumn;
................................................................................
    for(p=sqliteHashFirst(&db->aCollSeq); p; p=sqliteHashNext(p)){
      CollSeq *pColl = (CollSeq *)sqliteHashData(p);
      sqlite3VdbeMultiLoad(v, 1, "is", i++, pColl->zName);
    }
  }
  break;

#ifdef SQLITE_INTROSPECTION_PRAGMAS
  case PragTyp_FUNCTION_LIST: {
    int i;
    HashElem *j;
    FuncDef *p;
    pParse->nMem = 2;
    for(i=0; i<SQLITE_FUNC_HASH_SZ; i++){
      for(p=sqlite3BuiltinFunctions.a[i]; p; p=p->u.pHash ){
................................................................................
/*
** This is the callback routine for the code that initializes the
** database.  See sqlite3Init() below for additional information.
** This routine is also called from the OP_ParseSchema opcode of the VDBE.
**
** Each callback contains the following information:
**

**     argv[0] = name of thing being created

**     argv[1] = root page number for table or index. 0 for trigger or view.
**     argv[2] = SQL text for the CREATE statement.
**
*/
SQLITE_PRIVATE int sqlite3InitCallback(void *pInit, int argc, char **argv, char **NotUsed){
  InitData *pData = (InitData*)pInit;
  sqlite3 *db = pData->db;
  int iDb = pData->iDb;

  assert( argc==3 );
  UNUSED_PARAMETER2(NotUsed, argc);
  assert( sqlite3_mutex_held(db->mutex) );
  DbClearProperty(db, iDb, DB_Empty);
  pData->nInitRow++;
  if( db->mallocFailed ){
    corruptSchema(pData, argv[0], 0);
    return 1;
  }

  assert( iDb>=0 && iDb<db->nDb );
  if( argv==0 ) return 0;   /* Might happen if EMPTY_RESULT_CALLBACKS are on */
  if( argv[1]==0 ){
    corruptSchema(pData, argv[0], 0);
  }else if( sqlite3_strnicmp(argv[2],"create ",7)==0 ){
    /* Call the parser to process a CREATE TABLE, INDEX or VIEW.
    ** But because db->init.busy is set to 1, no VDBE code is generated
    ** or executed.  All the parser does is build the internal data
    ** structures that describe the table, index, or view.
    */
    int rc;
    u8 saved_iDb = db->init.iDb;
    sqlite3_stmt *pStmt;
    TESTONLY(int rcp);            /* Return code from sqlite3_prepare() */

    assert( db->init.busy );
    db->init.iDb = iDb;
    db->init.newTnum = sqlite3Atoi(argv[1]);
    db->init.orphanTrigger = 0;

    TESTONLY(rcp = ) sqlite3_prepare(db, argv[2], -1, &pStmt, 0);
    rc = db->errCode;
    assert( (rc&0xFF)==(rcp&0xFF) );
    db->init.iDb = saved_iDb;
    /* assert( saved_iDb==0 || (db->mDbFlags & DBFLAG_Vacuum)!=0 ); */
    if( SQLITE_OK!=rc ){
      if( db->init.orphanTrigger ){
        assert( iDb==1 );
      }else{
        pData->rc = rc;
        if( rc==SQLITE_NOMEM ){
          sqlite3OomFault(db);
        }else if( rc!=SQLITE_INTERRUPT && (rc&0xFF)!=SQLITE_LOCKED ){
          corruptSchema(pData, argv[0], sqlite3_errmsg(db));
        }
      }
    }
    sqlite3_finalize(pStmt);
  }else if( argv[0]==0 || (argv[2]!=0 && argv[2][0]!=0) ){
    corruptSchema(pData, argv[0], 0);
  }else{
    /* If the SQL column is blank it means this is an index that
    ** was created to be the PRIMARY KEY or to fulfill a UNIQUE
    ** constraint for a CREATE TABLE.  The index should have already
    ** been created when we processed the CREATE TABLE.  All we have
    ** to do here is record the root page number for that index.
    */
    Index *pIndex;
    pIndex = sqlite3FindIndex(db, argv[0], db->aDb[iDb].zDbSName);
    if( pIndex==0
     || sqlite3GetInt32(argv[1],&pIndex->tnum)==0
     || pIndex->tnum<2
     || sqlite3IndexHasDuplicateRootPage(pIndex)
    ){
      corruptSchema(pData, argv[0], pIndex?"invalid rootpage":"orphan index");
    }
  }
  return 0;
}

/*
** Attempt to read the database schema and initialize internal
................................................................................
SQLITE_PRIVATE int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg, u32 mFlags){
  int rc;
  int i;
#ifndef SQLITE_OMIT_DEPRECATED
  int size;
#endif
  Db *pDb;
  char const *azArg[4];
  int meta[5];
  InitData initData;
  const char *zMasterName;
  int openedTransaction = 0;

  assert( (db->mDbFlags & DBFLAG_SchemaKnownOk)==0 );
  assert( iDb>=0 && iDb<db->nDb );
................................................................................
  db->init.busy = 1;

  /* Construct the in-memory representation schema tables (sqlite_master or
  ** sqlite_temp_master) by invoking the parser directly.  The appropriate
  ** table name will be inserted automatically by the parser so we can just
  ** use the abbreviation "x" here.  The parser will also automatically tag
  ** the schema table as read-only. */

  azArg[0] = zMasterName = SCHEMA_TABLE(iDb);

  azArg[1] = "1";
  azArg[2] = "CREATE TABLE x(type text,name text,tbl_name text,"
                            "rootpage int,sql text)";
  azArg[3] = 0;
  initData.db = db;
  initData.iDb = iDb;
  initData.rc = SQLITE_OK;
  initData.pzErrMsg = pzErrMsg;
  initData.mInitFlags = mFlags;
  initData.nInitRow = 0;
  sqlite3InitCallback(&initData, 3, (char **)azArg, 0);
  if( initData.rc ){
    rc = initData.rc;
    goto error_out;
  }

  /* Create a cursor to hold the database open
  */
................................................................................

  /* Read the schema information out of the schema tables
  */
  assert( db->init.busy );
  {
    char *zSql;
    zSql = sqlite3MPrintf(db, 
        "SELECT name, rootpage, sql FROM \"%w\".%s ORDER BY rowid",
        db->aDb[iDb].zDbSName, zMasterName);
#ifndef SQLITE_OMIT_AUTHORIZATION
    {
      sqlite3_xauth xAuth;
      xAuth = db->xAuth;
      db->xAuth = 0;
#endif
................................................................................
  }
  if( pzTail ){
    *pzTail = sParse.zTail;
  }
  rc = sParse.rc;

#ifndef SQLITE_OMIT_EXPLAIN
  if( rc==SQLITE_OK && sParse.pVdbe && sParse.explain ){



    static const char * const azColName[] = {
       "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment",
       "id", "parent", "notused", "detail"
    };
    int iFirst, mx;
    if( sParse.explain==2 ){
      sqlite3VdbeSetNumCols(sParse.pVdbe, 4);
................................................................................
    }
  }
#endif

  if( db->init.busy==0 ){
    sqlite3VdbeSetSql(sParse.pVdbe, zSql, (int)(sParse.zTail-zSql), prepFlags);
  }
  if( sParse.pVdbe && (rc!=SQLITE_OK || db->mallocFailed) ){
    sqlite3VdbeFinalize(sParse.pVdbe);
    assert(!(*ppStmt));
  }else{
    *ppStmt = (sqlite3_stmt*)sParse.pVdbe;
  }

  if( zErrMsg ){
    sqlite3ErrorWithMsg(db, rc, "%s", zErrMsg);
................................................................................
    sqlite3ExprDelete(db, p->pLimit);
#ifndef SQLITE_OMIT_WINDOWFUNC
    if( OK_IF_ALWAYS_TRUE(p->pWinDefn) ){
      sqlite3WindowListDelete(db, p->pWinDefn);
    }
#endif
    if( OK_IF_ALWAYS_TRUE(p->pWith) ) sqlite3WithDelete(db, p->pWith);

    if( bFree ) sqlite3DbFreeNN(db, p);
    p = pPrior;
    bFree = 1;
  }
}

/*
................................................................................
    }
    VdbeCoverage(v);
    sqlite3VdbeAddOp3(v, OP_Compare, regPrevKey, regBase, pSort->nOBSat);
    pOp = sqlite3VdbeGetOp(v, pSort->addrSortIndex);
    if( pParse->db->mallocFailed ) return;
    pOp->p2 = nKey + nData;
    pKI = pOp->p4.pKeyInfo;
    memset(pKI->aSortOrder, 0, pKI->nKeyField); /* Makes OP_Jump testable */
    sqlite3VdbeChangeP4(v, -1, (char*)pKI, P4_KEYINFO);
    testcase( pKI->nAllField > pKI->nKeyField+2 );
    pOp->p4.pKeyInfo = sqlite3KeyInfoFromExprList(pParse,pSort->pOrderBy,nOBSat,
                                           pKI->nAllField-pKI->nKeyField-1);
    addrJmp = sqlite3VdbeCurrentAddr(v);
    sqlite3VdbeAddOp3(v, OP_Jump, addrJmp+1, 0, addrJmp+1); VdbeCoverage(v);
    pSort->labelBkOut = sqlite3VdbeMakeLabel(pParse);
................................................................................
** Allocate a KeyInfo object sufficient for an index of N key columns and
** X extra columns.
*/
SQLITE_PRIVATE KeyInfo *sqlite3KeyInfoAlloc(sqlite3 *db, int N, int X){
  int nExtra = (N+X)*(sizeof(CollSeq*)+1) - sizeof(CollSeq*);
  KeyInfo *p = sqlite3DbMallocRawNN(db, sizeof(KeyInfo) + nExtra);
  if( p ){
    p->aSortOrder = (u8*)&p->aColl[N+X];
    p->nKeyField = (u16)N;
    p->nAllField = (u16)(N+X);
    p->enc = ENC(db);
    p->db = db;
    p->nRef = 1;
    memset(&p[1], 0, nExtra);
  }else{
................................................................................

  nExpr = pList->nExpr;
  pInfo = sqlite3KeyInfoAlloc(db, nExpr-iStart, nExtra+1);
  if( pInfo ){
    assert( sqlite3KeyInfoIsWriteable(pInfo) );
    for(i=iStart, pItem=pList->a+iStart; i<nExpr; i++, pItem++){
      pInfo->aColl[i-iStart] = sqlite3ExprNNCollSeq(pParse, pItem->pExpr);
      pInfo->aSortOrder[i-iStart] = pItem->sortOrder;
    }
  }
  return pInfo;
}

/*
** Name of the connection operator, used for error messages.
................................................................................
  char const *zOrigDb = 0;
  char const *zOrigTab = 0;
  char const *zOrigCol = 0;
#endif

  assert( pExpr!=0 );
  assert( pNC->pSrcList!=0 );
  assert( pExpr->op!=TK_AGG_COLUMN );  /* This routine runes before aggregates
                                       ** are processed */
  switch( pExpr->op ){
    case TK_COLUMN: {
      /* The expression is a column. Locate the table the column is being
      ** extracted from in NameContext.pSrcList. This table may be real
      ** database table or a subquery.
      */
      Table *pTab = 0;            /* Table structure column is extracted from */
................................................................................

  for(i=0, pCol=aCol; i<nCol && !db->mallocFailed; i++, pCol++){
    /* Get an appropriate name for the column
    */
    if( (zName = pEList->a[i].zName)!=0 ){
      /* If the column contains an "AS <name>" phrase, use <name> as the name */
    }else{
      Expr *pColExpr = sqlite3ExprSkipCollate(pEList->a[i].pExpr);
      while( pColExpr->op==TK_DOT ){
        pColExpr = pColExpr->pRight;
        assert( pColExpr!=0 );
      }
      assert( pColExpr->op!=TK_AGG_COLUMN );
      if( pColExpr->op==TK_COLUMN ){
        /* For columns use the column name name */
        int iCol = pColExpr->iColumn;
        Table *pTab = pColExpr->y.pTab;
        assert( pTab!=0 );
        if( iCol<0 ) iCol = pTab->iPKey;
        zName = iCol>=0 ? pTab->aCol[iCol].zName : "rowid";
................................................................................
**
** This routine requires that all identifiers in the SELECT
** statement be resolved.
*/
SQLITE_PRIVATE void sqlite3SelectAddColumnTypeAndCollation(
  Parse *pParse,        /* Parsing contexts */
  Table *pTab,          /* Add column type information to this table */
  Select *pSelect       /* SELECT used to determine types and collations */

){
  sqlite3 *db = pParse->db;
  NameContext sNC;
  Column *pCol;
  CollSeq *pColl;
  int i;
  Expr *p;
................................................................................
      n = sqlite3Strlen30(pCol->zName);
      pCol->zName = sqlite3DbReallocOrFree(db, pCol->zName, n+m+2);
      if( pCol->zName ){
        memcpy(&pCol->zName[n+1], zType, m+1);
        pCol->colFlags |= COLFLAG_HASTYPE;
      }
    }
    if( pCol->affinity==0 ) pCol->affinity = SQLITE_AFF_BLOB;
    pColl = sqlite3ExprCollSeq(pParse, p);
    if( pColl && pCol->zColl==0 ){
      pCol->zColl = sqlite3DbStrDup(db, pColl->zName);
    }
  }
  pTab->szTabRow = 1; /* Any non-zero value works */
}

/*
** Given a SELECT statement, generate a Table structure that describes
** the result set of that SELECT.
*/
SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse *pParse, Select *pSelect){
  Table *pTab;
  sqlite3 *db = pParse->db;
  u64 savedFlags;

  savedFlags = db->flags;
  db->flags &= ~(u64)SQLITE_FullColNames;
  db->flags |= SQLITE_ShortColNames;
................................................................................
  if( pTab==0 ){
    return 0;
  }
  pTab->nTabRef = 1;
  pTab->zName = 0;
  pTab->nRowLogEst = 200; assert( 200==sqlite3LogEst(1048576) );
  sqlite3ColumnsFromExprList(pParse, pSelect->pEList, &pTab->nCol, &pTab->aCol);
  sqlite3SelectAddColumnTypeAndCollation(pParse, pTab, pSelect);
  pTab->iPKey = -1;
  if( db->mallocFailed ){
    sqlite3DeleteTable(db, pTab);
    return 0;
  }
  return pTab;
}
................................................................................
        pColl = multiSelectCollSeq(pParse, p, pItem->u.x.iOrderByCol-1);
        if( pColl==0 ) pColl = db->pDfltColl;
        pOrderBy->a[i].pExpr =
          sqlite3ExprAddCollateString(pParse, pTerm, pColl->zName);
      }
      assert( sqlite3KeyInfoIsWriteable(pRet) );
      pRet->aColl[i] = pColl;
      pRet->aSortOrder[i] = pOrderBy->a[i].sortOrder;
    }
  }

  return pRet;
}

#ifndef SQLITE_OMIT_CTE
................................................................................
                           pIn->iSdst, pIn->nSdst);
      sqlite3ReleaseTempReg(pParse, r1);
      break;
    }

    /* If this is a scalar select that is part of an expression, then
    ** store the results in the appropriate memory cell and break out
    ** of the scan loop.

    */
    case SRT_Mem: {

      assert( pIn->nSdst==1 || pParse->nErr>0 );  testcase( pIn->nSdst!=1 );
      sqlite3ExprCodeMove(pParse, pIn->iSdst, pDest->iSDParm, 1);

      /* The LIMIT clause will jump out of the loop for us */
      break;
    }
#endif /* #ifndef SQLITE_OMIT_SUBQUERY */

    /* The results are stored in a sequence of registers
    ** starting at pDest->iSdst.  Then the co-routine yields.
................................................................................
    pParse->nMem += nExpr+1;
    sqlite3VdbeAddOp2(v, OP_Integer, 0, regPrev);
    pKeyDup = sqlite3KeyInfoAlloc(db, nExpr, 1);
    if( pKeyDup ){
      assert( sqlite3KeyInfoIsWriteable(pKeyDup) );
      for(i=0; i<nExpr; i++){
        pKeyDup->aColl[i] = multiSelectCollSeq(pParse, p, i);
        pKeyDup->aSortOrder[i] = 0;
      }
    }
  }
 
  /* Separate the left and the right query from one another
  */
  p->pPrior = 0;
................................................................................
  ** will scan expressions looking for iParent references and replace
  ** those references with expressions that resolve to the subquery FROM
  ** elements we are now copying in.
  */
  for(pParent=p; pParent; pParent=pParent->pPrior, pSub=pSub->pPrior){
    int nSubSrc;
    u8 jointype = 0;

    pSubSrc = pSub->pSrc;     /* FROM clause of subquery */
    nSubSrc = pSubSrc->nSrc;  /* Number of terms in subquery FROM clause */
    pSrc = pParent->pSrc;     /* FROM clause of the outer query */

    if( pSrc ){
      assert( pParent==p );  /* First time through the loop */
      jointype = pSubitem->fg.jointype;
................................................................................
** analysis.
*/
static u8 minMaxQuery(sqlite3 *db, Expr *pFunc, ExprList **ppMinMax){
  int eRet = WHERE_ORDERBY_NORMAL;      /* Return value */
  ExprList *pEList = pFunc->x.pList;    /* Arguments to agg function */
  const char *zFunc;                    /* Name of aggregate function pFunc */
  ExprList *pOrderBy;
  u8 sortOrder;

  assert( *ppMinMax==0 );
  assert( pFunc->op==TK_AGG_FUNCTION );

  if( pEList==0 || pEList->nExpr!=1 ) return eRet;


  zFunc = pFunc->u.zToken;
  if( sqlite3StrICmp(zFunc, "min")==0 ){
    eRet = WHERE_ORDERBY_MIN;
    sortOrder = SQLITE_SO_ASC;
  }else if( sqlite3StrICmp(zFunc, "max")==0 ){
    eRet = WHERE_ORDERBY_MAX;
    sortOrder = SQLITE_SO_DESC;
  }else{
    return eRet;
  }
  *ppMinMax = pOrderBy = sqlite3ExprListDup(db, pEList, 0);
  assert( pOrderBy!=0 || db->mallocFailed );
  if( pOrderBy ) pOrderBy->a[0].sortOrder = sortOrder;
  return eRet;
}

/*
** The select statement passed as the first argument is an aggregate query.
** The second argument is the associated aggregate-info object. This 
** function tests if the SELECT is of the form:
................................................................................
  pExpr = p->pEList->a[0].pExpr;
  assert( pTab && !pTab->pSelect && pExpr );

  if( IsVirtual(pTab) ) return 0;
  if( pExpr->op!=TK_AGG_FUNCTION ) return 0;
  if( NEVER(pAggInfo->nFunc==0) ) return 0;
  if( (pAggInfo->aFunc[0].pFunc->funcFlags&SQLITE_FUNC_COUNT)==0 ) return 0;
  if( pExpr->flags&EP_Distinct ) return 0;

  return pTab;
}

/*
** If the source-list item passed as an argument was augmented with an
** INDEXED BY clause, then try to locate the specified index. If there
................................................................................
      }
#if !defined(SQLITE_OMIT_VIEW) || !defined (SQLITE_OMIT_VIRTUALTABLE)
      if( IsVirtual(pTab) || pTab->pSelect ){
        i16 nCol;
        u8 eCodeOrig = pWalker->eCode;
        if( sqlite3ViewGetColumnNames(pParse, pTab) ) return WRC_Abort;
        assert( pFrom->pSelect==0 );




        pFrom->pSelect = sqlite3SelectDup(db, pTab->pSelect, 0);
        nCol = pTab->nCol;
        pTab->nCol = -1;
        pWalker->eCode = 1;  /* Turn on Select.selId renumbering */
        sqlite3WalkSelect(pWalker, pFrom->pSelect);
        pWalker->eCode = eCodeOrig;
        pTab->nCol = nCol;
................................................................................
    Table *pTab = pFrom->pTab;
    assert( pTab!=0 );
    if( (pTab->tabFlags & TF_Ephemeral)!=0 ){
      /* A sub-query in the FROM clause of a SELECT */
      Select *pSel = pFrom->pSelect;
      if( pSel ){
        while( pSel->pPrior ) pSel = pSel->pPrior;
        sqlite3SelectAddColumnTypeAndCollation(pParse, pTab, pSel);

      }
    }
  }
}
#endif


................................................................................
  pAggInfo->directMode = 1;
  for(i=0, pF=pAggInfo->aFunc; i<pAggInfo->nFunc; i++, pF++){
    int nArg;
    int addrNext = 0;
    int regAgg;
    ExprList *pList = pF->pExpr->x.pList;
    assert( !ExprHasProperty(pF->pExpr, EP_xIsSelect) );






    if( pList ){
      nArg = pList->nExpr;
      regAgg = sqlite3GetTempRange(pParse, nArg);
      sqlite3ExprCodeExprList(pParse, pList, regAgg, 0, SQLITE_ECEL_DUP);
    }else{
      nArg = 0;
      regAgg = 0;
    }
    if( pF->iDistinct>=0 ){

      addrNext = sqlite3VdbeMakeLabel(pParse);

      testcase( nArg==0 );  /* Error condition */
      testcase( nArg>1 );   /* Also an error */
      codeDistinct(pParse, pF->iDistinct, addrNext, 1, regAgg);
    }
    if( pF->pFunc->funcFlags & SQLITE_FUNC_NEEDCOLL ){
      CollSeq *pColl = 0;
      struct ExprList_item *pItem;
................................................................................
    ** have a column named by the empty string, in which case there is no way to
    ** distinguish between an unreferenced table and an actual reference to the
    ** "" column. The original design was for the fake column name to be a NULL,
    ** which would be unambiguous.  But legacy authorization callbacks might
    ** assume the column name is non-NULL and segfault.  The use of an empty
    ** string for the fake column name seems safer.
    */
    if( pItem->colUsed==0 ){
      sqlite3AuthCheck(pParse, SQLITE_READ, pItem->zName, "", pItem->zDatabase);
    }

#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
    /* Generate code for all sub-queries in the FROM clause
    */
    pSub = pItem->pSelect;
    if( pSub==0 ) continue;

    /* The code for a subquery should only be generated once, though it is
    ** technically harmless for it to be generated multiple times. The
    ** following assert() will detect if something changes to cause
    ** the same subquery to be coded multiple times, as a signal to the
    ** developers to try to optimize the situation. */







    assert( pItem->addrFillSub==0 );

    /* Increment Parse.nHeight by the height of the largest expression
    ** tree referred to by this, the parent select. The child select
    ** may contain expression trees of at most
    ** (SQLITE_MAX_EXPR_DEPTH-Parse.nHeight) height. This is a bit
    ** more conservative than necessary, but much easier than enforcing
    ** an exact limit.
................................................................................
      ** is a register allocated to hold the subroutine return address
      */
      int topAddr;
      int onceAddr = 0;
      int retAddr;
      struct SrcList_item *pPrior;

      assert( pItem->addrFillSub==0 );
      pItem->regReturn = ++pParse->nMem;
      topAddr = sqlite3VdbeAddOp2(v, OP_Integer, 0, pItem->regReturn);
      pItem->addrFillSub = topAddr+1;
      if( pItem->fg.isCorrelated==0 ){
        /* If the subquery is not correlated and if we are not inside of
        ** a trigger, then we only need to compute the value of the subquery
        ** once. */
................................................................................
    sAggInfo.nAccumulator = sAggInfo.nColumn;
    if( p->pGroupBy==0 && p->pHaving==0 && sAggInfo.nFunc==1 ){
      minMaxFlag = minMaxQuery(db, sAggInfo.aFunc[0].pExpr, &pMinMaxOrderBy);
    }else{
      minMaxFlag = WHERE_ORDERBY_NORMAL;
    }
    for(i=0; i<sAggInfo.nFunc; i++){
      assert( !ExprHasProperty(sAggInfo.aFunc[i].pExpr, EP_xIsSelect) );

      sNC.ncFlags |= NC_InAggFunc;
      sqlite3ExprAnalyzeAggList(&sNC, sAggInfo.aFunc[i].pExpr->x.pList);






      sNC.ncFlags &= ~NC_InAggFunc;
    }
    sAggInfo.mxReg = pParse->nMem;
    if( db->mallocFailed ) goto select_end;
#if SELECTTRACE_ENABLED
    if( sqlite3SelectTrace & 0x400 ){
      int ii;
................................................................................
    sqlite3ErrorMsg(pParse, "cannot create triggers on virtual tables");
    goto trigger_cleanup;
  }

  /* Check that the trigger name is not reserved and that no trigger of the
  ** specified name exists */
  zName = sqlite3NameFromToken(db, pName);




  if( !zName || SQLITE_OK!=sqlite3CheckObjectName(pParse, zName) ){
    goto trigger_cleanup;
  }
  assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
  if( !IN_RENAME_OBJECT ){
    if( sqlite3HashFind(&(db->aDb[iDb].pSchema->trigHash),zName) ){
      if( !noErr ){
        sqlite3ErrorMsg(pParse, "trigger %T already exists", pName);
................................................................................
        sqlite3MPrintf(db, "type='trigger' AND name='%q'", zName));
  }

  if( db->init.busy ){
    Trigger *pLink = pTrig;
    Hash *pHash = &db->aDb[iDb].pSchema->trigHash;
    assert( sqlite3SchemaMutexHeld(db, iDb, 0) );

    pTrig = sqlite3HashInsert(pHash, zName, pTrig);
    if( pTrig ){
      sqlite3OomFault(db);
    }else if( pLink->pSchema==pLink->pTabSchema ){
      Table *pTab;
      pTab = sqlite3HashFind(&pLink->pTabSchema->tblHash, pLink->table);
      assert( pTab!=0 );
................................................................................
      pSelect = 0;
    }else{
      pTriggerStep->pSelect = sqlite3SelectDup(db, pSelect, EXPRDUP_REDUCE);
    }
    pTriggerStep->pIdList = pColumn;
    pTriggerStep->pUpsert = pUpsert;
    pTriggerStep->orconf = orconf;



  }else{
    testcase( pColumn );
    sqlite3IdListDelete(db, pColumn);
    testcase( pUpsert );
    sqlite3UpsertDelete(db, pUpsert);
  }
  sqlite3SelectDelete(db, pSelect);
................................................................................
  Vdbe *v;
  sqlite3 *db = pParse->db;
  int iDb;

  iDb = sqlite3SchemaToIndex(pParse->db, pTrigger->pSchema);
  assert( iDb>=0 && iDb<db->nDb );
  pTable = tableOfTrigger(pTrigger);
  assert( pTable );
  assert( pTable->pSchema==pTrigger->pSchema || iDb==1 );
#ifndef SQLITE_OMIT_AUTHORIZATION
  {

    int code = SQLITE_DROP_TRIGGER;
    const char *zDb = db->aDb[iDb].zDbSName;
    const char *zTab = SCHEMA_TABLE(iDb);
    if( iDb==1 ) code = SQLITE_DROP_TEMP_TRIGGER;
    if( sqlite3AuthCheck(pParse, code, pTrigger->zName, pTable->zName, zDb) ||
      sqlite3AuthCheck(pParse, SQLITE_DELETE, zTab, 0, zDb) ){
      return;
    }
  }
#endif

  /* Generate code to destroy the database record of the trigger.
  */
  assert( pTable!=0 );
  if( (v = sqlite3GetVdbe(pParse))!=0 ){
    sqlite3NestedParse(pParse,
       "DELETE FROM %Q.%s WHERE name=%Q AND type='trigger'",
       db->aDb[iDb].zDbSName, MASTER_NAME, pTrigger->zName
    );
    sqlite3ChangeCookie(pParse, iDb);
    sqlite3VdbeAddOp4(v, OP_DropTrigger, iDb, 0, 0, pTrigger->zName, 0);
................................................................................

  assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
  pHash = &(db->aDb[iDb].pSchema->trigHash);
  pTrigger = sqlite3HashInsert(pHash, zName, 0);
  if( ALWAYS(pTrigger) ){
    if( pTrigger->pSchema==pTrigger->pTabSchema ){
      Table *pTab = tableOfTrigger(pTrigger);

      Trigger **pp;
      for(pp=&pTab->pTrigger; *pp!=pTrigger; pp=&((*pp)->pNext));
      *pp = (*pp)->pNext;

    }
    sqlite3DeleteTrigger(db, pTrigger);
    db->mDbFlags |= DBFLAG_SchemaChange;
  }
}

/*
................................................................................
      if( aXRef[i]<0 && i!=pTab->iPKey ){
        sqlite3ExprCodeGetColumnOfTable(v, pTab, iDataCur, i, regNew+i);
      }
    }
  }

  if( !isView ){
    int addr1 = 0;        /* Address of jump instruction */

    /* Do constraint checks. */
    assert( regOldRowid>0 );
    sqlite3GenerateConstraintChecks(pParse, pTab, aRegIdx, iDataCur, iIdxCur,
        regNewRowid, regOldRowid, chngKey, onError, labelContinue, &bReplace,
        aXRef, 0);













    /* Do FK constraint checks. */
    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, regOldRowid, 0, aXRef, chngKey);
    }

    /* Delete the index entries associated with the current record.  */
    if( bReplace || chngKey ){
      if( pPk ){
        addr1 = sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, 0, regKey, nKey);
      }else{
        addr1 = sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, 0, regOldRowid);
      }
      VdbeCoverageNeverTaken(v);
    }
    sqlite3GenerateRowIndexDelete(pParse, pTab, iDataCur, iIdxCur, aRegIdx, -1);

    /* If changing the rowid value, or if there are foreign key constraints
    ** to process, delete the old record. Otherwise, add a noop OP_Delete
    ** to invoke the pre-update hook.
    **
    ** That (regNew==regnewRowid+1) is true is also important for the 
................................................................................
      sqlite3VdbeAppendP4(v, pTab, P4_TABLE);
    }
#else
    if( hasFK>1 || chngKey ){
      sqlite3VdbeAddOp2(v, OP_Delete, iDataCur, 0);
    }
#endif
    if( bReplace || chngKey ){
      sqlite3VdbeJumpHere(v, addr1);
    }

    if( hasFK ){
      sqlite3FkCheck(pParse, pTab, 0, regNewRowid, aXRef, chngKey);
    }
  
    /* Insert the new index entries and the new record. */
    sqlite3CompleteInsertion(
................................................................................
  Index *pIdx,          /* The UNIQUE constraint that failed */
  int iCur              /* Cursor for pIdx (or pTab if pIdx==NULL) */
){
  Vdbe *v = pParse->pVdbe;
  sqlite3 *db = pParse->db;
  SrcList *pSrc;            /* FROM clause for the UPDATE */
  int iDataCur;


  assert( v!=0 );
  assert( pUpsert!=0 );
  VdbeNoopComment((v, "Begin DO UPDATE of UPSERT"));
  iDataCur = pUpsert->iDataCur;
  if( pIdx && iCur!=iDataCur ){
    if( HasRowid(pTab) ){
................................................................................
      sqlite3VdbeAddOp3(v, OP_SeekRowid, iDataCur, 0, regRowid);
      VdbeCoverage(v);
      sqlite3ReleaseTempReg(pParse, regRowid);
    }else{
      Index *pPk = sqlite3PrimaryKeyIndex(pTab);
      int nPk = pPk->nKeyCol;
      int iPk = pParse->nMem+1;
      int i;
      pParse->nMem += nPk;
      for(i=0; i<nPk; i++){
        int k;
        assert( pPk->aiColumn[i]>=0 );
        k = sqlite3ColumnOfIndex(pIdx, pPk->aiColumn[i]);
        sqlite3VdbeAddOp3(v, OP_Column, iCur, k, iPk+i);
        VdbeComment((v, "%s.%s", pIdx->zName,
................................................................................
            "corrupt database", P4_STATIC);
      sqlite3VdbeJumpHere(v, i);
    }
  }
  /* pUpsert does not own pUpsertSrc - the outer INSERT statement does.  So
  ** we have to make a copy before passing it down into sqlite3Update() */
  pSrc = sqlite3SrcListDup(db, pUpsert->pUpsertSrc, 0);






  sqlite3Update(pParse, pSrc, pUpsert->pUpsertSet,
      pUpsert->pUpsertWhere, OE_Abort, 0, 0, pUpsert);
  pUpsert->pUpsertSet = 0;    /* Will have been deleted by sqlite3Update() */
  pUpsert->pUpsertWhere = 0;  /* Will have been deleted by sqlite3Update() */
  VdbeNoopComment((v, "End DO UPDATE of UPSERT"));
}

................................................................................
  int bDeclared;      /* True after sqlite3_declare_vtab() is called */
};

/*
** Construct and install a Module object for a virtual table.  When this
** routine is called, it is guaranteed that all appropriate locks are held
** and the module is not already part of the connection.



*/
SQLITE_PRIVATE Module *sqlite3VtabCreateModule(
  sqlite3 *db,                    /* Database in which module is registered */
  const char *zName,              /* Name assigned to this module */
  const sqlite3_module *pModule,  /* The definition of the module */
  void *pAux,                     /* Context pointer for xCreate/xConnect */
  void (*xDestroy)(void *)        /* Module destructor function */
){
  Module *pMod;






  int nName = sqlite3Strlen30(zName);
  pMod = (Module *)sqlite3Malloc(sizeof(Module) + nName + 1);
  if( pMod==0 ){
    sqlite3OomFault(db);
  }else{
    Module *pDel;


    char *zCopy = (char *)(&pMod[1]);
    memcpy(zCopy, zName, nName+1);
    pMod->zName = zCopy;
    pMod->pModule = pModule;
    pMod->pAux = pAux;
    pMod->xDestroy = xDestroy;
    pMod->pEpoTab = 0;


    pDel = (Module *)sqlite3HashInsert(&db->aModule,zCopy,(void*)pMod);
    assert( pDel==0 || pDel==pMod );
    if( pDel ){

      sqlite3OomFault(db);
      sqlite3DbFree(db, pDel);
      pMod = 0;



    }
  }
  return pMod;
}

/*
** The actual function that does the work of creating a new module.
................................................................................
  const sqlite3_module *pModule,  /* The definition of the module */
  void *pAux,                     /* Context pointer for xCreate/xConnect */
  void (*xDestroy)(void *)        /* Module destructor function */
){
  int rc = SQLITE_OK;

  sqlite3_mutex_enter(db->mutex);
  if( sqlite3HashFind(&db->aModule, zName) ){
    rc = SQLITE_MISUSE_BKPT;
  }else{
    (void)sqlite3VtabCreateModule(db, zName, pModule, pAux, xDestroy);
  }
  rc = sqlite3ApiExit(db, rc);
  if( rc!=SQLITE_OK && xDestroy ) xDestroy(pAux);
  sqlite3_mutex_leave(db->mutex);
  return rc;
}


................................................................................
  void (*xDestroy)(void *)        /* Module destructor function */
){
#ifdef SQLITE_ENABLE_API_ARMOR
  if( !sqlite3SafetyCheckOk(db) || zName==0 ) return SQLITE_MISUSE_BKPT;
#endif
  return createModule(db, zName, pModule, pAux, xDestroy);
}







































/*
** Lock the virtual table so that it cannot be disconnected.
** Locks nest.  Every lock should have a corresponding unlock.
** If an unlock is omitted, resources leaks will occur.  
**
** If a disconnect is attempted while a virtual table is locked,
................................................................................
  assert( db );
  assert( pVTab->nRef>0 );
  assert( db->magic==SQLITE_MAGIC_OPEN || db->magic==SQLITE_MAGIC_ZOMBIE );

  pVTab->nRef--;
  if( pVTab->nRef==0 ){
    sqlite3_vtab *p = pVTab->pVtab;

    if( p ){
      p->pModule->xDisconnect(p);
    }
    sqlite3DbFree(db, pVTab);
  }
}

................................................................................
    }
    sqlite3DbFree(db, pVTable);
  }else if( ALWAYS(pVTable->pVtab) ){
    /* Justification of ALWAYS():  A correct vtab constructor must allocate
    ** the sqlite3_vtab object if successful.  */
    memset(pVTable->pVtab, 0, sizeof(pVTable->pVtab[0]));
    pVTable->pVtab->pModule = pMod->pModule;

    pVTable->nRef = 1;
    if( sCtx.bDeclared==0 ){
      const char *zFormat = "vtable constructor did not declare schema: %s";
      *pzErr = sqlite3MPrintf(db, zFormat, pTab->zName);
      sqlite3VtabUnlock(pVTable);
      rc = SQLITE_ERROR;
    }else{
................................................................................
  int iIdxCur;          /* The VDBE cursor used to access pIdx */
  int addrBrk;          /* Jump here to break out of the loop */
  int addrNxt;          /* Jump here to start the next IN combination */
  int addrSkip;         /* Jump here for next iteration of skip-scan */
  int addrCont;         /* Jump here to continue with the next loop cycle */
  int addrFirst;        /* First instruction of interior of the loop */
  int addrBody;         /* Beginning of the body of this loop */


#ifndef SQLITE_LIKE_DOESNT_MATCH_BLOBS
  u32 iLikeRepCntr;     /* LIKE range processing counter register (times 2) */
  int addrLikeRep;      /* LIKE range processing address */
#endif
  u8 iFrom;             /* Which entry in the FROM clause */
  u8 op, p3, p5;        /* Opcode, P3 & P5 of the opcode that ends the loop */
  int p1, p2;           /* Operands of the opcode used to ends the loop */
  union {               /* Information that depends on pWLoop->wsFlags */
    struct {
      int nIn;              /* Number of entries in aInLoop[] */
      struct InLoop {
        int iCur;              /* The VDBE cursor used by this IN operator */
        int addrInTop;         /* Top of the IN loop */
        int iBase;             /* Base register of multi-key index record */
................................................................................
  LogEst rRun;          /* Cost of running each loop */
  LogEst nOut;          /* Estimated number of output rows */
  union {
    struct {               /* Information for internal btree tables */
      u16 nEq;               /* Number of equality constraints */
      u16 nBtm;              /* Size of BTM vector */
      u16 nTop;              /* Size of TOP vector */
      u16 nIdxCol;           /* Index column used for ORDER BY */
      Index *pIndex;         /* Index used, or NULL */
    } btree;
    struct {               /* Information for virtual tables */
      int idxNum;            /* Index number */
      u8 needFree;           /* True if sqlite3_free(idxStr) is needed */
      i8 isOrdered;          /* True if satisfies ORDER BY */
      u16 omitMask;          /* Terms that may be omitted */
................................................................................
#define TERM_DYNAMIC    0x01   /* Need to call sqlite3ExprDelete(db, pExpr) */
#define TERM_VIRTUAL    0x02   /* Added by the optimizer.  Do not code */
#define TERM_CODED      0x04   /* This term is already coded */
#define TERM_COPIED     0x08   /* Has a child */
#define TERM_ORINFO     0x10   /* Need to free the WhereTerm.u.pOrInfo object */
#define TERM_ANDINFO    0x20   /* Need to free the WhereTerm.u.pAndInfo obj */
#define TERM_OR_OK      0x40   /* Used during OR-clause processing */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
#  define TERM_VNULL    0x80   /* Manufactured x>NULL or x<=NULL term */
#else
#  define TERM_VNULL    0x00   /* Disabled if not using stat3 */
#endif
#define TERM_LIKEOPT    0x100  /* Virtual terms from the LIKE optimization */
#define TERM_LIKECOND   0x200  /* Conditionally this LIKE operator term */
#define TERM_LIKE       0x400  /* The original LIKE operator */
#define TERM_IS         0x800  /* Term.pExpr is an IS operator */
#define TERM_VARSELECT  0x1000 /* Term.pExpr contains a correlated sub-query */


/*
** An instance of the WhereScan object is used as an iterator for locating
** terms in the WHERE clause that are useful to the query planner.
*/
struct WhereScan {
  WhereClause *pOrigWC;      /* Original, innermost WhereClause */
................................................................................
*/
struct WhereLoopBuilder {
  WhereInfo *pWInfo;        /* Information about this WHERE */
  WhereClause *pWC;         /* WHERE clause terms */
  ExprList *pOrderBy;       /* ORDER BY clause */
  WhereLoop *pNew;          /* Template WhereLoop */
  WhereOrSet *pOrSet;       /* Record best loops here, if not NULL */
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  UnpackedRecord *pRec;     /* Probe for stat4 (if required) */
  int nRecValid;            /* Number of valid fields currently in pRec */
#endif
  unsigned int bldFlags;    /* SQLITE_BLDF_* flags */
  unsigned int iPlanLimit;  /* Search limiter */
};

................................................................................
#define WHERE_ONEROW       0x00001000  /* Selects no more than one row */
#define WHERE_MULTI_OR     0x00002000  /* OR using multiple indices */
#define WHERE_AUTO_INDEX   0x00004000  /* Uses an ephemeral index */
#define WHERE_SKIPSCAN     0x00008000  /* Uses the skip-scan algorithm */
#define WHERE_UNQ_WANTED   0x00010000  /* WHERE_ONEROW would have been helpful*/
#define WHERE_PARTIALIDX   0x00020000  /* The automatic index is partial */
#define WHERE_IN_EARLYOUT  0x00040000  /* Perhaps quit IN loops early */


#endif /* !defined(SQLITE_WHEREINT_H) */

/************** End of whereInt.h ********************************************/
/************** Continuing where we left off in wherecode.c ******************/

#ifndef SQLITE_OMIT_EXPLAIN
................................................................................
  }
}

/*
** Code an OP_Affinity opcode to apply the column affinity string zAff
** to the n registers starting at base. 
**
** As an optimization, SQLITE_AFF_BLOB entries (which are no-ops) at the
** beginning and end of zAff are ignored.  If all entries in zAff are
** SQLITE_AFF_BLOB, then no code gets generated.
**
** This routine makes its own copy of zAff so that the caller is free
** to modify zAff after this routine returns.
*/
static void codeApplyAffinity(Parse *pParse, int base, int n, char *zAff){
  Vdbe *v = pParse->pVdbe;
  if( zAff==0 ){
    assert( pParse->db->mallocFailed );
    return;
  }
  assert( v!=0 );

  /* Adjust base and n to skip over SQLITE_AFF_BLOB entries at the beginning
  ** and end of the affinity string.
  */

  while( n>0 && zAff[0]==SQLITE_AFF_BLOB ){
    n--;
    base++;
    zAff++;
  }
  while( n>1 && zAff[n-1]==SQLITE_AFF_BLOB ){
    n--;
  }

  /* Code the OP_Affinity opcode if there is anything left to do. */
  if( n>0 ){
    sqlite3VdbeAddOp4(v, OP_Affinity, base, n, 0, zAff, n);
  }
................................................................................
**
** If pExpr matches, then transform it into a reference to the index column
** that contains the value of pExpr.
*/
static int whereIndexExprTransNode(Walker *p, Expr *pExpr){
  IdxExprTrans *pX = p->u.pIdxTrans;
  if( sqlite3ExprCompare(0, pExpr, pX->pIdxExpr, pX->iTabCur)==0 ){

    pExpr->op = TK_COLUMN;
    pExpr->iTable = pX->iIdxCur;
    pExpr->iColumn = pX->iIdxCol;
    pExpr->y.pTab = 0;
    return WRC_Prune;
  }else{
    return WRC_Continue;
................................................................................
    int nExtraReg = 0;           /* Number of extra registers needed */
    int op;                      /* Instruction opcode */
    char *zStartAff;             /* Affinity for start of range constraint */
    char *zEndAff = 0;           /* Affinity for end of range constraint */
    u8 bSeekPastNull = 0;        /* True to seek past initial nulls */
    u8 bStopAtNull = 0;          /* Add condition to terminate at NULLs */
    int omitTable;               /* True if we use the index only */


    pIdx = pLoop->u.btree.pIndex;
    iIdxCur = pLevel->iIdxCur;
    assert( nEq>=pLoop->nSkip );

    /* If this loop satisfies a sort order (pOrderBy) request that 
    ** was passed to this function to implement a "SELECT min(x) ..." 
    ** query, then the caller will only allow the loop to run for
    ** a single iteration. This means that the first row returned
    ** should not have a NULL value stored in 'x'. If column 'x' is
    ** the first one after the nEq equality constraints in the index,
    ** this requires some special handling.
    */
    assert( pWInfo->pOrderBy==0
         || pWInfo->pOrderBy->nExpr==1
         || (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)==0 );
    if( (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)!=0
     && pWInfo->nOBSat>0
     && (pIdx->nKeyCol>nEq)
    ){
      assert( pLoop->nSkip==0 );
      bSeekPastNull = 1;
      nExtraReg = 1;
    }

    /* Find any inequality constraint terms for the start and end 
    ** of the range. 
    */
    j = nEq;
    if( pLoop->wsFlags & WHERE_BTM_LIMIT ){
      pRangeStart = pLoop->aLTerm[j++];
      nExtraReg = MAX(nExtraReg, pLoop->u.btree.nBtm);
................................................................................
        j = pIdx->aiColumn[nEq];
        if( (j>=0 && pIdx->pTable->aCol[j].notNull==0) || j==XN_EXPR ){
          bSeekPastNull = 1;
        }
      }
    }
    assert( pRangeEnd==0 || (pRangeEnd->wtFlags & TERM_VNULL)==0 );




















    /* If we are doing a reverse order scan on an ascending index, or
    ** a forward order scan on a descending index, interchange the 
    ** start and end terms (pRangeStart and pRangeEnd).
    */
    if( (nEq<pIdx->nKeyCol && bRev==(pIdx->aSortOrder[nEq]==SQLITE_SO_ASC))
     || (bRev && pIdx->nKeyCol==nEq)
................................................................................
    */
    codeCursorHint(pTabItem, pWInfo, pLevel, pRangeEnd);
    regBase = codeAllEqualityTerms(pParse,pLevel,bRev,nExtraReg,&zStartAff);
    assert( zStartAff==0 || sqlite3Strlen30(zStartAff)>=nEq );
    if( zStartAff && nTop ){
      zEndAff = sqlite3DbStrDup(db, &zStartAff[nEq]);
    }
    addrNxt = pLevel->addrNxt;

    testcase( pRangeStart && (pRangeStart->eOperator & WO_LE)!=0 );
    testcase( pRangeStart && (pRangeStart->eOperator & WO_GE)!=0 );
    testcase( pRangeEnd && (pRangeEnd->eOperator & WO_LE)!=0 );
    testcase( pRangeEnd && (pRangeEnd->eOperator & WO_GE)!=0 );
    startEq = !pRangeStart || pRangeStart->eOperator & (WO_LE|WO_GE);
    endEq =   !pRangeEnd || pRangeEnd->eOperator & (WO_LE|WO_GE);
................................................................................
      if( sqlite3ExprIsVector(pRight)==0 ){
        disableTerm(pLevel, pRangeStart);
      }else{
        startEq = 1;
      }
      bSeekPastNull = 0;
    }else if( bSeekPastNull ){

      sqlite3VdbeAddOp2(v, OP_Null, 0, regBase+nEq);

      nConstraint++;
      startEq = 0;


      start_constraints = 1;

    }
    codeApplyAffinity(pParse, regBase, nConstraint - bSeekPastNull, zStartAff);
    if( pLoop->nSkip>0 && nConstraint==pLoop->nSkip ){
      /* The skip-scan logic inside the call to codeAllEqualityConstraints()
      ** above has already left the cursor sitting on the correct row,
      ** so no further seeking is needed */
    }else{
      if( pLoop->wsFlags & WHERE_IN_EARLYOUT ){
        sqlite3VdbeAddOp1(v, OP_SeekHit, iIdxCur);
      }





      op = aStartOp[(start_constraints<<2) + (startEq<<1) + bRev];
      assert( op!=0 );
      sqlite3VdbeAddOp4Int(v, op, iIdxCur, addrNxt, regBase, nConstraint);
      VdbeCoverage(v);
      VdbeCoverageIf(v, op==OP_Rewind);  testcase( op==OP_Rewind );
      VdbeCoverageIf(v, op==OP_Last);    testcase( op==OP_Last );
      VdbeCoverageIf(v, op==OP_SeekGT);  testcase( op==OP_SeekGT );
      VdbeCoverageIf(v, op==OP_SeekGE);  testcase( op==OP_SeekGE );
      VdbeCoverageIf(v, op==OP_SeekLE);  testcase( op==OP_SeekLE );
      VdbeCoverageIf(v, op==OP_SeekLT);  testcase( op==OP_SeekLT );

















    }

    /* Load the value for the inequality constraint at the end of the
    ** range (if any).
    */
    nConstraint = nEq;
    if( pRangeEnd ){
................................................................................

      if( sqlite3ExprIsVector(pRight)==0 ){
        disableTerm(pLevel, pRangeEnd);
      }else{
        endEq = 1;
      }
    }else if( bStopAtNull ){

      sqlite3VdbeAddOp2(v, OP_Null, 0, regBase+nEq);
      endEq = 0;

      nConstraint++;
    }
    sqlite3DbFree(db, zStartAff);
    sqlite3DbFree(db, zEndAff);

    /* Top of the loop body */
    pLevel->p2 = sqlite3VdbeCurrentAddr(v);

    /* Check if the index cursor is past the end of the range. */
    if( nConstraint ){






      op = aEndOp[bRev*2 + endEq];
      sqlite3VdbeAddOp4Int(v, op, iIdxCur, addrNxt, regBase, nConstraint);

















      testcase( op==OP_IdxGT );  VdbeCoverageIf(v, op==OP_IdxGT );
      testcase( op==OP_IdxGE );  VdbeCoverageIf(v, op==OP_IdxGE );
      testcase( op==OP_IdxLT );  VdbeCoverageIf(v, op==OP_IdxLT );
      testcase( op==OP_IdxLE );  VdbeCoverageIf(v, op==OP_IdxLE );
    }

    if( pLoop->wsFlags & WHERE_IN_EARLYOUT ){
................................................................................
  }
  pTerm = &pWC->a[idx = pWC->nTerm++];
  if( p && ExprHasProperty(p, EP_Unlikely) ){
    pTerm->truthProb = sqlite3LogEst(p->iTable) - 270;
  }else{
    pTerm->truthProb = 1;
  }
  pTerm->pExpr = sqlite3ExprSkipCollate(p);
  pTerm->wtFlags = wtFlags;
  pTerm->pWC = pWC;
  pTerm->iParent = -1;
  memset(&pTerm->eOperator, 0,
         sizeof(WhereTerm) - offsetof(WhereTerm,eOperator));
  return idx;
}
................................................................................
** If left/right precedence rules come into play when determining the
** collating sequence, then COLLATE operators are adjusted to ensure
** that the collating sequence does not change.  For example:
** "Y collate NOCASE op X" becomes "X op Y" because any collation sequence on
** the left hand side of a comparison overrides any collation sequence 
** attached to the right. For the same reason the EP_Collate flag
** is not commuted.





*/
static void exprCommute(Parse *pParse, Expr *pExpr){
  u16 expRight = (pExpr->pRight->flags & EP_Collate);
  u16 expLeft = (pExpr->pLeft->flags & EP_Collate);

  assert( allowedOp(pExpr->op) && pExpr->op!=TK_IN );
  if( expRight==expLeft ){
    /* Either X and Y both have COLLATE operator or neither do */
    if( expRight ){
      /* Both X and Y have COLLATE operators.  Make sure X is always
      ** used by clearing the EP_Collate flag from Y. */
      pExpr->pRight->flags &= ~EP_Collate;

    }else if( sqlite3ExprCollSeq(pParse, pExpr->pLeft)!=0 ){
      /* Neither X nor Y have COLLATE operators, but X has a non-default
      ** collating sequence.  So add the EP_Collate marker on X to cause
      ** it to be searched first. */
      pExpr->pLeft->flags |= EP_Collate;

    }
  }
  SWAP(Expr*,pExpr->pRight,pExpr->pLeft);
  if( pExpr->op>=TK_GT ){
    assert( TK_LT==TK_GT+2 );
    assert( TK_GE==TK_LE+2 );
    assert( TK_GT>TK_EQ );
    assert( TK_GT<TK_LE );
    assert( pExpr->op>=TK_GT && pExpr->op<=TK_GE );
    pExpr->op = ((pExpr->op-TK_GT)^2)+TK_GT;
  }

}

/*
** Translate from TK_xx operator to WO_xx bitmask.
*/
static u16 operatorMask(int op){
  u16 c;
................................................................................
          pTerm->eOperator |= WO_EQUIV;
          eExtraOp = WO_EQUIV;
        }
      }else{
        pDup = pExpr;
        pNew = pTerm;
      }
      exprCommute(pParse, pDup);
      pNew->leftCursor = aiCurCol[0];
      pNew->u.leftColumn = aiCurCol[1];
      testcase( (prereqLeft | extraRight) != prereqLeft );
      pNew->prereqRight = prereqLeft | extraRight;
      pNew->prereqAll = prereqAll;
      pNew->eOperator = (operatorMask(pDup->op) + eExtraOp) & opMask;
    }
................................................................................
      idxNew = whereClauseInsert(pWC, pExpr, TERM_VIRTUAL);
      pWC->a[idxNew].iField = i+1;
      exprAnalyze(pSrc, pWC, idxNew);
      markTermAsChild(pWC, idxNew, idxTerm);
    }
  }

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  /* When sqlite_stat3 histogram data is available an operator of the
  ** form "x IS NOT NULL" can sometimes be evaluated more efficiently
  ** as "x>NULL" if x is not an INTEGER PRIMARY KEY.  So construct a
  ** virtual term of that form.
  **
  ** Note that the virtual term must be tagged with TERM_VNULL.
  */
  if( pExpr->op==TK_NOTNULL
   && pExpr->pLeft->op==TK_COLUMN
   && pExpr->pLeft->iColumn>=0
   && !ExprHasProperty(pExpr, EP_FromJoin)
   && OptimizationEnabled(db, SQLITE_Stat34)
  ){
    Expr *pNewExpr;
    Expr *pLeft = pExpr->pLeft;
    int idxNew;
    WhereTerm *pNewTerm;

    pNewExpr = sqlite3PExpr(pParse, TK_GT,
................................................................................
      pNewTerm->eOperator = WO_GT;
      markTermAsChild(pWC, idxNew, idxTerm);
      pTerm = &pWC->a[idxTerm];
      pTerm->wtFlags |= TERM_COPIED;
      pNewTerm->prereqAll = pTerm->prereqAll;
    }
  }
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */

  /* Prevent ON clause terms of a LEFT JOIN from being used to drive
  ** an index for tables to the left of the join.
  */
  testcase( pTerm!=&pWC->a[idxTerm] );
  pTerm = &pWC->a[idxTerm];
  pTerm->prereqRight |= extraRight;
................................................................................
** does is make slot[] entries point to substructure within pExpr.
**
** In the previous sentence and in the diagram, "slot[]" refers to
** the WhereClause.a[] array.  The slot[] array grows as needed to contain
** all terms of the WHERE clause.
*/
SQLITE_PRIVATE void sqlite3WhereSplit(WhereClause *pWC, Expr *pExpr, u8 op){
  Expr *pE2 = sqlite3ExprSkipCollate(pExpr);
  pWC->op = op;
  if( pE2==0 ) return;
  if( pE2->op!=op ){
    whereClauseInsert(pWC, pExpr, 0);
  }else{
    sqlite3WhereSplit(pWC, pE2->pLeft, op);
    sqlite3WhereSplit(pWC, pE2->pRight, op);
................................................................................
         && (iColumn!=XN_EXPR
             || sqlite3ExprCompareSkip(pTerm->pExpr->pLeft,
                                       pScan->pIdxExpr,iCur)==0)
         && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_FromJoin))
        ){
          if( (pTerm->eOperator & WO_EQUIV)!=0
           && pScan->nEquiv<ArraySize(pScan->aiCur)
           && (pX = sqlite3ExprSkipCollate(pTerm->pExpr->pRight))->op==TK_COLUMN

          ){
            int j;
            for(j=0; j<pScan->nEquiv; j++){
              if( pScan->aiCur[j]==pX->iTable
               && pScan->aiColumn[j]==pX->iColumn ){
                  break;
              }
................................................................................
  Index *pIdx,                    /* Index to match column of */
  int iCol                        /* Column of index to match */
){
  int i;
  const char *zColl = pIdx->azColl[iCol];

  for(i=0; i<pList->nExpr; i++){
    Expr *p = sqlite3ExprSkipCollate(pList->a[i].pExpr);
    if( p->op==TK_COLUMN
     && p->iColumn==pIdx->aiColumn[iCol]
     && p->iTable==iBase
    ){
      CollSeq *pColl = sqlite3ExprNNCollSeq(pParse, pList->a[i].pExpr);
      if( 0==sqlite3StrICmp(pColl->zName, zColl) ){
        return i;
................................................................................
  pTab = pTabList->a[0].pTab;

  /* If any of the expressions is an IPK column on table iBase, then return 
  ** true. Note: The (p->iTable==iBase) part of this test may be false if the
  ** current SELECT is a correlated sub-query.
  */
  for(i=0; i<pDistinct->nExpr; i++){
    Expr *p = sqlite3ExprSkipCollate(pDistinct->a[i].pExpr);
    if( p->op==TK_COLUMN && p->iTable==iBase && p->iColumn<0 ) return 1;
  }

  /* Loop through all indices on the table, checking each to see if it makes
  ** the DISTINCT qualifier redundant. It does so if:
  **
  **   1. The index is itself UNIQUE, and
................................................................................
  */
  nOrderBy = 0;
  if( pOrderBy ){
    int n = pOrderBy->nExpr;
    for(i=0; i<n; i++){
      Expr *pExpr = pOrderBy->a[i].pExpr;
      if( pExpr->op!=TK_COLUMN || pExpr->iTable!=pSrc->iCursor ) break;

    }
    if( i==n){
      nOrderBy = n;
    }
  }

  /* Allocate the sqlite3_index_info structure
................................................................................
    }

    j++;
  }
  for(i=0; i<nOrderBy; i++){
    Expr *pExpr = pOrderBy->a[i].pExpr;
    pIdxOrderBy[i].iColumn = pExpr->iColumn;
    pIdxOrderBy[i].desc = pOrderBy->a[i].sortOrder;
  }

  *pmNoOmit = mNoOmit;
  return pIdxInfo;
}

/*
................................................................................
  }
  sqlite3_free(pVtab->zErrMsg);
  pVtab->zErrMsg = 0;
  return rc;
}
#endif /* !defined(SQLITE_OMIT_VIRTUALTABLE) */

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Estimate the location of a particular key among all keys in an
** index.  Store the results in aStat as follows:
**
**    aStat[0]      Est. number of rows less than pRec
**    aStat[1]      Est. number of rows equal to pRec
**
................................................................................
    aStat[1] = pIdx->aAvgEq[nField-1];
  }

  /* Restore the pRec->nField value before returning.  */
  pRec->nField = nField;
  return i;
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */

/*
** If it is not NULL, pTerm is a term that provides an upper or lower
** bound on a range scan. Without considering pTerm, it is estimated 
** that the scan will visit nNew rows. This function returns the number
** estimated to be visited after taking pTerm into account.
**
................................................................................
      nRet -= 20;        assert( 20==sqlite3LogEst(4) );
    }
  }
  return nRet;
}


#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Return the affinity for a single column of an index.
*/
SQLITE_PRIVATE char sqlite3IndexColumnAffinity(sqlite3 *db, Index *pIdx, int iCol){
  assert( iCol>=0 && iCol<pIdx->nColumn );
  if( !pIdx->zColAff ){
    if( sqlite3IndexAffinityStr(db, pIdx)==0 ) return SQLITE_AFF_BLOB;
  }

  return pIdx->zColAff[iCol];
}
#endif


#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/* 
** This function is called to estimate the number of rows visited by a
** range-scan on a skip-scan index. For example:
**
**   CREATE INDEX i1 ON t1(a, b, c);
**   SELECT * FROM t1 WHERE a=? AND c BETWEEN ? AND ?;
**
................................................................................

  sqlite3ValueFree(p1);
  sqlite3ValueFree(p2);
  sqlite3ValueFree(pVal);

  return rc;
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */

/*
** This function is used to estimate the number of rows that will be visited
** by scanning an index for a range of values. The range may have an upper
** bound, a lower bound, or both. The WHERE clause terms that set the upper
** and lower bounds are represented by pLower and pUpper respectively. For
** example, assuming that index p is on t1(a):
................................................................................
  WhereTerm *pUpper,   /* Upper bound on the range. ex: "x<455" Might be NULL */
  WhereLoop *pLoop     /* Modify the .nOut and maybe .rRun fields */
){
  int rc = SQLITE_OK;
  int nOut = pLoop->nOut;
  LogEst nNew;

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
  Index *p = pLoop->u.btree.pIndex;
  int nEq = pLoop->u.btree.nEq;

  if( p->nSample>0 && nEq<p->nSampleCol
   && OptimizationEnabled(pParse->db, SQLITE_Stat34)
  ){
    if( nEq==pBuilder->nRecValid ){
      UnpackedRecord *pRec = pBuilder->pRec;
      tRowcnt a[2];
      int nBtm = pLoop->u.btree.nBtm;
      int nTop = pLoop->u.btree.nTop;

................................................................................
      pBuilder->pRec = pRec;
      if( rc==SQLITE_OK ){
        if( iUpper>iLower ){
          nNew = sqlite3LogEst(iUpper - iLower);
          /* TUNING:  If both iUpper and iLower are derived from the same
          ** sample, then assume they are 4x more selective.  This brings
          ** the estimated selectivity more in line with what it would be
          ** if estimated without the use of STAT3/4 tables. */
          if( iLwrIdx==iUprIdx ) nNew -= 20;  assert( 20==sqlite3LogEst(4) );
        }else{
          nNew = 10;        assert( 10==sqlite3LogEst(2) );
        }
        if( nNew<nOut ){
          nOut = nNew;
        }
................................................................................
                    pLoop->nOut, nOut));
  }
#endif
  pLoop->nOut = (LogEst)nOut;
  return rc;
}

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Estimate the number of rows that will be returned based on
** an equality constraint x=VALUE and where that VALUE occurs in
** the histogram data.  This only works when x is the left-most
** column of an index and sqlite_stat3 histogram data is available
** for that index.  When pExpr==NULL that means the constraint is
** "x IS NULL" instead of "x=VALUE".
**
** Write the estimated row count into *pnRow and return SQLITE_OK. 
** If unable to make an estimate, leave *pnRow unchanged and return
** non-zero.
**
................................................................................
  whereKeyStats(pParse, p, pRec, 0, a);
  WHERETRACE(0x10,("equality scan regions %s(%d): %d\n",
                   p->zName, nEq-1, (int)a[1]));
  *pnRow = a[1];
  
  return rc;
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */

#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
/*
** Estimate the number of rows that will be returned based on
** an IN constraint where the right-hand side of the IN operator
** is a list of values.  Example:
**
**        WHERE x IN (1,2,3,4)
**
................................................................................
    if( nRowEst > nRow0 ) nRowEst = nRow0;
    *pnRow = nRowEst;
    WHERETRACE(0x10,("IN row estimate: est=%d\n", nRowEst));
  }
  assert( pBuilder->nRecValid==nRecValid );
  return rc;
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */


#ifdef WHERETRACE_ENABLED
/*
** Print the content of a WhereTerm object
*/
static void whereTermPrint(WhereTerm *pTerm, int iTerm){
................................................................................
  WhereTerm *pTerm, *pX;
  Bitmask notAllowed = ~(pLoop->prereq|pLoop->maskSelf);
  int i, j, k;
  LogEst iReduce = 0;    /* pLoop->nOut should not exceed nRow-iReduce */

  assert( (pLoop->wsFlags & WHERE_AUTO_INDEX)==0 );
  for(i=pWC->nTerm, pTerm=pWC->a; i>0; i--, pTerm++){

    if( (pTerm->wtFlags & TERM_VIRTUAL)!=0 ) break;
    if( (pTerm->prereqAll & pLoop->maskSelf)==0 ) continue;
    if( (pTerm->prereqAll & notAllowed)!=0 ) continue;
    for(j=pLoop->nLTerm-1; j>=0; j--){
      pX = pLoop->aLTerm[j];
      if( pX==0 ) continue;
      if( pX==pTerm ) break;
................................................................................
  rSize = pProbe->aiRowLogEst[0];
  rLogSize = estLog(rSize);
  for(; rc==SQLITE_OK && pTerm!=0; pTerm = whereScanNext(&scan)){
    u16 eOp = pTerm->eOperator;   /* Shorthand for pTerm->eOperator */
    LogEst rCostIdx;
    LogEst nOutUnadjusted;        /* nOut before IN() and WHERE adjustments */
    int nIn = 0;
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    int nRecValid = pBuilder->nRecValid;
#endif
    if( (eOp==WO_ISNULL || (pTerm->wtFlags&TERM_VNULL)!=0)
     && indexColumnNotNull(pProbe, saved_nEq)
    ){
      continue; /* ignore IS [NOT] NULL constraints on NOT NULL columns */
    }
................................................................................
        ** first such term in use, and sets nIn back to 0 if it is not. */
        for(i=0; i<pNew->nLTerm-1; i++){
          if( pNew->aLTerm[i] && pNew->aLTerm[i]->pExpr==pExpr ) nIn = 0;
        }
      }else if( ALWAYS(pExpr->x.pList && pExpr->x.pList->nExpr) ){
        /* "x IN (value, value, ...)" */
        nIn = sqlite3LogEst(pExpr->x.pList->nExpr);
        assert( nIn>0 );  /* RHS always has 2 or more terms...  The parser
                          ** changes "x IN (?)" into "x=?". */
      }
      if( pProbe->hasStat1 ){
        LogEst M, logK, safetyMargin;
        /* Let:
        **   N = the total number of rows in the table
        **   K = the number of entries on the RHS of the IN operator
        **   M = the number of rows in the table that match terms to the 
................................................................................
    /* At this point pNew->nOut is set to the number of rows expected to
    ** be visited by the index scan before considering term pTerm, or the
    ** values of nIn and nInMul. In other words, assuming that all 
    ** "x IN(...)" terms are replaced with "x = ?". This block updates
    ** the value of pNew->nOut to account for pTerm (but not nIn/nInMul).  */
    assert( pNew->nOut==saved_nOut );
    if( pNew->wsFlags & WHERE_COLUMN_RANGE ){
      /* Adjust nOut using stat3/stat4 data. Or, if there is no stat3/stat4
      ** data, using some other estimate.  */
      whereRangeScanEst(pParse, pBuilder, pBtm, pTop, pNew);
    }else{
      int nEq = ++pNew->u.btree.nEq;
      assert( eOp & (WO_ISNULL|WO_EQ|WO_IN|WO_IS) );

      assert( pNew->nOut==saved_nOut );
      if( pTerm->truthProb<=0 && pProbe->aiColumn[saved_nEq]>=0 ){
        assert( (eOp & WO_IN) || nIn==0 );
        testcase( eOp & WO_IN );
        pNew->nOut += pTerm->truthProb;
        pNew->nOut -= nIn;
      }else{
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
        tRowcnt nOut = 0;
        if( nInMul==0 
         && pProbe->nSample 
         && pNew->u.btree.nEq<=pProbe->nSampleCol
         && ((eOp & WO_IN)==0 || !ExprHasProperty(pTerm->pExpr, EP_xIsSelect))
         && OptimizationEnabled(db, SQLITE_Stat34)
        ){
          Expr *pExpr = pTerm->pExpr;
          if( (eOp & (WO_EQ|WO_ISNULL|WO_IS))!=0 ){
            testcase( eOp & WO_EQ );
            testcase( eOp & WO_IS );
            testcase( eOp & WO_ISNULL );
            rc = whereEqualScanEst(pParse, pBuilder, pExpr->pRight, &nOut);
................................................................................
      }
    }

    /* Set rCostIdx to the cost of visiting selected rows in index. Add
    ** it to pNew->rRun, which is currently set to the cost of the index
    ** seek only. Then, if this is a non-covering index, add the cost of
    ** visiting the rows in the main table.  */

    rCostIdx = pNew->nOut + 1 + (15*pProbe->szIdxRow)/pSrc->pTab->szTabRow;
    pNew->rRun = sqlite3LogEstAdd(rLogSize, rCostIdx);
    if( (pNew->wsFlags & (WHERE_IDX_ONLY|WHERE_IPK))==0 ){
      pNew->rRun = sqlite3LogEstAdd(pNew->rRun, pNew->nOut + 16);
    }
    ApplyCostMultiplier(pNew->rRun, pProbe->pTable->costMult);

................................................................................

    if( (pNew->wsFlags & WHERE_TOP_LIMIT)==0
     && pNew->u.btree.nEq<pProbe->nColumn
    ){
      whereLoopAddBtreeIndex(pBuilder, pSrc, pProbe, nInMul+nIn);
    }
    pNew->nOut = saved_nOut;
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    pBuilder->nRecValid = nRecValid;
#endif
  }
  pNew->prereq = saved_prereq;
  pNew->u.btree.nEq = saved_nEq;
  pNew->u.btree.nBtm = saved_nBtm;
  pNew->u.btree.nTop = saved_nTop;
................................................................................
  ExprList *pOB;
  ExprList *aColExpr;
  int ii, jj;

  if( pIndex->bUnordered ) return 0;
  if( (pOB = pBuilder->pWInfo->pOrderBy)==0 ) return 0;
  for(ii=0; ii<pOB->nExpr; ii++){
    Expr *pExpr = sqlite3ExprSkipCollate(pOB->a[ii].pExpr);
    if( pExpr->op==TK_COLUMN && pExpr->iTable==iCursor ){
      if( pExpr->iColumn<0 ) return 1;
      for(jj=0; jj<pIndex->nKeyCol; jj++){
        if( pExpr->iColumn==pIndex->aiColumn[jj] ) return 1;
      }
    }else if( (aColExpr = pIndex->aColExpr)!=0 ){
      for(jj=0; jj<pIndex->nKeyCol; jj++){
................................................................................
  Parse *pParse = pWC->pWInfo->pParse;
  while( pWhere->op==TK_AND ){
    if( !whereUsablePartialIndex(iTab,pWC,pWhere->pLeft) ) return 0;
    pWhere = pWhere->pRight;
  }
  if( pParse->db->flags & SQLITE_EnableQPSG ) pParse = 0;
  for(i=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){


    Expr *pExpr = pTerm->pExpr;
    if( (!ExprHasProperty(pExpr, EP_FromJoin) || pExpr->iRightJoinTable==iTab)
     && sqlite3ExprImpliesExpr(pParse, pExpr, pWhere, iTab) 
    ){
      return 1;
    }
  }
  return 0;
................................................................................
    if( pBuilder->bldFlags==SQLITE_BLDF_INDEXED ){
      /* If a non-unique index is used, or if a prefix of the key for
      ** unique index is used (making the index functionally non-unique)
      ** then the sqlite_stat1 data becomes important for scoring the
      ** plan */
      pTab->tabFlags |= TF_StatsUsed;
    }
#ifdef SQLITE_ENABLE_STAT3_OR_STAT4
    sqlite3Stat4ProbeFree(pBuilder->pRec);
    pBuilder->nRecValid = 0;
    pBuilder->pRec = 0;
#endif
  }
  return rc;
}
................................................................................
      if( wctrlFlags & WHERE_ORDERBY_LIMIT ) continue;
    }else{
      pLoop = pLast;
    }
    if( pLoop->wsFlags & WHERE_VIRTUALTABLE ){
      if( pLoop->u.vtab.isOrdered ) obSat = obDone;
      break;
    }else{
      pLoop->u.btree.nIdxCol = 0;
    }
    iCur = pWInfo->pTabList->a[pLoop->iTab].iCursor;

    /* Mark off any ORDER BY term X that is a column in the table of
    ** the current loop for which there is term in the WHERE
    ** clause of the form X IS NULL or X=? that reference only outer
    ** loops.
    */
    for(i=0; i<nOrderBy; i++){
      if( MASKBIT(i) & obSat ) continue;
      pOBExpr = sqlite3ExprSkipCollate(pOrderBy->a[i].pExpr);
      if( pOBExpr->op!=TK_COLUMN ) continue;
      if( pOBExpr->iTable!=iCur ) continue;
      pTerm = sqlite3WhereFindTerm(&pWInfo->sWC, iCur, pOBExpr->iColumn,
                       ~ready, eqOpMask, 0);
      if( pTerm==0 ) continue;
      if( pTerm->eOperator==WO_IN ){
        /* IN terms are only valid for sorting in the ORDER BY LIMIT 
................................................................................
        return 0;
      }else{
        nKeyCol = pIndex->nKeyCol;
        nColumn = pIndex->nColumn;
        assert( nColumn==nKeyCol+1 || !HasRowid(pIndex->pTable) );
        assert( pIndex->aiColumn[nColumn-1]==XN_ROWID
                          || !HasRowid(pIndex->pTable));
        isOrderDistinct = IsUniqueIndex(pIndex);

      }

      /* Loop through all columns of the index and deal with the ones
      ** that are not constrained by == or IN.
      */
      rev = revSet = 0;
      distinctColumns = 0;
................................................................................
        assert( j>=pLoop->u.btree.nEq 
            || (pLoop->aLTerm[j]==0)==(j<pLoop->nSkip)
        );
        if( j<pLoop->u.btree.nEq && j>=pLoop->nSkip ){
          u16 eOp = pLoop->aLTerm[j]->eOperator;

          /* Skip over == and IS and ISNULL terms.  (Also skip IN terms when
          ** doing WHERE_ORDERBY_LIMIT processing). 



          **
          ** If the current term is a column of an ((?,?) IN (SELECT...)) 
          ** expression for which the SELECT returns more than one column,
          ** check that it is the only column used by this loop. Otherwise,
          ** if it is one of two or more, none of the columns can be
          ** considered to match an ORDER BY term.  */

          if( (eOp & eqOpMask)!=0 ){

            if( eOp & WO_ISNULL ){

              testcase( isOrderDistinct );
              isOrderDistinct = 0;
            }
            continue;  
          }else if( ALWAYS(eOp & WO_IN) ){
            /* ALWAYS() justification: eOp is an equality operator due to the
            ** j<pLoop->u.btree.nEq constraint above.  Any equality other
................................................................................
        }

        /* Get the column number in the table (iColumn) and sort order
        ** (revIdx) for the j-th column of the index.
        */
        if( pIndex ){
          iColumn = pIndex->aiColumn[j];
          revIdx = pIndex->aSortOrder[j];
          if( iColumn==pIndex->pTable->iPKey ) iColumn = XN_ROWID;
        }else{
          iColumn = XN_ROWID;
          revIdx = 0;
        }

        /* An unconstrained column that might be NULL means that this
................................................................................

        /* Find the ORDER BY term that corresponds to the j-th column
        ** of the index and mark that ORDER BY term off 
        */
        isMatch = 0;
        for(i=0; bOnce && i<nOrderBy; i++){
          if( MASKBIT(i) & obSat ) continue;
          pOBExpr = sqlite3ExprSkipCollate(pOrderBy->a[i].pExpr);
          testcase( wctrlFlags & WHERE_GROUPBY );
          testcase( wctrlFlags & WHERE_DISTINCTBY );
          if( (wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY))==0 ) bOnce = 0;
          if( iColumn>=XN_ROWID ){
            if( pOBExpr->op!=TK_COLUMN ) continue;
            if( pOBExpr->iTable!=iCur ) continue;
            if( pOBExpr->iColumn!=iColumn ) continue;
................................................................................
              continue;
            }
          }
          if( iColumn!=XN_ROWID ){
            pColl = sqlite3ExprNNCollSeq(pWInfo->pParse, pOrderBy->a[i].pExpr);
            if( sqlite3StrICmp(pColl->zName, pIndex->azColl[j])!=0 ) continue;
          }

          pLoop->u.btree.nIdxCol = j+1;

          isMatch = 1;
          break;
        }
        if( isMatch && (wctrlFlags & WHERE_GROUPBY)==0 ){
          /* Make sure the sort order is compatible in an ORDER BY clause.
          ** Sort order is irrelevant for a GROUP BY clause. */
          if( revSet ){
            if( (rev ^ revIdx)!=pOrderBy->a[i].sortOrder ) isMatch = 0;


          }else{
            rev = revIdx ^ pOrderBy->a[i].sortOrder;
            if( rev ) *pRevMask |= MASKBIT(iLoop);
            revSet = 1;
          }







        }
        if( isMatch ){
          if( iColumn==XN_ROWID ){
            testcase( distinctColumns==0 );
            distinctColumns = 1;
          }
          obSat |= MASKBIT(i);
................................................................................
#if defined(WHERETRACE_ENABLED)
  if( sqlite3WhereTrace & 0xffff ){
    sqlite3DebugPrintf("*** Optimizer Start *** (wctrlFlags: 0x%x",wctrlFlags);
    if( wctrlFlags & WHERE_USE_LIMIT ){
      sqlite3DebugPrintf(", limit: %d", iAuxArg);
    }
    sqlite3DebugPrintf(")\n");










  }
  if( sqlite3WhereTrace & 0x100 ){ /* Display all terms of the WHERE clause */
    sqlite3WhereClausePrint(sWLB.pWC);
  }
#endif

  if( nTabList!=1 || whereShortCut(&sWLB)==0 ){
................................................................................
      assert( pIx->pSchema==pTab->pSchema );
      assert( iIndexCur>=0 );
      if( op ){
        sqlite3VdbeAddOp3(v, op, iIndexCur, pIx->tnum, iDb);
        sqlite3VdbeSetP4KeyInfo(pParse, pIx);
        if( (pLoop->wsFlags & WHERE_CONSTRAINT)!=0
         && (pLoop->wsFlags & (WHERE_COLUMN_RANGE|WHERE_SKIPSCAN))==0

         && (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)==0
         && pWInfo->eDistinct!=WHERE_DISTINCT_ORDERED
        ){
          sqlite3VdbeChangeP5(v, OPFLAG_SEEKEQ); /* Hint to COMDB2 */
        }
        VdbeComment((v, "%s", pIx->zName));
#ifdef SQLITE_ENABLE_COLUMN_USED_MASK
................................................................................
      int addrSeek = 0;
      Index *pIdx;
      int n;
      if( pWInfo->eDistinct==WHERE_DISTINCT_ORDERED
       && i==pWInfo->nLevel-1  /* Ticket [ef9318757b152e3] 2017-10-21 */
       && (pLoop->wsFlags & WHERE_INDEXED)!=0
       && (pIdx = pLoop->u.btree.pIndex)->hasStat1
       && (n = pLoop->u.btree.nIdxCol)>0
       && pIdx->aiRowLogEst[n]>=36
      ){
        int r1 = pParse->nMem+1;
        int j, op;
        for(j=0; j<n; j++){
          sqlite3VdbeAddOp3(v, OP_Column, pLevel->iIdxCur, j, r1+j);
        }
................................................................................
      sqlite3VdbeResolveLabel(v, pLevel->addrCont);
      sqlite3VdbeAddOp3(v, pLevel->op, pLevel->p1, pLevel->p2, pLevel->p3);
      sqlite3VdbeChangeP5(v, pLevel->p5);
      VdbeCoverage(v);
      VdbeCoverageIf(v, pLevel->op==OP_Next);
      VdbeCoverageIf(v, pLevel->op==OP_Prev);
      VdbeCoverageIf(v, pLevel->op==OP_VNext);





#ifndef SQLITE_DISABLE_SKIPAHEAD_DISTINCT
      if( addrSeek ) sqlite3VdbeJumpHere(v, addrSeek);
#endif
    }else{
      sqlite3VdbeResolveLabel(v, pLevel->addrCont);
    }
    if( pLoop->wsFlags & WHERE_IN_ABLE && pLevel->u.in.nIn>0 ){
................................................................................
** Callback function used by selectWindowRewriteEList(). If necessary,
** this function appends to the output expression-list and updates 
** expression (*ppExpr) in place.
*/
static int selectWindowRewriteExprCb(Walker *pWalker, Expr *pExpr){
  struct WindowRewrite *p = pWalker->u.pRewrite;
  Parse *pParse = pWalker->pParse;



  /* If this function is being called from within a scalar sub-select
  ** that used by the SELECT statement being processed, only process
  ** TK_COLUMN expressions that refer to it (the outer SELECT). Do
  ** not process aggregates or window functions at all, as they belong
  ** to the scalar sub-select.  */
  if( p->pSubSelect ){
................................................................................
  ExprList *pEList,               /* Rewrite expressions in this list */
  Table *pTab,
  ExprList **ppSub                /* IN/OUT: Sub-select expression-list */
){
  Walker sWalker;
  WindowRewrite sRewrite;


  memset(&sWalker, 0, sizeof(Walker));
  memset(&sRewrite, 0, sizeof(WindowRewrite));

  sRewrite.pSub = *ppSub;
  sRewrite.pWin = pWin;
  sRewrite.pSrc = pSrc;
  sRewrite.pTab = pTab;
................................................................................
    for(i=0; i<pAppend->nExpr; i++){
      Expr *pDup = sqlite3ExprDup(pParse->db, pAppend->a[i].pExpr, 0);
      if( bIntToNull && pDup && pDup->op==TK_INTEGER ){
        pDup->op = TK_NULL;
        pDup->flags &= ~(EP_IntValue|EP_IsTrue|EP_IsFalse);
      }
      pList = sqlite3ExprListAppend(pParse, pList, pDup);
      if( pList ) pList->a[nInit+i].sortOrder = pAppend->a[i].sortOrder;
    }
  }
  return pList;
}

/*
** If the SELECT statement passed as the second argument does not invoke
................................................................................
    p->selFlags &= ~SF_Aggregate;

    /* Create the ORDER BY clause for the sub-select. This is the concatenation
    ** of the window PARTITION and ORDER BY clauses. Then, if this makes it
    ** redundant, remove the ORDER BY from the parent SELECT.  */
    pSort = sqlite3ExprListDup(db, pMWin->pPartition, 0);
    pSort = exprListAppendList(pParse, pSort, pMWin->pOrderBy, 1);
    if( pSort && p->pOrderBy ){


      if( sqlite3ExprListCompare(pSort, p->pOrderBy, -1)==0 ){
        sqlite3ExprListDelete(db, p->pOrderBy);
        p->pOrderBy = 0;
      }

    }

    /* Assign a cursor number for the ephemeral table used to buffer rows.
    ** The OpenEphemeral instruction is coded later, after it is known how
    ** many columns the table will have.  */
    pMWin->iEphCsr = pParse->nTab++;
    pParse->nTab += 3;
................................................................................
    );
    p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0);
    if( p->pSrc ){
      Table *pTab2;
      p->pSrc->a[0].pSelect = pSub;
      sqlite3SrcListAssignCursors(pParse, p->pSrc);
      pSub->selFlags |= SF_Expanded;
      pTab2 = sqlite3ResultSetOfSelect(pParse, pSub);
      if( pTab2==0 ){
        rc = SQLITE_NOMEM;
      }else{
        memcpy(pTab, pTab2, sizeof(Table));
        pTab->tabFlags |= TF_Ephemeral;
        p->pSrc->a[0].pTab = pTab;
        pTab = pTab2;
................................................................................
    }
    if( db->mallocFailed ) rc = SQLITE_NOMEM;
    sqlite3DbFree(db, pTab);
  }

  return rc;
}













/*
** Free the Window object passed as the second argument.
*/
SQLITE_PRIVATE void sqlite3WindowDelete(sqlite3 *db, Window *p){
  if( p ){

    sqlite3ExprDelete(db, p->pFilter);
    sqlite3ExprListDelete(db, p->pPartition);
    sqlite3ExprListDelete(db, p->pOrderBy);
    sqlite3ExprDelete(db, p->pEnd);
    sqlite3ExprDelete(db, p->pStart);
    sqlite3DbFree(db, p->zName);
    sqlite3DbFree(db, p->zBase);
................................................................................

/*
** Attach window object pWin to expression p.
*/
SQLITE_PRIVATE void sqlite3WindowAttach(Parse *pParse, Expr *p, Window *pWin){
  if( p ){
    assert( p->op==TK_FUNCTION );
    /* This routine is only called for the parser.  If pWin was not
    ** allocated due to an OOM, then the parser would fail before ever
    ** invoking this routine */
    if( ALWAYS(pWin) ){
      p->y.pWin = pWin;
      ExprSetProperty(p, EP_WinFunc);
      pWin->pOwner = p;
      if( p->flags & EP_Distinct ){
        sqlite3ErrorMsg(pParse,
           "DISTINCT is not supported for window functions");
      }

    }
  }else{
    sqlite3WindowDelete(pParse->db, pWin);
  }
}




















/*
** Return 0 if the two window objects are identical, or non-zero otherwise.
** Identical window objects can be processed in a single scan.
*/
SQLITE_PRIVATE int sqlite3WindowCompare(Parse *pParse, Window *p1, Window *p2){
  if( p1->eFrmType!=p2->eFrmType ) return 1;
  if( p1->eStart!=p2->eStart ) return 1;
  if( p1->eEnd!=p2->eEnd ) return 1;
  if( p1->eExclude!=p2->eExclude ) return 1;
  if( sqlite3ExprCompare(pParse, p1->pStart, p2->pStart, -1) ) return 1;
  if( sqlite3ExprCompare(pParse, p1->pEnd, p2->pEnd, -1) ) return 1;
  if( sqlite3ExprListCompare(p1->pPartition, p2->pPartition, -1) ) return 1;
  if( sqlite3ExprListCompare(p1->pOrderBy, p2->pOrderBy, -1) ) return 1;



  return 0;
}


/*
** This is called by code in select.c before it calls sqlite3WhereBegin()
** to begin iterating through the sub-query results. It is used to allocate
................................................................................
      */
      ExprList *pList = pWin->pOwner->x.pList;
      KeyInfo *pKeyInfo = sqlite3KeyInfoFromExprList(pParse, pList, 0, 0);
      pWin->csrApp = pParse->nTab++;
      pWin->regApp = pParse->nMem+1;
      pParse->nMem += 3;
      if( pKeyInfo && pWin->pFunc->zName[1]=='i' ){
        assert( pKeyInfo->aSortOrder[0]==0 );
        pKeyInfo->aSortOrder[0] = 1;
      }
      sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pWin->csrApp, 2);
      sqlite3VdbeAppendP4(v, pKeyInfo, P4_KEYINFO);
      sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp+1);
    }
    else if( p->zName==nth_valueName || p->zName==first_valueName ){
      /* Allocate two registers at pWin->regApp. These will be used to
................................................................................
  Window *pWin;
  for(pWin=pMWin; pWin; pWin=pWin->pNextWin){
    FuncDef *pFunc = pWin->pFunc;
    int regArg;
    int nArg = windowArgCount(pWin);
    int i;



    for(i=0; i<nArg; i++){
      if( i!=1 || pFunc->zName!=nth_valueName ){
        sqlite3VdbeAddOp3(v, OP_Column, csr, pWin->iArgCol+i, reg+i);
      }else{
        sqlite3VdbeAddOp3(v, OP_Column, pMWin->iEphCsr, pWin->iArgCol+i, reg+i);
      }
    }
................................................................................
      if( addrIf ) sqlite3VdbeJumpHere(v, addrIf);
    }
  }
}

typedef struct WindowCodeArg WindowCodeArg;
typedef struct WindowCsrAndReg WindowCsrAndReg;




struct WindowCsrAndReg {
  int csr;
  int reg;


};
























































struct WindowCodeArg {
  Parse *pParse;
  Window *pMWin;

  Vdbe *pVdbe;
  int regGosub;
  int addrGosub;
  int regArg;



  int eDelete;

  WindowCsrAndReg start;
  WindowCsrAndReg current;
  WindowCsrAndReg end;
};

/*
................................................................................
  int regRowid = 0;               /* AggStep rowid value */
  int regPeer = 0;                /* AggStep peer values */

  int nPeer;
  int lblNext;
  int lblBrk;
  int addrNext;
  int csr = pMWin->csrApp;



  nPeer = (pMWin->pOrderBy ? pMWin->pOrderBy->nExpr : 0);

  lblNext = sqlite3VdbeMakeLabel(pParse);
  lblBrk = sqlite3VdbeMakeLabel(pParse);

  regCRowid = sqlite3GetTempReg(pParse);
  regRowid = sqlite3GetTempReg(pParse);
................................................................................
    sqlite3VdbeAddOp2(v, OP_Goto, 0, addr);
  }
}

/*
** This function is called as part of generating VM programs for RANGE
** offset PRECEDING/FOLLOWING frame boundaries. Assuming "ASC" order for
** the ORDER BY term in the window, it generates code equivalent to:

**
**   if( csr1.peerVal + regVal >= csr2.peerVal ) goto lbl;
**











** A special type of arithmetic is used such that if csr.peerVal is not
** a numeric type (real or integer), then the result of the addition is
** a copy of csr1.peerVal.
*/
static void windowCodeRangeTest(
  WindowCodeArg *p, 
  int op,                          /* OP_Ge or OP_Gt */
  int csr1, 
  int regVal, 
  int csr2,
  int lbl




){
  Parse *pParse = p->pParse;
  Vdbe *v = sqlite3GetVdbe(pParse);
  int reg1 = sqlite3GetTempReg(pParse);
  int reg2 = sqlite3GetTempReg(pParse);
  int arith = OP_Add;
  int addrGe;

  int regString = ++pParse->nMem;

  assert( op==OP_Ge || op==OP_Gt || op==OP_Le );
  assert( p->pMWin->pOrderBy && p->pMWin->pOrderBy->nExpr==1 );
  if( p->pMWin->pOrderBy->a[0].sortOrder ){
    switch( op ){
      case OP_Ge: op = OP_Le; break;
      case OP_Gt: op = OP_Lt; break;
      default: assert( op==OP_Le ); op = OP_Ge; break;
    }
    arith = OP_Subtract;
  }


  windowReadPeerValues(p, csr1, reg1);
  windowReadPeerValues(p, csr2, reg2);

  /* Check if the peer value for csr1 value is a text or blob by comparing
  ** it to the smallest possible string - ''. If it is, jump over the
  ** OP_Add or OP_Subtract operation and proceed directly to the comparison. */















  sqlite3VdbeAddOp4(v, OP_String8, 0, regString, 0, "", P4_STATIC);
  addrGe = sqlite3VdbeAddOp3(v, OP_Ge, regString, 0, reg1);
  VdbeCoverage(v);
  sqlite3VdbeAddOp3(v, arith, regVal, reg1, reg1);
  sqlite3VdbeJumpHere(v, addrGe);


















































  sqlite3VdbeAddOp3(v, op, reg2, lbl, reg1); VdbeCoverage(v);
  sqlite3VdbeChangeP5(v, SQLITE_NULLEQ);

  assert( op==OP_Ge || op==OP_Gt || op==OP_Lt || op==OP_Le );
  testcase(op==OP_Ge); VdbeCoverageIf(v, op==OP_Ge);
  testcase(op==OP_Lt); VdbeCoverageIf(v, op==OP_Lt);
  testcase(op==OP_Le); VdbeCoverageIf(v, op==OP_Le);
  testcase(op==OP_Gt); VdbeCoverageIf(v, op==OP_Gt);

  sqlite3ReleaseTempReg(pParse, reg1);
  sqlite3ReleaseTempReg(pParse, reg2);


}

/*
** Helper function for sqlite3WindowCodeStep(). Each call to this function
** generates VM code for a single RETURN_ROW, AGGSTEP or AGGINVERSE 
** operation. Refer to the header comment for sqlite3WindowCodeStep() for
** details.
................................................................................
      pNew->pFunc = p->pFunc;
      pNew->pPartition = sqlite3ExprListDup(db, p->pPartition, 0);
      pNew->pOrderBy = sqlite3ExprListDup(db, p->pOrderBy, 0);
      pNew->eFrmType = p->eFrmType;
      pNew->eEnd = p->eEnd;
      pNew->eStart = p->eStart;
      pNew->eExclude = p->eExclude;

      pNew->pStart = sqlite3ExprDup(db, p->pStart, 0);
      pNew->pEnd = sqlite3ExprDup(db, p->pEnd, 0);
      pNew->pOwner = pOwner;
    }
  }
  return pNew;
}
................................................................................

  /*
  ** For a compound SELECT statement, make sure p->pPrior->pNext==p for
  ** all elements in the list.  And make sure list length does not exceed
  ** SQLITE_LIMIT_COMPOUND_SELECT.
  */
  static void parserDoubleLinkSelect(Parse *pParse, Select *p){

    if( p->pPrior ){
      Select *pNext = 0, *pLoop;
      int mxSelect, cnt = 0;
      for(pLoop=p; pLoop; pNext=pLoop, pLoop=pLoop->pPrior, cnt++){
        pLoop->pNext = pNext;
        pLoop->selFlags |= SF_Compound;
      }
................................................................................
  ** that created the expression.
  */
  static Expr *tokenExpr(Parse *pParse, int op, Token t){
    Expr *p = sqlite3DbMallocRawNN(pParse->db, sizeof(Expr)+t.n+1);
    if( p ){
      /* memset(p, 0, sizeof(Expr)); */
      p->op = (u8)op;
      p->affinity = 0;
      p->flags = EP_Leaf;
      p->iAgg = -1;
      p->pLeft = p->pRight = 0;
      p->x.pList = 0;
      p->pAggInfo = 0;
      p->y.pTab = 0;
      p->op2 = 0;
................................................................................
**    YY_MAX_REDUCE      Maximum value for reduce actions
*/
#ifndef INTERFACE
# define INTERFACE 1
#endif
/************* Begin control #defines *****************************************/
#define YYCODETYPE unsigned short int
#define YYNOCODE 302
#define YYACTIONTYPE unsigned short int
#define YYWILDCARD 95
#define sqlite3ParserTOKENTYPE Token
typedef union {
  int yyinit;
  sqlite3ParserTOKENTYPE yy0;
  TriggerStep* yy11;
  IdList* yy76;
  ExprList* yy94;
  Upsert* yy95;
  int yy100;
  Expr* yy102;
  struct {int value; int mask;} yy199;

  u8 yy218;


  With* yy243;
  struct TrigEvent yy298;
  Window* yy379;
  struct FrameBound yy389;
  Select* yy391;

  SrcList* yy407;
  const char* yy528;
} YYMINORTYPE;
#ifndef YYSTACKDEPTH
#define YYSTACKDEPTH 100
#endif
#define sqlite3ParserARG_SDECL
#define sqlite3ParserARG_PDECL
#define sqlite3ParserARG_PARAM
................................................................................
#define sqlite3ParserARG_STORE
#define sqlite3ParserCTX_SDECL Parse *pParse;
#define sqlite3ParserCTX_PDECL ,Parse *pParse
#define sqlite3ParserCTX_PARAM ,pParse
#define sqlite3ParserCTX_FETCH Parse *pParse=yypParser->pParse;
#define sqlite3ParserCTX_STORE yypParser->pParse=pParse;
#define YYFALLBACK 1
#define YYNSTATE             540
#define YYNRULE              376
#define YYNTOKEN             176
#define YY_MAX_SHIFT         539
#define YY_MIN_SHIFTREDUCE   783
#define YY_MAX_SHIFTREDUCE   1158
#define YY_ERROR_ACTION      1159
#define YY_ACCEPT_ACTION     1160
#define YY_NO_ACTION         1161
#define YY_MIN_REDUCE        1162
#define YY_MAX_REDUCE        1537
/************* End control #defines *******************************************/
#define YY_NLOOKAHEAD ((int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])))

/* Define the yytestcase() macro to be a no-op if is not already defined
** otherwise.
**
** Applications can choose to define yytestcase() in the %include section
................................................................................
**  yy_shift_ofst[]    For each state, the offset into yy_action for
**                     shifting terminals.
**  yy_reduce_ofst[]   For each state, the offset into yy_action for
**                     shifting non-terminals after a reduce.
**  yy_default[]       Default action for each state.
**
*********** Begin parsing tables **********************************************/
#define YY_ACTTAB_COUNT (2142)
static const YYACTIONTYPE yy_action[] = {
 /*     0 */   112,  109,  209,  112,  109,  209, 1160,    1,    1,  539,
 /*    10 */     2, 1164,  490, 1193, 1293,  534,  289, 1196,  134,  383,
 /*    20 */  1485, 1428, 1164, 1229, 1208, 1242, 1195,  289,  491,  134,
 /*    30 */   373,  915, 1229,  443,   16,   16, 1242,   70,   70,  916,
 /*    40 */   242, 1292,  296,  119,  120,  110, 1136, 1136,  981,  984,
 /*    50 */   974,  974,  117,  117,  118,  118,  118,  118,  264,  264,
 /*    60 */   190,  264,  264,  264,  264,  112,  109,  209,  362,  264,
 /*    70 */   264,  531,  376,  497,  531, 1134,  531, 1501,  239,  206,
 /*    80 */   338,    9,  531,  242,  219, 1203,  118,  118,  118,  118,
 /*    90 */   111,  439,  112,  109,  209,  219,  116,  116,  116,  116,
 /*   100 */   115,  115,  114,  114,  114,  113,  414,  115,  115,  114,
 /*   110 */   114,  114,  113,  414,  418,   12,  383,  400, 1134,  114,
 /*   120 */   114,  114,  113,  414, 1115,  418, 1134, 1392,  116,  116,
 /*   130 */   116,  116,  115,  115,  114,  114,  114,  113,  414,  961,
 /*   140 */   119,  120,  110, 1136, 1136,  981,  984,  974,  974,  117,
 /*   150 */   117,  118,  118,  118,  118,  952,  534,  414,  941,  951,
 /*   160 */  1481,  539,    2, 1164, 1505,  534,  160,  175,  289, 1134,
 /*   170 */   134,  434,  312,  297, 1115, 1116, 1117, 1242,   70,   70,
 /*   180 */  1089,  338, 1089,  118,  118,  118,  118,   42,   42,  448,
 /*   190 */   951,  951,  953,  116,  116,  116,  116,  115,  115,  114,
 /*   200 */   114,  114,  113,  414, 1115,  311,  264,  264,   82,  441,
 /*   210 */   264,  264,  190,  383,  284,   12,  288,  525,  407,  531,
 /*   220 */    96,  159,  458,  531,  371,  116,  116,  116,  116,  115,
 /*   230 */   115,  114,  114,  114,  113,  414,  219,  119,  120,  110,
 /*   240 */  1136, 1136,  981,  984,  974,  974,  117,  117,  118,  118,
 /*   250 */   118,  118,  511, 1477, 1115, 1116, 1117,  113,  414,  534,
 /*   260 */   528,  528,  528,  121,  534, 1427,  418,  116,  116,  116,
 /*   270 */   116,  115,  115,  114,  114,  114,  113,  414, 1464,  351,
 /*   280 */   270,   42,   42,  383,  187, 1115,   70,   70,  533,  433,
 /*   290 */   116,  116,  116,  116,  115,  115,  114,  114,  114,  113,
 /*   300 */   414,  534, 1339,  405,  159,  411,  410,  119,  120,  110,
 /*   310 */  1136, 1136,  981,  984,  974,  974,  117,  117,  118,  118,
 /*   320 */   118,  118,  285,   42,   42,  349,  411,  410,  514,  479,
 /*   330 */  1458,   79, 1084,    6, 1140, 1115, 1116, 1117,  480, 1142,
 /*   340 */   501, 1115, 1084,  123,  238, 1084,  136, 1141, 1234, 1234,
 /*   350 */  1143,  383, 1143, 1115,  167,  426,   80,  447,  512, 1451,
 /*   360 */   116,  116,  116,  116,  115,  115,  114,  114,  114,  113,
 /*   370 */   414, 1143, 1466, 1143,  350,  119,  120,  110, 1136, 1136,
 /*   380 */   981,  984,  974,  974,  117,  117,  118,  118,  118,  118,
 /*   390 */   402, 1115, 1116, 1117,  500,  534,  250,  267,  336,  474,
 /*   400 */   331,  473,  236, 1115, 1116, 1117,  231, 1115,  329,  471,
 /*   410 */   468,  467,  509, 1458, 1464,  505,    6,   70,   70,  466,
 /*   420 */   181,  380,  379,  534,  971,  971,  982,  985,  116,  116,
 /*   430 */   116,  116,  115,  115,  114,  114,  114,  113,  414, 1115,
 /*   440 */   412,  412,  412,  496, 1115,   69,   69,  235,  383,  288,
 /*   450 */   525,  273,  326,  516,  337,  458, 1084, 1115, 1116, 1117,
 /*   460 */  1232, 1232,  492,  160,  508,  441, 1084, 1067, 1531, 1084,
 /*   470 */   207, 1531,  119,  120,  110, 1136, 1136,  981,  984,  974,
 /*   480 */   974,  117,  117,  118,  118,  118,  118,  881,  534, 1115,
 /*   490 */  1116, 1117,  975,  534, 1115, 1116, 1117,  534,  421,  534,
 /*   500 */   141,  534,  176,  356,  517, 1119,   32,  511,  482,  388,
 /*   510 */    70,   70,  818,  288,  525,   70,   70,  441,  499,   50,
 /*   520 */    50,   70,   70,   70,   70,  116,  116,  116,  116,  115,
 /*   530 */   115,  114,  114,  114,  113,  414,  274,  264,  264, 1115,
 /*   540 */  1065,  264,  264, 1115,  355,  383,  409,  961, 1439,  822,
 /*   550 */   531,  516,  190,  419,  531,  483, 1119,  516,  337,  516,
 /*   560 */   518, 1115,  818,  952,  382,  458,  515,  951,  481,  119,
 /*   570 */   120,  110, 1136, 1136,  981,  984,  974,  974,  117,  117,
 /*   580 */   118,  118,  118,  118, 1338,  278, 1045,  278,  275, 1115,
 /*   590 */  1116, 1117,  259, 1115, 1116, 1117,  534,    5,  951,  951,
 /*   600 */   953, 1046,  231,    3,  143,  471,  468,  467, 1391,  463,
 /*   610 */  1115, 1115, 1116, 1117, 1452,  466, 1047,  836,   70,   70,
 /*   620 */   480,  534,  116,  116,  116,  116,  115,  115,  114,  114,
 /*   630 */   114,  113,  414,   95, 1115,  287,  235,  856,  902,  420,
 /*   640 */  1115,  534,  383,   13,   13,  381,  815,  857,  472,  112,
 /*   650 */   109,  209, 1115,  337,  413,  309,  837,  394, 1436,  534,
 /*   660 */  1115, 1116, 1117,   54,   54,  291,  119,  120,  110, 1136,
 /*   670 */  1136,  981,  984,  974,  974,  117,  117,  118,  118,  118,
 /*   680 */   118,   13,   13, 1084, 1115, 1116, 1117,  901,  264,  264,
 /*   690 */  1115, 1116, 1117, 1084,  292,  399, 1084,  800,  388,  140,
 /*   700 */   295,  531, 1115, 1116, 1117,  403,  447,  532,  534,  870,
 /*   710 */   870,  534, 1240,  534,  329,  534, 1185,  389,  534,  116,
 /*   720 */   116,  116,  116,  115,  115,  114,  114,  114,  113,  414,
 /*   730 */    13,   13, 1024,   13,   13,   13,   13,   13,   13,  383,
 /*   740 */    13,   13,  424, 1100,  401,  264,  264,  277,  160,  184,
 /*   750 */  1182,  185, 1533,  369,  513,  484,  432,  487,  531,  424,
 /*   760 */   423, 1397,  941,  119,  120,  110, 1136, 1136,  981,  984,
 /*   770 */   974,  974,  117,  117,  118,  118,  118,  118, 1397, 1399,
 /*   780 */   425,  519,  392,  264,  264, 1029, 1029,  455,  264,  264,
 /*   790 */   264,  264, 1004,  304,  261, 1278,  531,  900,  288,  525,
 /*   800 */   310,  531,  493,  531, 1067, 1532,  458,  387, 1532,  311,
 /*   810 */   429,  299,  534,  107,  264,  264,  116,  116,  116,  116,
 /*   820 */   115,  115,  114,  114,  114,  113,  414,  531,  424, 1384,
 /*   830 */   507,  258,  258, 1246,   55,   55,  383, 1277,  265,  265,
 /*   840 */   962,  324,  434,  312,  531,  531,  506, 1397, 1026, 1241,
 /*   850 */   298,  531, 1026,  445,  301, 1095,  303,  534,  368, 1156,
 /*   860 */   119,  120,  110, 1136, 1136,  981,  984,  974,  974,  117,
 /*   870 */   117,  118,  118,  118,  118, 1045,  534, 1065,  534,   15,
 /*   880 */    15, 1084,  208, 1324,  453,  452,  534, 1324,  534,  449,
 /*   890 */  1046, 1084,  494,  458, 1084,  234,  233,  232,   44,   44,
 /*   900 */    56,   56,  319, 1095,  322, 1047,  534,  900,   57,   57,
 /*   910 */    58,   58,  534,  116,  116,  116,  116,  115,  115,  114,
 /*   920 */   114,  114,  113,  414,  534,  514,  522,  534,   59,   59,
 /*   930 */   302, 1157,  534,  383,   60,   60, 1237,  946,  788,  789,
 /*   940 */   790, 1459, 1456,  446,    6,    6,   61,   61, 1212,   45,
 /*   950 */    45,  534,  396,  383,   46,   46,  397,  119,  120,  110,
 /*   960 */  1136, 1136,  981,  984,  974,  974,  117,  117,  118,  118,
 /*   970 */   118,  118,  428,   48,   48,  534,  392,  119,  120,  110,
 /*   980 */  1136, 1136,  981,  984,  974,  974,  117,  117,  118,  118,
 /*   990 */   118,  118, 1324,  368, 1066,  447,  825,   49,   49,  534,
 /*  1000 */   458,  357,  534,  353,  534,  138,  534,  337, 1478,  478,
 /*  1010 */   116,  116,  116,  116,  115,  115,  114,  114,  114,  113,
 /*  1020 */   414,   62,   62,  392,   63,   63,   64,   64,   14,   14,
 /*  1030 */   116,  116,  116,  116,  115,  115,  114,  114,  114,  113,
 /*  1040 */   414,  534,  810,  317,  271,  534, 1457,  825,  534,    6,
 /*  1050 */   534, 1324,  534,  142,  534, 1442,  534,  212,  534, 1324,
 /*  1060 */   534,  398,  305,   65,   65,  534, 1157,  125,  125,  476,
 /*  1070 */    66,   66,   51,   51,   67,   67,   68,   68,   52,   52,
 /*  1080 */   147,  147,  148,  148,  534,   98,  534,   75,   75,  276,
 /*  1090 */   534,  272,  534,  810,  534,  876,  534,  527,  389,  534,
 /*  1100 */   875,  534, 1151,  202,  534,  383,   53,   53,   71,   71,
 /*  1110 */   288,  525,  126,  126,   72,   72,  127,  127,  128,  128,
 /*  1120 */   454,  124,  124,  146,  146,  383,  145,  145,  408,  119,
 /*  1130 */   120,  110, 1136, 1136,  981,  984,  974,  974,  117,  117,
 /*  1140 */   118,  118,  118,  118,  534,  900,  534,   95,  534,  119,
 /*  1150 */   120,  110, 1136, 1136,  981,  984,  974,  974,  117,  117,
 /*  1160 */   118,  118,  118,  118,  390,  161,  132,  132,  131,  131,
 /*  1170 */   129,  129,  534,  915,  534, 1455,  534, 1454,    6, 1416,
 /*  1180 */     6,  916,  116,  116,  116,  116,  115,  115,  114,  114,
 /*  1190 */   114,  113,  414, 1415,  130,  130,   74,   74,   76,   76,
 /*  1200 */   534,   30,  116,  116,  116,  116,  115,  115,  114,  114,
 /*  1210 */   114,  113,  414,  534,  263,  206,  534, 1133, 1504,   93,
 /*  1220 */   876,  845,   73,   73,  102,  875,  100,  139,   17,   38,
 /*  1230 */   208, 1062,   31,  450,  370,   43,   43,  101,   47,   47,
 /*  1240 */   827,  216,  436,  308,  943,  440,   95,  241,  241,  442,
 /*  1250 */   313,  464,  241,   95,  237,  900,  327,  383,  266,   95,
 /*  1260 */   835,  834,  193,  335,  938,  314, 1011,  435,  842,  843,
 /*  1270 */   955, 1007,  909,  334,  237,  241,  873,  383, 1023,  107,
 /*  1280 */  1023,  119,  120,  110, 1136, 1136,  981,  984,  974,  974,
 /*  1290 */   117,  117,  118,  118,  118,  118, 1022,  808, 1022, 1274,
 /*  1300 */   137,  119,  108,  110, 1136, 1136,  981,  984,  974,  974,
 /*  1310 */   117,  117,  118,  118,  118,  118,  874, 1011,  318,  107,
 /*  1320 */   321,  955,  323,  325, 1225, 1211,  197, 1210, 1209,  330,
 /*  1330 */   339, 1265,  340,  283,  116,  116,  116,  116,  115,  115,
 /*  1340 */   114,  114,  114,  113,  414, 1286, 1323, 1261, 1471, 1272,
 /*  1350 */   520,  218,  521, 1329,  116,  116,  116,  116,  115,  115,
 /*  1360 */   114,  114,  114,  113,  414, 1192, 1184, 1173, 1172, 1174,
 /*  1370 */  1494, 1488,  459,  256,  383, 1258,  342,  199,  367,  344,
 /*  1380 */   211,  195,  307,  444,   11,  346,  469,  333, 1308, 1316,
 /*  1390 */   375,  427,  203,  360,  383, 1388,  188, 1387,  189,  120,
 /*  1400 */   110, 1136, 1136,  981,  984,  974,  974,  117,  117,  118,
 /*  1410 */   118,  118,  118, 1208, 1151,  300,  348, 1491,  245, 1148,
 /*  1420 */   110, 1136, 1136,  981,  984,  974,  974,  117,  117,  118,
 /*  1430 */   118,  118,  118,  198, 1435, 1433,  524,   78,  391,  163,
 /*  1440 */    82, 1393,  438,  173,   81,  105,  526, 1313,    4,   35,
 /*  1450 */   157,  116,  116,  116,  116,  115,  115,  114,  114,  114,
 /*  1460 */   113,  414,  529,  165,   93,  430, 1305,  168,  169,  431,
 /*  1470 */   462,  116,  116,  116,  116,  115,  115,  114,  114,  114,
 /*  1480 */   113,  414,  170,  171,  221,  415,  372,  437, 1319,  177,
 /*  1490 */   374,   36,  451,  225, 1382,   87,  457,  523,  257, 1404,
 /*  1500 */   316,  105,  526,  227,    4,  182,  460,  160,  320,  228,
 /*  1510 */   377, 1175,  475,  229, 1228,  404, 1227, 1226,  529,  827,
 /*  1520 */   961, 1219,  378, 1200, 1199,  406,  103,  103, 1218,  332,
 /*  1530 */     8,  281, 1198,  104, 1503,  415,  536,  535,  486,  282,
 /*  1540 */   951,  415,  489,  495,   92,  244, 1269,  341,  243,  122,
 /*  1550 */  1270,  343,  514,  523, 1268, 1462,   10,  288,  525,  345,
 /*  1560 */  1461,  354,   99,  352,  503,   94, 1267,  347, 1251,  502,
 /*  1570 */   498,  951,  951,  953,  954,   27,  961, 1250,  194,  358,
 /*  1580 */   251,  359,  103,  103, 1181,   34,  537, 1110,  252,  104,
 /*  1590 */   254,  415,  536,  535,  255, 1368,  951, 1420,  286,  538,
 /*  1600 */  1170, 1165, 1421,  135, 1419, 1418,  149,  150,  279,  784,
 /*  1610 */   416,  196,  151,  290,  210,  200,   77,  385,  269,  386,
 /*  1620 */   133,  162,  935, 1021,  201, 1019,  153,  951,  951,  953,
 /*  1630 */   954,   27, 1480, 1104,  417,  164,  217,  268,  859,  166,
 /*  1640 */   306, 1035,  366,  366,  365,  253,  363,  220,  172,  797,
 /*  1650 */   939,  155,  105,  526,  393,    4,  395,  174,  156,   83,
 /*  1660 */  1038,   84,  213,   85,  294,  222,   86,  223, 1034,  529,
 /*  1670 */   144,   18,  293,  224,  315,  456,  241, 1027, 1145,  178,
 /*  1680 */   226,  179,   37,  799,  334,  461,  230,  465,  470,  838,
 /*  1690 */   180,   88,  415,   19,  280,  328,   20,   89,   90,  158,
 /*  1700 */   191,  477,  215, 1097,  523,  204,  192,  987,   91, 1070,
 /*  1710 */   152,   39,  485,  154, 1071,  503,   40,  488,  205,  260,
 /*  1720 */   504,  262,  105,  526,  214,    4,  908,  961,  183,  240,
 /*  1730 */   903,  107, 1086,  103,  103,   21,   22, 1088,   23,  529,
 /*  1740 */   104,   24,  415,  536,  535, 1090, 1093,  951, 1094,   25,
 /*  1750 */  1074,   33,    7,   26,  510, 1002,  247,  186,  384,   95,
 /*  1760 */   988,  986,  415,  288,  525,  990, 1044,  246, 1043,  991,
 /*  1770 */    28,   41,  530,  956,  523,  809,  106,   29,  951,  951,
 /*  1780 */   953,  954,   27,  869,  361,  503,  422,  248,  364, 1105,
 /*  1790 */   502,  249, 1161, 1496, 1495, 1161, 1161,  961, 1161, 1161,
 /*  1800 */  1161, 1161, 1161,  103,  103, 1161, 1161, 1161, 1161, 1161,
 /*  1810 */   104, 1161,  415,  536,  535, 1104,  417,  951, 1161,  268,
 /*  1820 */  1161, 1161, 1161, 1161,  366,  366,  365,  253,  363, 1161,
 /*  1830 */  1161,  797, 1161, 1161, 1161, 1161,  105,  526, 1161,    4,
 /*  1840 */  1161, 1161, 1161, 1161,  213, 1161,  294, 1161,  951,  951,
 /*  1850 */   953,  954,   27,  529,  293, 1161, 1161, 1161, 1161, 1161,
 /*  1860 */  1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161,
 /*  1870 */  1161, 1161, 1161, 1161, 1161, 1161,  415, 1161, 1161, 1161,
 /*  1880 */  1161, 1161, 1161, 1161,  215, 1161, 1161, 1161,  523, 1161,
 /*  1890 */  1161, 1161,  152, 1161, 1161,  154,  105,  526, 1161,    4,
 /*  1900 */  1161, 1161, 1161, 1161, 1161, 1161,  214, 1161, 1161, 1161,
 /*  1910 */  1161,  961, 1161,  529, 1161, 1161, 1161,  103,  103,  880,
 /*  1920 */  1161, 1161, 1161, 1161,  104, 1161,  415,  536,  535, 1161,
 /*  1930 */  1161,  951, 1161, 1161, 1161, 1161,  415, 1161, 1161, 1161,
 /*  1940 */   384, 1161, 1161, 1161, 1161,  288,  525, 1161,  523, 1161,
 /*  1950 */  1161, 1161, 1161, 1161, 1161, 1161,   97,  526, 1161,    4,
 /*  1960 */  1161, 1161,  951,  951,  953,  954,   27, 1161,  422, 1161,
 /*  1970 */  1161,  961, 1161,  529, 1161, 1161, 1161,  103,  103, 1161,
 /*  1980 */  1161, 1161, 1161, 1161,  104, 1161,  415,  536,  535, 1161,
 /*  1990 */  1161,  951,  268, 1161, 1161, 1161,  415,  366,  366,  365,
 /*  2000 */   253,  363, 1161, 1161,  797, 1161, 1161, 1161,  523, 1161,
 /*  2010 */  1161, 1161, 1161, 1161, 1161, 1161, 1161,  213, 1161,  294,
 /*  2020 */  1161, 1161,  951,  951,  953,  954,   27,  293, 1161, 1161,
 /*  2030 */  1161,  961, 1161, 1161, 1161, 1161, 1161,  103,  103, 1161,
 /*  2040 */  1161, 1161, 1161, 1161,  104, 1161,  415,  536,  535, 1161,
 /*  2050 */  1161,  951, 1161, 1161, 1161, 1161, 1161,  215, 1161, 1161,
 /*  2060 */  1161, 1161, 1161, 1161, 1161,  152, 1161, 1161,  154, 1161,
 /*  2070 */  1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161,  214,
 /*  2080 */  1161, 1161,  951,  951,  953,  954,   27, 1161, 1161, 1161,
 /*  2090 */  1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161,
 /*  2100 */  1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161,
 /*  2110 */  1161, 1161, 1161,  384, 1161, 1161, 1161, 1161,  288,  525,
 /*  2120 */  1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161,
 /*  2130 */  1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161, 1161,
 /*  2140 */  1161,  422,
};
static const YYCODETYPE yy_lookahead[] = {
 /*     0 */   260,  261,  262,  260,  261,  262,  176,  177,  178,  179,
 /*    10 */   180,  181,  184,  206,  209,  184,  186,  206,  188,   19,
 /*    20 */   179,  281,  181,  213,  214,  195,  206,  186,  195,  188,
 /*    30 */   195,   31,  222,  184,  206,  207,  195,  206,  207,   39,
 /*    40 */    24,  209,  184,   43,   44,   45,   46,   47,   48,   49,
 /*    50 */    50,   51,   52,   53,   54,   55,   56,   57,  228,  229,
 /*    60 */   184,  228,  229,  228,  229,  260,  261,  262,  192,  228,
 /*    70 */   229,  241,  196,  242,  241,   59,  241,  205,  245,  246,
 /*    80 */   184,   22,  241,   24,  254,  213,   54,   55,   56,   57,
 /*    90 */    58,  256,  260,  261,  262,  254,   96,   97,   98,   99,
 /*   100 */   100,  101,  102,  103,  104,  105,  106,  100,  101,  102,
 /*   110 */   103,  104,  105,  106,  284,  203,   19,  221,   59,  102,
 /*   120 */   103,  104,  105,  106,   59,  284,  110,  269,   96,   97,
 /*   130 */    98,   99,  100,  101,  102,  103,  104,  105,  106,   94,
 /*   140 */    43,   44,   45,   46,   47,   48,   49,   50,   51,   52,
 /*   150 */    53,   54,   55,   56,   57,  110,  184,  106,   73,  114,
 /*   160 */   178,  179,  180,  181,  219,  184,   81,   22,  186,  110,
 /*   170 */   188,  121,  122,  195,  109,  110,  111,  195,  206,  207,
 /*   180 */    83,  184,   85,   54,   55,   56,   57,  206,  207,  277,
 /*   190 */   145,  146,  147,   96,   97,   98,   99,  100,  101,  102,
 /*   200 */   103,  104,  105,  106,   59,  120,  228,  229,  143,  184,
 /*   210 */   228,  229,  184,   19,  242,  203,  131,  132,  221,  241,
 /*   220 */    26,  184,  184,  241,  196,   96,   97,   98,   99,  100,
 /*   230 */   101,  102,  103,  104,  105,  106,  254,   43,   44,   45,
 /*   240 */    46,   47,   48,   49,   50,   51,   52,   53,   54,   55,
 /*   250 */    56,   57,  184,  184,  109,  110,  111,  105,  106,  184,
 /*   260 */   200,  201,  202,   69,  184,  227,  284,   96,   97,   98,
 /*   270 */    99,  100,  101,  102,  103,  104,  105,  106,  297,  298,
 /*   280 */   255,  206,  207,   19,  272,   59,  206,  207,  184,  277,
 /*   290 */    96,   97,   98,   99,  100,  101,  102,  103,  104,  105,
 /*   300 */   106,  184,  259,   19,  184,  100,  101,   43,   44,   45,
 /*   310 */    46,   47,   48,   49,   50,   51,   52,   53,   54,   55,
 /*   320 */    56,   57,  242,  206,  207,  184,  100,  101,  138,  292,
 /*   330 */   293,   67,   76,  296,  108,  109,  110,  111,  295,  113,
 /*   340 */    84,   59,   86,   22,   26,   89,  156,  121,  224,  225,
 /*   350 */   145,   19,  147,   59,   72,  256,   24,  184,  290,  291,
 /*   360 */    96,   97,   98,   99,  100,  101,  102,  103,  104,  105,
 /*   370 */   106,  145,  297,  147,  299,   43,   44,   45,   46,   47,
 /*   380 */    48,   49,   50,   51,   52,   53,   54,   55,   56,   57,
 /*   390 */   106,  109,  110,  111,  138,  184,  112,  113,  114,  115,
 /*   400 */   116,  117,  118,  109,  110,  111,  112,   59,  124,  115,
 /*   410 */   116,  117,  292,  293,  297,  298,  296,  206,  207,  125,
 /*   420 */    72,  100,  101,  184,   46,   47,   48,   49,   96,   97,
 /*   430 */    98,   99,  100,  101,  102,  103,  104,  105,  106,   59,
 /*   440 */   200,  201,  202,  184,   59,  206,  207,   46,   19,  131,
 /*   450 */   132,  278,   23,  242,  184,  184,   76,  109,  110,  111,
 /*   460 */   224,  225,  251,   81,   84,  184,   86,   22,   23,   89,
 /*   470 */   184,   26,   43,   44,   45,   46,   47,   48,   49,   50,
 /*   480 */    51,   52,   53,   54,   55,   56,   57,  102,  184,  109,
 /*   490 */   110,  111,  114,  184,  109,  110,  111,  184,  227,  184,
 /*   500 */   230,  184,   22,  264,  195,   59,   22,  184,  195,  108,
 /*   510 */   206,  207,   59,  131,  132,  206,  207,  184,  138,  206,
 /*   520 */   207,  206,  207,  206,  207,   96,   97,   98,   99,  100,
 /*   530 */   101,  102,  103,  104,  105,  106,  255,  228,  229,   59,
 /*   540 */    95,  228,  229,   59,  184,   19,  242,   94,  184,   23,
 /*   550 */   241,  242,  184,  282,  241,  242,  110,  242,  184,  242,
 /*   560 */   251,   59,  109,  110,  196,  184,  251,  114,  251,   43,
 /*   570 */    44,   45,   46,   47,   48,   49,   50,   51,   52,   53,
 /*   580 */    54,   55,   56,   57,  259,  217,   12,  219,  255,  109,
 /*   590 */   110,  111,  203,  109,  110,  111,  184,   22,  145,  146,
 /*   600 */   147,   27,  112,   22,  230,  115,  116,  117,  227,   19,
 /*   610 */    59,  109,  110,  111,  291,  125,   42,   35,  206,  207,
 /*   620 */   295,  184,   96,   97,   98,   99,  100,  101,  102,  103,
 /*   630 */   104,  105,  106,   26,   59,  233,   46,   63,  136,  184,
 /*   640 */    59,  184,   19,  206,  207,  243,   23,   73,   66,  260,
 /*   650 */   261,  262,   59,  184,  242,  195,   74,  220,  184,  184,
 /*   660 */   109,  110,  111,  206,  207,  184,   43,   44,   45,   46,
 /*   670 */    47,   48,   49,   50,   51,   52,   53,   54,   55,   56,
 /*   680 */    57,  206,  207,   76,  109,  110,  111,  136,  228,  229,
 /*   690 */   109,  110,  111,   86,  184,  220,   89,   21,  108,  230,
 /*   700 */   184,  241,  109,  110,  111,  123,  184,  127,  184,  129,
 /*   710 */   130,  184,  195,  184,  124,  184,  198,  199,  184,   96,
 /*   720 */    97,   98,   99,  100,  101,  102,  103,  104,  105,  106,
 /*   730 */   206,  207,   11,  206,  207,  206,  207,  206,  207,   19,
 /*   740 */   206,  207,  184,   23,  220,  228,  229,  220,   81,  220,
 /*   750 */   195,  220,  287,  288,  220,  195,   80,  195,  241,  201,
 /*   760 */   202,  184,   73,   43,   44,   45,   46,   47,   48,   49,
 /*   770 */    50,   51,   52,   53,   54,   55,   56,   57,  201,  202,
 /*   780 */   113,  195,  184,  228,  229,  120,  121,  122,  228,  229,
 /*   790 */   228,  229,  116,   16,   23,  184,  241,   26,  131,  132,
 /*   800 */   278,  241,   19,  241,   22,   23,  184,  189,   26,  120,
 /*   810 */   121,  122,  184,   26,  228,  229,   96,   97,   98,   99,
 /*   820 */   100,  101,  102,  103,  104,  105,  106,  241,  270,  153,
 /*   830 */    66,  228,  229,  229,  206,  207,   19,  184,  228,  229,
 /*   840 */    23,   16,  121,  122,  241,  241,   82,  270,   29,  227,
 /*   850 */   252,  241,   33,   19,   77,   91,   79,  184,   22,   23,
 /*   860 */    43,   44,   45,   46,   47,   48,   49,   50,   51,   52,
 /*   870 */    53,   54,   55,   56,   57,   12,  184,   95,  184,  206,
 /*   880 */   207,   76,  111,  184,   65,  267,  184,  184,  184,  271,
 /*   890 */    27,   86,  109,  184,   89,  120,  121,  122,  206,  207,
 /*   900 */   206,  207,   77,  139,   79,   42,  184,  136,  206,  207,
 /*   910 */   206,  207,  184,   96,   97,   98,   99,  100,  101,  102,
 /*   920 */   103,  104,  105,  106,  184,  138,   63,  184,  206,  207,
 /*   930 */   153,   95,  184,   19,  206,  207,  227,   23,    7,    8,
 /*   940 */     9,  293,  293,  109,  296,  296,  206,  207,  215,  206,
 /*   950 */   207,  184,  253,   19,  206,  207,  253,   43,   44,   45,
 /*   960 */    46,   47,   48,   49,   50,   51,   52,   53,   54,   55,
 /*   970 */    56,   57,  184,  206,  207,  184,  184,   43,   44,   45,
 /*   980 */    46,   47,   48,   49,   50,   51,   52,   53,   54,   55,
 /*   990 */    56,   57,  184,   22,   23,  184,   59,  206,  207,  184,
 /*  1000 */   184,  238,  184,  240,  184,   22,  184,  184,  157,  158,
 /*  1010 */    96,   97,   98,   99,  100,  101,  102,  103,  104,  105,
 /*  1020 */   106,  206,  207,  184,  206,  207,  206,  207,  206,  207,
 /*  1030 */    96,   97,   98,   99,  100,  101,  102,  103,  104,  105,
 /*  1040 */   106,  184,   59,  227,  252,  184,  293,  110,  184,  296,
 /*  1050 */   184,  184,  184,  230,  184,  184,  184,   15,  184,  184,
 /*  1060 */   184,  253,  184,  206,  207,  184,   95,  206,  207,  102,
 /*  1070 */   206,  207,  206,  207,  206,  207,  206,  207,  206,  207,
 /*  1080 */   206,  207,  206,  207,  184,  151,  184,  206,  207,  278,
 /*  1090 */   184,  252,  184,  110,  184,  128,  184,  198,  199,  184,
 /*  1100 */   133,  184,   60,   26,  184,   19,  206,  207,  206,  207,
 /*  1110 */   131,  132,  206,  207,  206,  207,  206,  207,  206,  207,
 /*  1120 */   253,  206,  207,  206,  207,   19,  206,  207,  253,   43,
 /*  1130 */    44,   45,   46,   47,   48,   49,   50,   51,   52,   53,
 /*  1140 */    54,   55,   56,   57,  184,   26,  184,   26,  184,   43,
 /*  1150 */    44,   45,   46,   47,   48,   49,   50,   51,   52,   53,
 /*  1160 */    54,   55,   56,   57,  285,  286,  206,  207,  206,  207,
 /*  1170 */   206,  207,  184,   31,  184,  293,  184,  293,  296,  184,
 /*  1180 */   296,   39,   96,   97,   98,   99,  100,  101,  102,  103,
 /*  1190 */   104,  105,  106,  184,  206,  207,  206,  207,  206,  207,
 /*  1200 */   184,   22,   96,   97,   98,   99,  100,  101,  102,  103,
 /*  1210 */   104,  105,  106,  184,  245,  246,  184,   26,   23,  142,
 /*  1220 */   128,   26,  206,  207,  150,  133,  152,   22,   22,   24,
 /*  1230 */   111,   23,   53,  184,   26,  206,  207,  151,  206,  207,
 /*  1240 */   119,   24,  122,   23,   23,   23,   26,   26,   26,   23,
 /*  1250 */    23,   23,   26,   26,   26,  136,   23,   19,   22,   26,
 /*  1260 */   113,  114,   24,  114,  144,  184,   59,   61,    7,    8,
 /*  1270 */    59,   23,   23,  124,   26,   26,   23,   19,  145,   26,
 /*  1280 */   147,   43,   44,   45,   46,   47,   48,   49,   50,   51,
 /*  1290 */    52,   53,   54,   55,   56,   57,  145,   23,  147,  184,
 /*  1300 */    26,   43,   44,   45,   46,   47,   48,   49,   50,   51,
 /*  1310 */    52,   53,   54,   55,   56,   57,   23,  110,  184,   26,
 /*  1320 */   184,  110,  184,  184,  184,  215,  135,  215,  184,  184,
 /*  1330 */   184,  247,  184,  244,   96,   97,   98,   99,  100,  101,
 /*  1340 */   102,  103,  104,  105,  106,  184,  184,  184,  301,  184,
 /*  1350 */   184,  134,  225,  184,   96,   97,   98,   99,  100,  101,
 /*  1360 */   102,  103,  104,  105,  106,  184,  184,  184,  184,  184,
 /*  1370 */   134,  184,  274,  273,   19,  244,  244,  204,  182,  244,
 /*  1380 */   283,  231,  279,  279,  232,  244,  210,  209,  235,  235,
 /*  1390 */   235,  248,  218,  234,   19,  209,  238,  209,  238,   44,
 /*  1400 */    45,   46,   47,   48,   49,   50,   51,   52,   53,   54,
 /*  1410 */    55,   56,   57,  214,   60,  248,  248,  187,  134,   38,
 /*  1420 */    45,   46,   47,   48,   49,   50,   51,   52,   53,   54,
 /*  1430 */    55,   56,   57,  232,  191,  191,  266,  280,  191,  283,
 /*  1440 */   143,  269,  108,   22,  280,   19,   20,  258,   22,  257,
 /*  1450 */    43,   96,   97,   98,   99,  100,  101,  102,  103,  104,
 /*  1460 */   105,  106,   36,  223,  142,   18,  235,  226,  226,  191,
 /*  1470 */    18,   96,   97,   98,   99,  100,  101,  102,  103,  104,
 /*  1480 */   105,  106,  226,  226,  190,   59,  235,  235,  223,  223,
 /*  1490 */   258,  257,  191,  190,  235,  150,   62,   71,  191,  276,
 /*  1500 */   275,   19,   20,  190,   22,   22,  211,   81,  191,  190,
 /*  1510 */   211,  191,  108,  190,  208,   64,  208,  208,   36,  119,
 /*  1520 */    94,  216,  211,  208,  210,  106,  100,  101,  216,  208,
 /*  1530 */    48,  268,  208,  107,  208,  109,  110,  111,  211,  268,
 /*  1540 */   114,   59,  211,  137,  108,   88,  250,  249,  191,  141,
 /*  1550 */   250,  249,  138,   71,  250,  300,   22,  131,  132,  249,
 /*  1560 */   300,  191,  150,  238,   82,  140,  250,  249,  239,   87,
 /*  1570 */   139,  145,  146,  147,  148,  149,   94,  239,  237,  236,
 /*  1580 */    25,  235,  100,  101,  194,   26,  193,   13,  185,  107,
 /*  1590 */   185,  109,  110,  111,    6,  263,  114,  203,  265,  183,
 /*  1600 */   183,  183,  203,  212,  203,  203,  197,  197,  212,    4,
 /*  1610 */     3,   22,  197,  155,   15,  204,  203,  289,   93,  289,
 /*  1620 */    16,  286,  132,   23,  204,   23,  123,  145,  146,  147,
 /*  1630 */   148,  149,    0,    1,    2,  143,   24,    5,   20,  135,
 /*  1640 */    16,    1,   10,   11,   12,   13,   14,  137,  135,   17,
 /*  1650 */   144,  123,   19,   20,   61,   22,   37,  143,  123,   53,
 /*  1660 */   109,   53,   30,   53,   32,   34,   53,  134,    1,   36,
 /*  1670 */     5,   22,   40,  108,  153,   41,   26,   68,   75,   68,
 /*  1680 */   134,  108,   24,   20,  124,   19,  118,   67,   67,   28,
 /*  1690 */    22,   22,   59,   22,   67,   23,   22,   22,  142,   37,
 /*  1700 */    23,   22,   70,   23,   71,  157,   23,   23,   26,   23,
 /*  1710 */    78,   22,   24,   81,   23,   82,   22,   24,  134,   23,
 /*  1720 */    87,   23,   19,   20,   92,   22,  109,   94,   22,   34,
 /*  1730 */   136,   26,   85,  100,  101,   34,   34,   83,   34,   36,
 /*  1740 */   107,   34,  109,  110,  111,   75,   90,  114,   75,   34,
 /*  1750 */    23,   22,   44,   34,   24,   23,   22,   26,  126,   26,
 /*  1760 */    23,   23,   59,  131,  132,   23,   23,   26,   23,   11,
 /*  1770 */    22,   22,   26,   23,   71,   23,   22,   22,  145,  146,
 /*  1780 */   147,  148,  149,  128,   23,   82,  154,  134,   15,    1,
 /*  1790 */    87,  134,  302,  134,  134,  302,  302,   94,  302,  302,
 /*  1800 */   302,  302,  302,  100,  101,  302,  302,  302,  302,  302,
 /*  1810 */   107,  302,  109,  110,  111,    1,    2,  114,  302,    5,
 /*  1820 */   302,  302,  302,  302,   10,   11,   12,   13,   14,  302,
 /*  1830 */   302,   17,  302,  302,  302,  302,   19,   20,  302,   22,
 /*  1840 */   302,  302,  302,  302,   30,  302,   32,  302,  145,  146,
 /*  1850 */   147,  148,  149,   36,   40,  302,  302,  302,  302,  302,
 /*  1860 */   302,  302,  302,  302,  302,  302,  302,  302,  302,  302,
 /*  1870 */   302,  302,  302,  302,  302,  302,   59,  302,  302,  302,
 /*  1880 */   302,  302,  302,  302,   70,  302,  302,  302,   71,  302,
 /*  1890 */   302,  302,   78,  302,  302,   81,   19,   20,  302,   22,
 /*  1900 */   302,  302,  302,  302,  302,  302,   92,  302,  302,  302,
 /*  1910 */   302,   94,  302,   36,  302,  302,  302,  100,  101,  102,
 /*  1920 */   302,  302,  302,  302,  107,  302,  109,  110,  111,  302,
 /*  1930 */   302,  114,  302,  302,  302,  302,   59,  302,  302,  302,
 /*  1940 */   126,  302,  302,  302,  302,  131,  132,  302,   71,  302,
 /*  1950 */   302,  302,  302,  302,  302,  302,   19,   20,  302,   22,
 /*  1960 */   302,  302,  145,  146,  147,  148,  149,  302,  154,  302,
 /*  1970 */   302,   94,  302,   36,  302,  302,  302,  100,  101,  302,
 /*  1980 */   302,  302,  302,  302,  107,  302,  109,  110,  111,  302,
 /*  1990 */   302,  114,    5,  302,  302,  302,   59,   10,   11,   12,
 /*  2000 */    13,   14,  302,  302,   17,  302,  302,  302,   71,  302,
 /*  2010 */   302,  302,  302,  302,  302,  302,  302,   30,  302,   32,
 /*  2020 */   302,  302,  145,  146,  147,  148,  149,   40,  302,  302,
 /*  2030 */   302,   94,  302,  302,  302,  302,  302,  100,  101,  302,
 /*  2040 */   302,  302,  302,  302,  107,  302,  109,  110,  111,  302,
 /*  2050 */   302,  114,  302,  302,  302,  302,  302,   70,  302,  302,
 /*  2060 */   302,  302,  302,  302,  302,   78,  302,  302,   81,  302,
 /*  2070 */   302,  302,  302,  302,  302,  302,  302,  302,  302,   92,
 /*  2080 */   302,  302,  145,  146,  147,  148,  149,  302,  302,  302,
 /*  2090 */   302,  302,  302,  302,  302,  302,  302,  302,  302,  302,
 /*  2100 */   302,  302,  302,  302,  302,  302,  302,  302,  302,  302,
 /*  2110 */   302,  302,  302,  126,  302,  302,  302,  302,  131,  132,
 /*  2120 */   302,  302,  302,  302,  302,  302,  302,  302,  302,  302,
 /*  2130 */   302,  302,  302,  302,  302,  302,  302,  302,  302,  302,
 /*  2140 */   302,  154,  302,  302,  302,  302,  302,  302,  302,  302,
 /*  2150 */   302,  302,  302,  302,  302,  302,  302,  302,  302,  302,
 /*  2160 */   302,  302,  302,  302,  302,  302,  302,  302,  302,
};
#define YY_SHIFT_COUNT    (539)
#define YY_SHIFT_MIN      (0)
#define YY_SHIFT_MAX      (1987)
static const unsigned short int yy_shift_ofst[] = {
 /*     0 */  1814, 1632, 1987, 1426, 1426,  382, 1482, 1633, 1703, 1877,
 /*    10 */  1877, 1877,   85,    0,    0,  264, 1106, 1877, 1877, 1877,
 /*    20 */  1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877,
 /*    30 */   226,  226,  380,  380,  294,  667,  382,  382,  382,  382,
 /*    40 */   382,  382,   97,  194,  332,  429,  526,  623,  720,  817,
 /*    50 */   914,  934, 1086, 1238, 1106, 1106, 1106, 1106, 1106, 1106,
 /*    60 */  1106, 1106, 1106, 1106, 1106, 1106, 1106, 1106, 1106, 1106,
 /*    70 */  1106, 1106, 1258, 1106, 1355, 1375, 1375, 1817, 1877, 1877,
 /*    80 */  1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877,
 /*    90 */  1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877,
 /*   100 */  1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877,
 /*   110 */  1937, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877, 1877,
 /*   120 */  1877, 1877, 1877, 1877,   32,  129,  129,  129,  129,  129,
 /*   130 */   171,    7,   17,  593,  676,  590,  593,  205,  205,  593,
 /*   140 */   318,  318,  318,  318,   50,  152,   51, 2142, 2142,  284,
 /*   150 */   284,  284,   65,  145,  282,  145,  145,  574,  574,  256,
 /*   160 */   348,  445,  782,  593,  593,  593,  593,  593,  593,  593,
 /*   170 */   593,  593,  593,  593,  593,  593,  593,  593,  593,  593,
 /*   180 */   593,  593,  593,  593,  607,  607,  593,  721,  805,  805,
 /*   190 */   446,  851,  851,  446,  190,  979, 2142, 2142, 2142,  453,
 /*   200 */    45,   45,  480,  490,  484,  385,  575,  502,  551,  581,
 /*   210 */   593,  593,  593,  593,  593,  593,  593,  593,  593,  689,
 /*   220 */   593,  593,  593,  593,  593,  593,  593,  593,  593,  593,
 /*   230 */   593,  593,  582,  582,  582,  593,  593,  593,  593,  771,
 /*   240 */   593,  593,  593,   59,  764,  593,  593,  863,  593,  593,
 /*   250 */   593,  593,  593,  593,  593,  593,  665,  819,  580,   16,
 /*   260 */    16,   16,   16, 1119,  580,  580,  967,  321,  931, 1042,
 /*   270 */  1077,  783,  783,  834, 1077, 1077,  834, 1121, 1195,  401,
 /*   280 */  1142, 1142, 1142,  783,  787,  787, 1074, 1191, 1092, 1205,
 /*   290 */  1354, 1284, 1284, 1381, 1381, 1284, 1297, 1334, 1421, 1407,
 /*   300 */  1322, 1447, 1447, 1447, 1447, 1284, 1452, 1322, 1322, 1334,
 /*   310 */  1421, 1407, 1407, 1322, 1284, 1452, 1345, 1434, 1284, 1452,
 /*   320 */  1483, 1284, 1452, 1284, 1452, 1483, 1404, 1404, 1404, 1451,
 /*   330 */  1483, 1404, 1400, 1404, 1451, 1404, 1404, 1483, 1419, 1419,
 /*   340 */  1483, 1406, 1436, 1406, 1436, 1406, 1436, 1406, 1436, 1284,
 /*   350 */  1457, 1457, 1408, 1414, 1534, 1284, 1412, 1408, 1425, 1431,
 /*   360 */  1322, 1555, 1559, 1574, 1574, 1588, 1588, 1588, 2142, 2142,
 /*   370 */  2142, 2142, 2142, 2142, 2142, 2142, 2142, 2142, 2142, 2142,
 /*   380 */  2142, 2142, 2142,  378,  777,  836,  971,  825,  775,  983,
 /*   390 */  1208, 1179, 1217, 1120, 1220, 1206, 1221, 1222, 1226, 1227,
 /*   400 */  1228, 1233,  937, 1147, 1261, 1149, 1207, 1248, 1249, 1253,
 /*   410 */  1133, 1151, 1274, 1293, 1211, 1236, 1605, 1607, 1589, 1458,
 /*   420 */  1599, 1525, 1604, 1600, 1602, 1490, 1492, 1503, 1612, 1504,
 /*   430 */  1618, 1510, 1624, 1640, 1513, 1506, 1528, 1593, 1619, 1514,
 /*   440 */  1606, 1608, 1610, 1613, 1535, 1551, 1631, 1533, 1667, 1665,
 /*   450 */  1649, 1565, 1521, 1609, 1650, 1611, 1603, 1634, 1546, 1573,
 /*   460 */  1658, 1663, 1666, 1560, 1568, 1668, 1620, 1669, 1671, 1672,
 /*   470 */  1674, 1621, 1661, 1675, 1627, 1662, 1677, 1556, 1679, 1680,
 /*   480 */  1548, 1683, 1684, 1682, 1686, 1689, 1688, 1691, 1694, 1693,
 /*   490 */  1584, 1696, 1698, 1617, 1695, 1706, 1594, 1705, 1701, 1702,
 /*   500 */  1704, 1707, 1647, 1670, 1654, 1708, 1673, 1656, 1715, 1727,
 /*   510 */  1729, 1730, 1731, 1733, 1719, 1732, 1705, 1737, 1738, 1742,
 /*   520 */  1743, 1741, 1745, 1734, 1758, 1748, 1749, 1750, 1752, 1754,
 /*   530 */  1755, 1746, 1655, 1653, 1657, 1659, 1660, 1761, 1773, 1788,
};
#define YY_REDUCE_COUNT (382)
#define YY_REDUCE_MIN   (-260)
#define YY_REDUCE_MAX   (1420)
static const short yy_reduce_ofst[] = {
 /*     0 */  -170,  -18, -159,  309,  313, -167,  -19,   75,  117,  211,
 /*    10 */   315,  317, -165, -195, -168, -260,  389,  437,  475,  524,
 /*    20 */   527, -169,  529,  531,  -28,   80,  534,  239,  304,  412,
 /*    30 */   558,  577,   37,  120,  368,  -22,  460,  517,  555,  560,
 /*    40 */   562,  586, -257, -257, -257, -257, -257, -257, -257, -257,
 /*    50 */  -257, -257, -257, -257, -257, -257, -257, -257, -257, -257,
 /*    60 */  -257, -257, -257, -257, -257, -257, -257, -257, -257, -257,
 /*    70 */  -257, -257, -257, -257, -257, -257, -257, -172,  457,  628,
 /*    80 */   673,  692,  694,  702,  704,  722,  728,  740,  743,  748,
 /*    90 */   767,  791,  815,  818,  820,  822,  857,  861,  864,  866,
 /*   100 */   868,  870,  872,  874,  876,  881,  900,  902,  906,  908,
 /*   110 */   910,  912,  915,  917,  920,  960,  962,  964,  988,  990,
 /*   120 */   992, 1016, 1029, 1032, -257, -257, -257, -257, -257, -257,
 /*   130 */  -257, -257, -257,  271,  618, -190,   68,   60,  240, -124,
 /*   140 */   603,  610,  603,  610,   12, -257, -257, -257, -257, -128,
 /*   150 */  -128, -128, -142,   25,  270,  281,  333,  124,  236,  648,
 /*   160 */   374,  465,  465,   28,  598,  792,  839,  469,   38,  381,
 /*   170 */   622,  709,  173,  699,  522,  703,  808,  811,  867,  816,
 /*   180 */  -104,  823,   -3,  875,  649,  753,  323,  -88,  882,  884,
 /*   190 */   518,   43,  325,  899,  763,  604,  879,  969,  402, -193,
 /*   200 */  -189, -180, -151,  -55,   69,  104,  141,  259,  286,  360,
 /*   210 */   364,  455,  474,  481,  510,  516,  611,  653,  788,   99,
 /*   220 */   871,  878,  995, 1009, 1049, 1081, 1115, 1134, 1136, 1138,
 /*   230 */  1139, 1140,  733, 1110, 1112, 1144, 1145, 1146, 1148, 1084,
 /*   240 */  1161, 1162, 1163, 1089, 1047, 1165, 1166, 1127, 1169,  104,
 /*   250 */  1181, 1182, 1183, 1184, 1185, 1187, 1098, 1100, 1150, 1131,
 /*   260 */  1132, 1135, 1141, 1084, 1150, 1150, 1152, 1173, 1196, 1097,
 /*   270 */  1153, 1143, 1167, 1103, 1154, 1155, 1104, 1176, 1174, 1199,
 /*   280 */  1178, 1186, 1188, 1168, 1158, 1160, 1170, 1159, 1201, 1230,
 /*   290 */  1156, 1243, 1244, 1157, 1164, 1247, 1172, 1189, 1192, 1240,
 /*   300 */  1231, 1241, 1242, 1256, 1257, 1278, 1294, 1251, 1252, 1232,
 /*   310 */  1234, 1265, 1266, 1259, 1301, 1303, 1223, 1225, 1307, 1313,
 /*   320 */  1295, 1317, 1319, 1320, 1323, 1299, 1306, 1308, 1309, 1305,
 /*   330 */  1311, 1315, 1314, 1321, 1312, 1324, 1326, 1327, 1263, 1271,
 /*   340 */  1331, 1296, 1298, 1300, 1302, 1304, 1310, 1316, 1318, 1357,
 /*   350 */  1255, 1260, 1329, 1325, 1332, 1370, 1333, 1338, 1341, 1343,
 /*   360 */  1346, 1390, 1393, 1403, 1405, 1416, 1417, 1418, 1328, 1330,
 /*   370 */  1335, 1409, 1394, 1399, 1401, 1402, 1410, 1391, 1396, 1411,
 /*   380 */  1420, 1413, 1415,
};
static const YYACTIONTYPE yy_default[] = {
 /*     0 */  1537, 1537, 1537, 1377, 1159, 1266, 1159, 1159, 1159, 1377,
 /*    10 */  1377, 1377, 1159, 1296, 1296, 1430, 1190, 1159, 1159, 1159,
 /*    20 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1376, 1159, 1159,
 /*    30 */  1159, 1159, 1460, 1460, 1159, 1159, 1159, 1159, 1159, 1159,
 /*    40 */  1159, 1159, 1159, 1302, 1159, 1159, 1159, 1159, 1159, 1378,
 /*    50 */  1379, 1159, 1159, 1159, 1429, 1431, 1394, 1312, 1311, 1310,
 /*    60 */  1309, 1412, 1283, 1307, 1300, 1304, 1372, 1373, 1371, 1375,
 /*    70 */  1379, 1378, 1159, 1303, 1343, 1357, 1342, 1159, 1159, 1159,
 /*    80 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*    90 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   100 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   110 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   120 */  1159, 1159, 1159, 1159, 1351, 1356, 1362, 1355, 1352, 1345,
 /*   130 */  1344, 1346, 1347, 1159, 1180, 1230, 1159, 1159, 1159, 1159,
 /*   140 */  1448, 1447, 1159, 1159, 1190, 1348, 1349, 1359, 1358, 1437,
 /*   150 */  1493, 1492, 1395, 1159, 1159, 1159, 1159, 1159, 1159, 1460,
 /*   160 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   170 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   180 */  1159, 1159, 1159, 1159, 1460, 1460, 1159, 1190, 1460, 1460,
 /*   190 */  1186, 1337, 1336, 1186, 1290, 1159, 1443, 1266, 1257, 1159,
 /*   200 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   210 */  1159, 1159, 1159, 1434, 1432, 1159, 1159, 1159, 1159, 1159,
 /*   220 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   230 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   240 */  1159, 1159, 1159, 1262, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   250 */  1159, 1159, 1159, 1159, 1159, 1487, 1159, 1407, 1244, 1262,
 /*   260 */  1262, 1262, 1262, 1264, 1245, 1243, 1256, 1191, 1166, 1529,
 /*   270 */  1306, 1285, 1285, 1526, 1306, 1306, 1526, 1205, 1507, 1202,
 /*   280 */  1296, 1296, 1296, 1285, 1290, 1290, 1374, 1263, 1256, 1159,
 /*   290 */  1529, 1271, 1271, 1528, 1528, 1271, 1395, 1315, 1321, 1233,
 /*   300 */  1306, 1239, 1239, 1239, 1239, 1271, 1177, 1306, 1306, 1315,
 /*   310 */  1321, 1233, 1233, 1306, 1271, 1177, 1411, 1523, 1271, 1177,
 /*   320 */  1385, 1271, 1177, 1271, 1177, 1385, 1231, 1231, 1231, 1220,
 /*   330 */  1385, 1231, 1205, 1231, 1220, 1231, 1231, 1385, 1389, 1389,
 /*   340 */  1385, 1289, 1284, 1289, 1284, 1289, 1284, 1289, 1284, 1271,
 /*   350 */  1470, 1470, 1301, 1290, 1380, 1271, 1159, 1301, 1299, 1297,
 /*   360 */  1306, 1183, 1223, 1490, 1490, 1486, 1486, 1486, 1534, 1534,
 /*   370 */  1443, 1502, 1190, 1190, 1190, 1190, 1502, 1207, 1207, 1191,
 /*   380 */  1191, 1190, 1502, 1159, 1159, 1159, 1159, 1159, 1159, 1497,
 /*   390 */  1159, 1396, 1275, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   400 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   410 */  1159, 1159, 1159, 1159, 1159, 1326, 1159, 1162, 1440, 1159,
 /*   420 */  1159, 1438, 1159, 1159, 1159, 1159, 1159, 1159, 1276, 1159,
 /*   430 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   440 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1525, 1159, 1159,
 /*   450 */  1159, 1159, 1159, 1159, 1410, 1409, 1159, 1159, 1273, 1159,
 /*   460 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   470 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   480 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   490 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1298, 1159, 1159,
 /*   500 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   510 */  1159, 1159, 1475, 1291, 1159, 1159, 1516, 1159, 1159, 1159,
 /*   520 */  1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159, 1159,
 /*   530 */  1159, 1511, 1247, 1328, 1159, 1327, 1331, 1159, 1171, 1159,
};
/********** End of lemon-generated parsing tables *****************************/

/* The next table maps tokens (terminal symbols) into fallback tokens.  
** If a construct like the following:
** 
**      %fallback ID X Y Z.
................................................................................
   59,  /*        ROW => ID */
   59,  /*       ROWS => ID */
   59,  /*    TRIGGER => ID */
   59,  /*     VACUUM => ID */
   59,  /*       VIEW => ID */
   59,  /*    VIRTUAL => ID */
   59,  /*       WITH => ID */



   59,  /*    CURRENT => ID */
   59,  /*  FOLLOWING => ID */
   59,  /*  PARTITION => ID */
   59,  /*  PRECEDING => ID */
   59,  /*      RANGE => ID */
   59,  /*  UNBOUNDED => ID */
   59,  /*    EXCLUDE => ID */
   59,  /*     GROUPS => ID */
   59,  /*     OTHERS => ID */
   59,  /*       TIES => ID */
   59,  /*    REINDEX => ID */
   59,  /*     RENAME => ID */
   59,  /*   CTIME_KW => ID */

















































































};
#endif /* YYFALLBACK */

/* The following structure represents a single element of the
** parser's stack.  Information stored includes:
**
**   +  The state number for the parser at this level of the stack.
................................................................................
  /*   75 */ "ROW",
  /*   76 */ "ROWS",
  /*   77 */ "TRIGGER",
  /*   78 */ "VACUUM",
  /*   79 */ "VIEW",
  /*   80 */ "VIRTUAL",
  /*   81 */ "WITH",
  /*   82 */ "CURRENT",
  /*   83 */ "FOLLOWING",
  /*   84 */ "PARTITION",
  /*   85 */ "PRECEDING",
  /*   86 */ "RANGE",
  /*   87 */ "UNBOUNDED",
  /*   88 */ "EXCLUDE",
  /*   89 */ "GROUPS",
  /*   90 */ "OTHERS",
  /*   91 */ "TIES",
  /*   92 */ "REINDEX",
  /*   93 */ "RENAME",
  /*   94 */ "CTIME_KW",
  /*   95 */ "ANY",
  /*   96 */ "BITAND",
  /*   97 */ "BITOR",
  /*   98 */ "LSHIFT",
  /*   99 */ "RSHIFT",
  /*  100 */ "PLUS",
  /*  101 */ "MINUS",
  /*  102 */ "STAR",
  /*  103 */ "SLASH",
  /*  104 */ "REM",
  /*  105 */ "CONCAT",
  /*  106 */ "COLLATE",
  /*  107 */ "BITNOT",
  /*  108 */ "ON",
  /*  109 */ "INDEXED",
  /*  110 */ "STRING",
  /*  111 */ "JOIN_KW",
  /*  112 */ "CONSTRAINT",
  /*  113 */ "DEFAULT",
  /*  114 */ "NULL",
  /*  115 */ "PRIMARY",
  /*  116 */ "UNIQUE",
  /*  117 */ "CHECK",
  /*  118 */ "REFERENCES",
  /*  119 */ "AUTOINCR",
  /*  120 */ "INSERT",
  /*  121 */ "DELETE",
  /*  122 */ "UPDATE",
  /*  123 */ "SET",
  /*  124 */ "DEFERRABLE",
  /*  125 */ "FOREIGN",
  /*  126 */ "DROP",
  /*  127 */ "UNION",
  /*  128 */ "ALL",
  /*  129 */ "EXCEPT",
  /*  130 */ "INTERSECT",
  /*  131 */ "SELECT",
  /*  132 */ "VALUES",
  /*  133 */ "DISTINCT",
  /*  134 */ "DOT",
  /*  135 */ "FROM",
  /*  136 */ "JOIN",
  /*  137 */ "USING",
  /*  138 */ "ORDER",
  /*  139 */ "GROUP",
  /*  140 */ "HAVING",
  /*  141 */ "LIMIT",
  /*  142 */ "WHERE",
  /*  143 */ "INTO",
  /*  144 */ "NOTHING",
  /*  145 */ "FLOAT",
  /*  146 */ "BLOB",
  /*  147 */ "INTEGER",
  /*  148 */ "VARIABLE",
  /*  149 */ "CASE",
  /*  150 */ "WHEN",
  /*  151 */ "THEN",
  /*  152 */ "ELSE",
  /*  153 */ "INDEX",
  /*  154 */ "ALTER",
  /*  155 */ "ADD",
  /*  156 */ "WINDOW",
  /*  157 */ "OVER",
  /*  158 */ "FILTER",
  /*  159 */ "TRUEFALSE",
  /*  160 */ "ISNOT",
  /*  161 */ "FUNCTION",
  /*  162 */ "COLUMN",
  /*  163 */ "AGG_FUNCTION",
  /*  164 */ "AGG_COLUMN",
  /*  165 */ "UMINUS",
  /*  166 */ "UPLUS",
  /*  167 */ "TRUTH",
  /*  168 */ "REGISTER",
  /*  169 */ "VECTOR",
  /*  170 */ "SELECT_COLUMN",
  /*  171 */ "IF_NULL_ROW",
  /*  172 */ "ASTERISK",
  /*  173 */ "SPAN",
  /*  174 */ "SPACE",
  /*  175 */ "ILLEGAL",
  /*  176 */ "input",
  /*  177 */ "cmdlist",
  /*  178 */ "ecmd",
  /*  179 */ "cmdx",
  /*  180 */ "explain",
  /*  181 */ "cmd",
  /*  182 */ "transtype",
  /*  183 */ "trans_opt",
  /*  184 */ "nm",
  /*  185 */ "savepoint_opt",
  /*  186 */ "create_table",
  /*  187 */ "create_table_args",
  /*  188 */ "createkw",
  /*  189 */ "temp",
  /*  190 */ "ifnotexists",
  /*  191 */ "dbnm",
  /*  192 */ "columnlist",
  /*  193 */ "conslist_opt",
  /*  194 */ "table_options",
  /*  195 */ "select",
  /*  196 */ "columnname",
  /*  197 */ "carglist",
  /*  198 */ "typetoken",
  /*  199 */ "typename",
  /*  200 */ "signed",
  /*  201 */ "plus_num",
  /*  202 */ "minus_num",
  /*  203 */ "scanpt",
  /*  204 */ "scantok",
  /*  205 */ "ccons",
  /*  206 */ "term",
  /*  207 */ "expr",
  /*  208 */ "onconf",
  /*  209 */ "sortorder",
  /*  210 */ "autoinc",
  /*  211 */ "eidlist_opt",
  /*  212 */ "refargs",
  /*  213 */ "defer_subclause",
  /*  214 */ "refarg",
  /*  215 */ "refact",
  /*  216 */ "init_deferred_pred_opt",
  /*  217 */ "conslist",
  /*  218 */ "tconscomma",
  /*  219 */ "tcons",
  /*  220 */ "sortlist",
  /*  221 */ "eidlist",
  /*  222 */ "defer_subclause_opt",
  /*  223 */ "orconf",
  /*  224 */ "resolvetype",
  /*  225 */ "raisetype",
  /*  226 */ "ifexists",
  /*  227 */ "fullname",
  /*  228 */ "selectnowith",
  /*  229 */ "oneselect",
  /*  230 */ "wqlist",
  /*  231 */ "multiselect_op",
  /*  232 */ "distinct",
  /*  233 */ "selcollist",
  /*  234 */ "from",
  /*  235 */ "where_opt",
  /*  236 */ "groupby_opt",
  /*  237 */ "having_opt",
  /*  238 */ "orderby_opt",
  /*  239 */ "limit_opt",
  /*  240 */ "window_clause",
  /*  241 */ "values",
  /*  242 */ "nexprlist",
  /*  243 */ "sclp",
  /*  244 */ "as",
  /*  245 */ "seltablist",
  /*  246 */ "stl_prefix",
  /*  247 */ "joinop",
  /*  248 */ "indexed_opt",
  /*  249 */ "on_opt",
  /*  250 */ "using_opt",
  /*  251 */ "exprlist",
  /*  252 */ "xfullname",
  /*  253 */ "idlist",
  /*  254 */ "with",
  /*  255 */ "setlist",
  /*  256 */ "insert_cmd",
  /*  257 */ "idlist_opt",
  /*  258 */ "upsert",
  /*  259 */ "over_clause",
  /*  260 */ "likeop",
  /*  261 */ "between_op",
  /*  262 */ "in_op",
  /*  263 */ "paren_exprlist",
  /*  264 */ "case_operand",
  /*  265 */ "case_exprlist",
  /*  266 */ "case_else",
  /*  267 */ "uniqueflag",
  /*  268 */ "collate",
  /*  269 */ "vinto",
  /*  270 */ "nmnum",
  /*  271 */ "trigger_decl",
  /*  272 */ "trigger_cmd_list",
  /*  273 */ "trigger_time",
  /*  274 */ "trigger_event",
  /*  275 */ "foreach_clause",
  /*  276 */ "when_clause",
  /*  277 */ "trigger_cmd",
  /*  278 */ "trnm",
  /*  279 */ "tridxby",
  /*  280 */ "database_kw_opt",
  /*  281 */ "key_opt",
  /*  282 */ "add_column_fullname",
  /*  283 */ "kwcolumn_opt",
  /*  284 */ "create_vtab",
  /*  285 */ "vtabarglist",
  /*  286 */ "vtabarg",
  /*  287 */ "vtabargtoken",
  /*  288 */ "lp",
  /*  289 */ "anylist",
  /*  290 */ "windowdefn_list",
  /*  291 */ "windowdefn",
  /*  292 */ "window",
  /*  293 */ "frame_opt",
  /*  294 */ "part_opt",
  /*  295 */ "filter_opt",
  /*  296 */ "range_or_rows",
  /*  297 */ "frame_bound",





  /*  298 */ "frame_bound_s",
  /*  299 */ "frame_bound_e",
  /*  300 */ "frame_exclude_opt",
  /*  301 */ "frame_exclude",
};
#endif /* defined(YYCOVERAGE) || !defined(NDEBUG) */

#ifndef NDEBUG
/* For tracing reduce actions, the names of all rules are required.
*/
static const char *const yyRuleName[] = {
................................................................................
 /* 123 */ "indexed_opt ::=",
 /* 124 */ "indexed_opt ::= INDEXED BY nm",
 /* 125 */ "indexed_opt ::= NOT INDEXED",
 /* 126 */ "using_opt ::= USING LP idlist RP",
 /* 127 */ "using_opt ::=",
 /* 128 */ "orderby_opt ::=",
 /* 129 */ "orderby_opt ::= ORDER BY sortlist",
 /* 130 */ "sortlist ::= sortlist COMMA expr sortorder",
 /* 131 */ "sortlist ::= expr sortorder",
 /* 132 */ "sortorder ::= ASC",
 /* 133 */ "sortorder ::= DESC",
 /* 134 */ "sortorder ::=",



 /* 135 */ "groupby_opt ::=",
 /* 136 */ "groupby_opt ::= GROUP BY nexprlist",
 /* 137 */ "having_opt ::=",
 /* 138 */ "having_opt ::= HAVING expr",
 /* 139 */ "limit_opt ::=",
 /* 140 */ "limit_opt ::= LIMIT expr",
 /* 141 */ "limit_opt ::= LIMIT expr OFFSET expr",
 /* 142 */ "limit_opt ::= LIMIT expr COMMA expr",
 /* 143 */ "cmd ::= with DELETE FROM xfullname indexed_opt where_opt",
 /* 144 */ "where_opt ::=",
 /* 145 */ "where_opt ::= WHERE expr",
 /* 146 */ "cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt",
 /* 147 */ "setlist ::= setlist COMMA nm EQ expr",
 /* 148 */ "setlist ::= setlist COMMA LP idlist RP EQ expr",
 /* 149 */ "setlist ::= nm EQ expr",
 /* 150 */ "setlist ::= LP idlist RP EQ expr",
 /* 151 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert",
 /* 152 */ "cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES",
 /* 153 */ "upsert ::=",
 /* 154 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt",
 /* 155 */ "upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING",
 /* 156 */ "upsert ::= ON CONFLICT DO NOTHING",
 /* 157 */ "insert_cmd ::= INSERT orconf",
 /* 158 */ "insert_cmd ::= REPLACE",
 /* 159 */ "idlist_opt ::=",
 /* 160 */ "idlist_opt ::= LP idlist RP",
 /* 161 */ "idlist ::= idlist COMMA nm",
 /* 162 */ "idlist ::= nm",
 /* 163 */ "expr ::= LP expr RP",
 /* 164 */ "expr ::= ID|INDEXED",
 /* 165 */ "expr ::= JOIN_KW",
 /* 166 */ "expr ::= nm DOT nm",
 /* 167 */ "expr ::= nm DOT nm DOT nm",
 /* 168 */ "term ::= NULL|FLOAT|BLOB",
 /* 169 */ "term ::= STRING",
 /* 170 */ "term ::= INTEGER",
 /* 171 */ "expr ::= VARIABLE",
 /* 172 */ "expr ::= expr COLLATE ID|STRING",
 /* 173 */ "expr ::= CAST LP expr AS typetoken RP",
 /* 174 */ "expr ::= ID|INDEXED LP distinct exprlist RP",
 /* 175 */ "expr ::= ID|INDEXED LP STAR RP",
 /* 176 */ "expr ::= ID|INDEXED LP distinct exprlist RP over_clause",
 /* 177 */ "expr ::= ID|INDEXED LP STAR RP over_clause",
 /* 178 */ "term ::= CTIME_KW",
 /* 179 */ "expr ::= LP nexprlist COMMA expr RP",
 /* 180 */ "expr ::= expr AND expr",
 /* 181 */ "expr ::= expr OR expr",
 /* 182 */ "expr ::= expr LT|GT|GE|LE expr",
 /* 183 */ "expr ::= expr EQ|NE expr",
 /* 184 */ "expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr",
 /* 185 */ "expr ::= expr PLUS|MINUS expr",
 /* 186 */ "expr ::= expr STAR|SLASH|REM expr",
 /* 187 */ "expr ::= expr CONCAT expr",
 /* 188 */ "likeop ::= NOT LIKE_KW|MATCH",
 /* 189 */ "expr ::= expr likeop expr",
 /* 190 */ "expr ::= expr likeop expr ESCAPE expr",
 /* 191 */ "expr ::= expr ISNULL|NOTNULL",
 /* 192 */ "expr ::= expr NOT NULL",
 /* 193 */ "expr ::= expr IS expr",
 /* 194 */ "expr ::= expr IS NOT expr",
 /* 195 */ "expr ::= NOT expr",
 /* 196 */ "expr ::= BITNOT expr",
 /* 197 */ "expr ::= PLUS|MINUS expr",
 /* 198 */ "between_op ::= BETWEEN",
 /* 199 */ "between_op ::= NOT BETWEEN",
 /* 200 */ "expr ::= expr between_op expr AND expr",
 /* 201 */ "in_op ::= IN",
 /* 202 */ "in_op ::= NOT IN",
 /* 203 */ "expr ::= expr in_op LP exprlist RP",
 /* 204 */ "expr ::= LP select RP",
 /* 205 */ "expr ::= expr in_op LP select RP",
 /* 206 */ "expr ::= expr in_op nm dbnm paren_exprlist",
 /* 207 */ "expr ::= EXISTS LP select RP",
 /* 208 */ "expr ::= CASE case_operand case_exprlist case_else END",
 /* 209 */ "case_exprlist ::= case_exprlist WHEN expr THEN expr",
 /* 210 */ "case_exprlist ::= WHEN expr THEN expr",
 /* 211 */ "case_else ::= ELSE expr",
 /* 212 */ "case_else ::=",
 /* 213 */ "case_operand ::= expr",
 /* 214 */ "case_operand ::=",
 /* 215 */ "exprlist ::=",
 /* 216 */ "nexprlist ::= nexprlist COMMA expr",
 /* 217 */ "nexprlist ::= expr",
 /* 218 */ "paren_exprlist ::=",
 /* 219 */ "paren_exprlist ::= LP exprlist RP",
 /* 220 */ "cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt",
 /* 221 */ "uniqueflag ::= UNIQUE",
 /* 222 */ "uniqueflag ::=",
 /* 223 */ "eidlist_opt ::=",
 /* 224 */ "eidlist_opt ::= LP eidlist RP",
 /* 225 */ "eidlist ::= eidlist COMMA nm collate sortorder",
 /* 226 */ "eidlist ::= nm collate sortorder",
 /* 227 */ "collate ::=",
 /* 228 */ "collate ::= COLLATE ID|STRING",
 /* 229 */ "cmd ::= DROP INDEX ifexists fullname",
 /* 230 */ "cmd ::= VACUUM vinto",
 /* 231 */ "cmd ::= VACUUM nm vinto",
 /* 232 */ "vinto ::= INTO expr",
 /* 233 */ "vinto ::=",
 /* 234 */ "cmd ::= PRAGMA nm dbnm",
 /* 235 */ "cmd ::= PRAGMA nm dbnm EQ nmnum",
 /* 236 */ "cmd ::= PRAGMA nm dbnm LP nmnum RP",
 /* 237 */ "cmd ::= PRAGMA nm dbnm EQ minus_num",
 /* 238 */ "cmd ::= PRAGMA nm dbnm LP minus_num RP",
 /* 239 */ "plus_num ::= PLUS INTEGER|FLOAT",
 /* 240 */ "minus_num ::= MINUS INTEGER|FLOAT",
 /* 241 */ "cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END",
 /* 242 */ "trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause",
 /* 243 */ "trigger_time ::= BEFORE|AFTER",
 /* 244 */ "trigger_time ::= INSTEAD OF",
 /* 245 */ "trigger_time ::=",
 /* 246 */ "trigger_event ::= DELETE|INSERT",
 /* 247 */ "trigger_event ::= UPDATE",
 /* 248 */ "trigger_event ::= UPDATE OF idlist",
 /* 249 */ "when_clause ::=",
 /* 250 */ "when_clause ::= WHEN expr",
 /* 251 */ "trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI",
 /* 252 */ "trigger_cmd_list ::= trigger_cmd SEMI",
 /* 253 */ "trnm ::= nm DOT nm",
 /* 254 */ "tridxby ::= INDEXED BY nm",
 /* 255 */ "tridxby ::= NOT INDEXED",
 /* 256 */ "trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt",
 /* 257 */ "trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt",
 /* 258 */ "trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt",
 /* 259 */ "trigger_cmd ::= scanpt select scanpt",
 /* 260 */ "expr ::= RAISE LP IGNORE RP",
 /* 261 */ "expr ::= RAISE LP raisetype COMMA nm RP",
 /* 262 */ "raisetype ::= ROLLBACK",
 /* 263 */ "raisetype ::= ABORT",
 /* 264 */ "raisetype ::= FAIL",
 /* 265 */ "cmd ::= DROP TRIGGER ifexists fullname",
 /* 266 */ "cmd ::= ATTACH database_kw_opt expr AS expr key_opt",
 /* 267 */ "cmd ::= DETACH database_kw_opt expr",
 /* 268 */ "key_opt ::=",
 /* 269 */ "key_opt ::= KEY expr",
 /* 270 */ "cmd ::= REINDEX",
 /* 271 */ "cmd ::= REINDEX nm dbnm",
 /* 272 */ "cmd ::= ANALYZE",
 /* 273 */ "cmd ::= ANALYZE nm dbnm",
 /* 274 */ "cmd ::= ALTER TABLE fullname RENAME TO nm",
 /* 275 */ "cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist",
 /* 276 */ "add_column_fullname ::= fullname",
 /* 277 */ "cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm",
 /* 278 */ "cmd ::= create_vtab",
 /* 279 */ "cmd ::= create_vtab LP vtabarglist RP",
 /* 280 */ "create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm",
 /* 281 */ "vtabarg ::=",
 /* 282 */ "vtabargtoken ::= ANY",
 /* 283 */ "vtabargtoken ::= lp anylist RP",
 /* 284 */ "lp ::= LP",
 /* 285 */ "with ::= WITH wqlist",
 /* 286 */ "with ::= WITH RECURSIVE wqlist",
 /* 287 */ "wqlist ::= nm eidlist_opt AS LP select RP",
 /* 288 */ "wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP",
 /* 289 */ "windowdefn_list ::= windowdefn",
 /* 290 */ "windowdefn_list ::= windowdefn_list COMMA windowdefn",
 /* 291 */ "windowdefn ::= nm AS LP window RP",
 /* 292 */ "window ::= PARTITION BY nexprlist orderby_opt frame_opt",
 /* 293 */ "window ::= nm PARTITION BY nexprlist orderby_opt frame_opt",
 /* 294 */ "window ::= ORDER BY sortlist frame_opt",
 /* 295 */ "window ::= nm ORDER BY sortlist frame_opt",
 /* 296 */ "window ::= frame_opt",
 /* 297 */ "window ::= nm frame_opt",
 /* 298 */ "frame_opt ::=",
 /* 299 */ "frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt",
 /* 300 */ "frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt",
 /* 301 */ "range_or_rows ::= RANGE|ROWS|GROUPS",
 /* 302 */ "frame_bound_s ::= frame_bound",
 /* 303 */ "frame_bound_s ::= UNBOUNDED PRECEDING",
 /* 304 */ "frame_bound_e ::= frame_bound",
 /* 305 */ "frame_bound_e ::= UNBOUNDED FOLLOWING",
 /* 306 */ "frame_bound ::= expr PRECEDING|FOLLOWING",
 /* 307 */ "frame_bound ::= CURRENT ROW",
 /* 308 */ "frame_exclude_opt ::=",
 /* 309 */ "frame_exclude_opt ::= EXCLUDE frame_exclude",
 /* 310 */ "frame_exclude ::= NO OTHERS",
 /* 311 */ "frame_exclude ::= CURRENT ROW",
 /* 312 */ "frame_exclude ::= GROUP|TIES",
 /* 313 */ "window_clause ::= WINDOW windowdefn_list",



 /* 314 */ "over_clause ::= filter_opt OVER LP window RP",
 /* 315 */ "over_clause ::= filter_opt OVER nm",
 /* 316 */ "filter_opt ::=",
 /* 317 */ "filter_opt ::= FILTER LP WHERE expr RP",
 /* 318 */ "input ::= cmdlist",
 /* 319 */ "cmdlist ::= cmdlist ecmd",
 /* 320 */ "cmdlist ::= ecmd",
 /* 321 */ "ecmd ::= SEMI",
 /* 322 */ "ecmd ::= cmdx SEMI",
 /* 323 */ "ecmd ::= explain cmdx",
 /* 324 */ "trans_opt ::=",
 /* 325 */ "trans_opt ::= TRANSACTION",
 /* 326 */ "trans_opt ::= TRANSACTION nm",
 /* 327 */ "savepoint_opt ::= SAVEPOINT",
 /* 328 */ "savepoint_opt ::=",
 /* 329 */ "cmd ::= create_table create_table_args",
 /* 330 */ "columnlist ::= columnlist COMMA columnname carglist",
 /* 331 */ "columnlist ::= columnname carglist",
 /* 332 */ "nm ::= ID|INDEXED",
 /* 333 */ "nm ::= STRING",
 /* 334 */ "nm ::= JOIN_KW",
 /* 335 */ "typetoken ::= typename",
 /* 336 */ "typename ::= ID|STRING",
 /* 337 */ "signed ::= plus_num",
 /* 338 */ "signed ::= minus_num",
 /* 339 */ "carglist ::= carglist ccons",
 /* 340 */ "carglist ::=",
 /* 341 */ "ccons ::= NULL onconf",
 /* 342 */ "conslist_opt ::= COMMA conslist",
 /* 343 */ "conslist ::= conslist tconscomma tcons",
 /* 344 */ "conslist ::= tcons",
 /* 345 */ "tconscomma ::=",
 /* 346 */ "defer_subclause_opt ::= defer_subclause",
 /* 347 */ "resolvetype ::= raisetype",
 /* 348 */ "selectnowith ::= oneselect",
 /* 349 */ "oneselect ::= values",
 /* 350 */ "sclp ::= selcollist COMMA",
 /* 351 */ "as ::= ID|STRING",
 /* 352 */ "expr ::= term",
 /* 353 */ "likeop ::= LIKE_KW|MATCH",
 /* 354 */ "exprlist ::= nexprlist",
 /* 355 */ "nmnum ::= plus_num",
 /* 356 */ "nmnum ::= nm",
 /* 357 */ "nmnum ::= ON",
 /* 358 */ "nmnum ::= DELETE",
 /* 359 */ "nmnum ::= DEFAULT",
 /* 360 */ "plus_num ::= INTEGER|FLOAT",
 /* 361 */ "foreach_clause ::=",
 /* 362 */ "foreach_clause ::= FOR EACH ROW",
 /* 363 */ "trnm ::= nm",
 /* 364 */ "tridxby ::=",
 /* 365 */ "database_kw_opt ::= DATABASE",
 /* 366 */ "database_kw_opt ::=",
 /* 367 */ "kwcolumn_opt ::=",
 /* 368 */ "kwcolumn_opt ::= COLUMNKW",
 /* 369 */ "vtabarglist ::= vtabarg",
 /* 370 */ "vtabarglist ::= vtabarglist COMMA vtabarg",
 /* 371 */ "vtabarg ::= vtabarg vtabargtoken",
 /* 372 */ "anylist ::=",
 /* 373 */ "anylist ::= anylist LP anylist RP",
 /* 374 */ "anylist ::= anylist ANY",
 /* 375 */ "with ::=",
};
#endif /* NDEBUG */


#if YYSTACKDEPTH<=0
/*
** Try to increase the size of the parser stack.  Return the number
................................................................................
    ** being destroyed before it is finished parsing.
    **
    ** Note: during a reduce, the only symbols destroyed are those
    ** which appear on the RHS of the rule, but which are *not* used
    ** inside the C code.
    */
/********* Begin destructor definitions ***************************************/
    case 195: /* select */
    case 228: /* selectnowith */
    case 229: /* oneselect */
    case 241: /* values */
{
sqlite3SelectDelete(pParse->db, (yypminor->yy391));
}
      break;
    case 206: /* term */
    case 207: /* expr */
    case 235: /* where_opt */
    case 237: /* having_opt */
    case 249: /* on_opt */
    case 264: /* case_operand */
    case 266: /* case_else */
    case 269: /* vinto */
    case 276: /* when_clause */
    case 281: /* key_opt */
    case 295: /* filter_opt */
{
sqlite3ExprDelete(pParse->db, (yypminor->yy102));
}
      break;
    case 211: /* eidlist_opt */
    case 220: /* sortlist */
    case 221: /* eidlist */
    case 233: /* selcollist */
    case 236: /* groupby_opt */
    case 238: /* orderby_opt */
    case 242: /* nexprlist */
    case 243: /* sclp */
    case 251: /* exprlist */
    case 255: /* setlist */
    case 263: /* paren_exprlist */
    case 265: /* case_exprlist */
    case 294: /* part_opt */
{
sqlite3ExprListDelete(pParse->db, (yypminor->yy94));
}
      break;
    case 227: /* fullname */
    case 234: /* from */
    case 245: /* seltablist */
    case 246: /* stl_prefix */
    case 252: /* xfullname */
{
sqlite3SrcListDelete(pParse->db, (yypminor->yy407));
}
      break;
    case 230: /* wqlist */
{
sqlite3WithDelete(pParse->db, (yypminor->yy243));
}
      break;
    case 240: /* window_clause */
    case 290: /* windowdefn_list */
{
sqlite3WindowListDelete(pParse->db, (yypminor->yy379));
}
      break;
    case 250: /* using_opt */
    case 253: /* idlist */
    case 257: /* idlist_opt */
{
sqlite3IdListDelete(pParse->db, (yypminor->yy76));
}
      break;
    case 259: /* over_clause */
    case 291: /* windowdefn */
    case 292: /* window */
    case 293: /* frame_opt */

{
sqlite3WindowDelete(pParse->db, (yypminor->yy379));
}
      break;
    case 272: /* trigger_cmd_list */
    case 277: /* trigger_cmd */
{
sqlite3DeleteTriggerStep(pParse->db, (yypminor->yy11));
}
      break;
    case 274: /* trigger_event */
{
sqlite3IdListDelete(pParse->db, (yypminor->yy298).b);
}
      break;
    case 297: /* frame_bound */
    case 298: /* frame_bound_s */
    case 299: /* frame_bound_e */
{
sqlite3ExprDelete(pParse->db, (yypminor->yy389).pExpr);
}
      break;
/********* End destructor definitions *****************************************/
    default:  break;   /* If no destructor action specified: do nothing */
  }
}

................................................................................
  assert( stateno <= YY_SHIFT_COUNT );
#if defined(YYCOVERAGE)
  yycoverage[stateno][iLookAhead] = 1;
#endif
  do{
    i = yy_shift_ofst[stateno];
    assert( i>=0 );

    /* assert( i+YYNTOKEN<=(int)YY_NLOOKAHEAD ); */
    assert( iLookAhead!=YYNOCODE );
    assert( iLookAhead < YYNTOKEN );
    i += iLookAhead;

    if( i>=YY_NLOOKAHEAD || yy_lookahead[i]!=iLookAhead ){
#ifdef YYFALLBACK
      YYCODETYPE iFallback;            /* Fallback token */
      if( iLookAhead<sizeof(yyFallback)/sizeof(yyFallback[0])
             && (iFallback = yyFallback[iLookAhead])!=0 ){

#ifndef NDEBUG
        if( yyTraceFILE ){
          fprintf(yyTraceFILE, "%sFALLBACK %s => %s\n",
             yyTracePrompt, yyTokenName[iLookAhead], yyTokenName[iFallback]);
        }
#endif
        assert( yyFallback[iFallback]==0 ); /* Fallback loop must terminate */
................................................................................
        iLookAhead = iFallback;
        continue;
      }
#endif
#ifdef YYWILDCARD
      {
        int j = i - iLookAhead + YYWILDCARD;
        if( 
#if YY_SHIFT_MIN+YYWILDCARD<0
          j>=0 &&
#endif
#if YY_SHIFT_MAX+YYWILDCARD>=YY_ACTTAB_COUNT
          j<YY_ACTTAB_COUNT &&
#endif
          j<(int)(sizeof(yy_lookahead)/sizeof(yy_lookahead[0])) &&
          yy_lookahead[j]==YYWILDCARD && iLookAhead>0
        ){
#ifndef NDEBUG
          if( yyTraceFILE ){
            fprintf(yyTraceFILE, "%sWILDCARD %s => %s\n",
               yyTracePrompt, yyTokenName[iLookAhead],
               yyTokenName[YYWILDCARD]);
          }
#endif /* NDEBUG */
          return yy_action[j];
        }
      }
#endif /* YYWILDCARD */
      return yy_default[stateno];
    }else{

      return yy_action[i];
    }
  }while(1);
}

/*
** Find the appropriate action for a parser given the non-terminal
................................................................................
  yytos->minor.yy0 = yyMinor;
  yyTraceShift(yypParser, yyNewState, "Shift");
}

/* For rule J, yyRuleInfoLhs[J] contains the symbol on the left-hand side
** of that rule */
static const YYCODETYPE yyRuleInfoLhs[] = {
   180,  /* (0) explain ::= EXPLAIN */
   180,  /* (1) explain ::= EXPLAIN QUERY PLAN */
   179,  /* (2) cmdx ::= cmd */
   181,  /* (3) cmd ::= BEGIN transtype trans_opt */
   182,  /* (4) transtype ::= */
   182,  /* (5) transtype ::= DEFERRED */
   182,  /* (6) transtype ::= IMMEDIATE */
   182,  /* (7) transtype ::= EXCLUSIVE */
   181,  /* (8) cmd ::= COMMIT|END trans_opt */
   181,  /* (9) cmd ::= ROLLBACK trans_opt */
   181,  /* (10) cmd ::= SAVEPOINT nm */
   181,  /* (11) cmd ::= RELEASE savepoint_opt nm */
   181,  /* (12) cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */
   186,  /* (13) create_table ::= createkw temp TABLE ifnotexists nm dbnm */
   188,  /* (14) createkw ::= CREATE */
   190,  /* (15) ifnotexists ::= */
   190,  /* (16) ifnotexists ::= IF NOT EXISTS */
   189,  /* (17) temp ::= TEMP */
   189,  /* (18) temp ::= */
   187,  /* (19) create_table_args ::= LP columnlist conslist_opt RP table_options */
   187,  /* (20) create_table_args ::= AS select */
   194,  /* (21) table_options ::= */
   194,  /* (22) table_options ::= WITHOUT nm */
   196,  /* (23) columnname ::= nm typetoken */
   198,  /* (24) typetoken ::= */
   198,  /* (25) typetoken ::= typename LP signed RP */
   198,  /* (26) typetoken ::= typename LP signed COMMA signed RP */
   199,  /* (27) typename ::= typename ID|STRING */
   203,  /* (28) scanpt ::= */
   204,  /* (29) scantok ::= */
   205,  /* (30) ccons ::= CONSTRAINT nm */
   205,  /* (31) ccons ::= DEFAULT scantok term */
   205,  /* (32) ccons ::= DEFAULT LP expr RP */
   205,  /* (33) ccons ::= DEFAULT PLUS scantok term */
   205,  /* (34) ccons ::= DEFAULT MINUS scantok term */
   205,  /* (35) ccons ::= DEFAULT scantok ID|INDEXED */
   205,  /* (36) ccons ::= NOT NULL onconf */
   205,  /* (37) ccons ::= PRIMARY KEY sortorder onconf autoinc */
   205,  /* (38) ccons ::= UNIQUE onconf */
   205,  /* (39) ccons ::= CHECK LP expr RP */
   205,  /* (40) ccons ::= REFERENCES nm eidlist_opt refargs */
   205,  /* (41) ccons ::= defer_subclause */
   205,  /* (42) ccons ::= COLLATE ID|STRING */
   210,  /* (43) autoinc ::= */
   210,  /* (44) autoinc ::= AUTOINCR */
   212,  /* (45) refargs ::= */
   212,  /* (46) refargs ::= refargs refarg */
   214,  /* (47) refarg ::= MATCH nm */
   214,  /* (48) refarg ::= ON INSERT refact */
   214,  /* (49) refarg ::= ON DELETE refact */
   214,  /* (50) refarg ::= ON UPDATE refact */
   215,  /* (51) refact ::= SET NULL */
   215,  /* (52) refact ::= SET DEFAULT */
   215,  /* (53) refact ::= CASCADE */
   215,  /* (54) refact ::= RESTRICT */
   215,  /* (55) refact ::= NO ACTION */
   213,  /* (56) defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */
   213,  /* (57) defer_subclause ::= DEFERRABLE init_deferred_pred_opt */
   216,  /* (58) init_deferred_pred_opt ::= */
   216,  /* (59) init_deferred_pred_opt ::= INITIALLY DEFERRED */
   216,  /* (60) init_deferred_pred_opt ::= INITIALLY IMMEDIATE */
   193,  /* (61) conslist_opt ::= */
   218,  /* (62) tconscomma ::= COMMA */
   219,  /* (63) tcons ::= CONSTRAINT nm */
   219,  /* (64) tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */
   219,  /* (65) tcons ::= UNIQUE LP sortlist RP onconf */
   219,  /* (66) tcons ::= CHECK LP expr RP onconf */
   219,  /* (67) tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */
   222,  /* (68) defer_subclause_opt ::= */
   208,  /* (69) onconf ::= */
   208,  /* (70) onconf ::= ON CONFLICT resolvetype */
   223,  /* (71) orconf ::= */
   223,  /* (72) orconf ::= OR resolvetype */
   224,  /* (73) resolvetype ::= IGNORE */
   224,  /* (74) resolvetype ::= REPLACE */
   181,  /* (75) cmd ::= DROP TABLE ifexists fullname */
   226,  /* (76) ifexists ::= IF EXISTS */
   226,  /* (77) ifexists ::= */
   181,  /* (78) cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */
   181,  /* (79) cmd ::= DROP VIEW ifexists fullname */
   181,  /* (80) cmd ::= select */
   195,  /* (81) select ::= WITH wqlist selectnowith */
   195,  /* (82) select ::= WITH RECURSIVE wqlist selectnowith */
   195,  /* (83) select ::= selectnowith */
   228,  /* (84) selectnowith ::= selectnowith multiselect_op oneselect */
   231,  /* (85) multiselect_op ::= UNION */
   231,  /* (86) multiselect_op ::= UNION ALL */
   231,  /* (87) multiselect_op ::= EXCEPT|INTERSECT */
   229,  /* (88) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */
   229,  /* (89) oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */
   241,  /* (90) values ::= VALUES LP nexprlist RP */
   241,  /* (91) values ::= values COMMA LP nexprlist RP */
   232,  /* (92) distinct ::= DISTINCT */
   232,  /* (93) distinct ::= ALL */
   232,  /* (94) distinct ::= */
   243,  /* (95) sclp ::= */
   233,  /* (96) selcollist ::= sclp scanpt expr scanpt as */
   233,  /* (97) selcollist ::= sclp scanpt STAR */
   233,  /* (98) selcollist ::= sclp scanpt nm DOT STAR */
   244,  /* (99) as ::= AS nm */
   244,  /* (100) as ::= */
   234,  /* (101) from ::= */
   234,  /* (102) from ::= FROM seltablist */
   246,  /* (103) stl_prefix ::= seltablist joinop */
   246,  /* (104) stl_prefix ::= */
   245,  /* (105) seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */
   245,  /* (106) seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */
   245,  /* (107) seltablist ::= stl_prefix LP select RP as on_opt using_opt */
   245,  /* (108) seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */
   191,  /* (109) dbnm ::= */
   191,  /* (110) dbnm ::= DOT nm */
   227,  /* (111) fullname ::= nm */
   227,  /* (112) fullname ::= nm DOT nm */
   252,  /* (113) xfullname ::= nm */
   252,  /* (114) xfullname ::= nm DOT nm */
   252,  /* (115) xfullname ::= nm DOT nm AS nm */
   252,  /* (116) xfullname ::= nm AS nm */
   247,  /* (117) joinop ::= COMMA|JOIN */
   247,  /* (118) joinop ::= JOIN_KW JOIN */
   247,  /* (119) joinop ::= JOIN_KW nm JOIN */
   247,  /* (120) joinop ::= JOIN_KW nm nm JOIN */
   249,  /* (121) on_opt ::= ON expr */
   249,  /* (122) on_opt ::= */
   248,  /* (123) indexed_opt ::= */
   248,  /* (124) indexed_opt ::= INDEXED BY nm */
   248,  /* (125) indexed_opt ::= NOT INDEXED */
   250,  /* (126) using_opt ::= USING LP idlist RP */
   250,  /* (127) using_opt ::= */
   238,  /* (128) orderby_opt ::= */
   238,  /* (129) orderby_opt ::= ORDER BY sortlist */
   220,  /* (130) sortlist ::= sortlist COMMA expr sortorder */
   220,  /* (131) sortlist ::= expr sortorder */
   209,  /* (132) sortorder ::= ASC */
   209,  /* (133) sortorder ::= DESC */
   209,  /* (134) sortorder ::= */
   236,  /* (135) groupby_opt ::= */
   236,  /* (136) groupby_opt ::= GROUP BY nexprlist */
   237,  /* (137) having_opt ::= */
   237,  /* (138) having_opt ::= HAVING expr */
   239,  /* (139) limit_opt ::= */
   239,  /* (140) limit_opt ::= LIMIT expr */
   239,  /* (141) limit_opt ::= LIMIT expr OFFSET expr */
   239,  /* (142) limit_opt ::= LIMIT expr COMMA expr */
   181,  /* (143) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */
   235,  /* (144) where_opt ::= */
   235,  /* (145) where_opt ::= WHERE expr */
   181,  /* (146) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */
   255,  /* (147) setlist ::= setlist COMMA nm EQ expr */
   255,  /* (148) setlist ::= setlist COMMA LP idlist RP EQ expr */
   255,  /* (149) setlist ::= nm EQ expr */
   255,  /* (150) setlist ::= LP idlist RP EQ expr */
   181,  /* (151) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */
   181,  /* (152) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */
   258,  /* (153) upsert ::= */
   258,  /* (154) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */
   258,  /* (155) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */
   258,  /* (156) upsert ::= ON CONFLICT DO NOTHING */
   256,  /* (157) insert_cmd ::= INSERT orconf */
   256,  /* (158) insert_cmd ::= REPLACE */
   257,  /* (159) idlist_opt ::= */
   257,  /* (160) idlist_opt ::= LP idlist RP */
   253,  /* (161) idlist ::= idlist COMMA nm */
   253,  /* (162) idlist ::= nm */
   207,  /* (163) expr ::= LP expr RP */
   207,  /* (164) expr ::= ID|INDEXED */
   207,  /* (165) expr ::= JOIN_KW */
   207,  /* (166) expr ::= nm DOT nm */
   207,  /* (167) expr ::= nm DOT nm DOT nm */
   206,  /* (168) term ::= NULL|FLOAT|BLOB */
   206,  /* (169) term ::= STRING */
   206,  /* (170) term ::= INTEGER */
   207,  /* (171) expr ::= VARIABLE */
   207,  /* (172) expr ::= expr COLLATE ID|STRING */
   207,  /* (173) expr ::= CAST LP expr AS typetoken RP */
   207,  /* (174) expr ::= ID|INDEXED LP distinct exprlist RP */
   207,  /* (175) expr ::= ID|INDEXED LP STAR RP */
   207,  /* (176) expr ::= ID|INDEXED LP distinct exprlist RP over_clause */
   207,  /* (177) expr ::= ID|INDEXED LP STAR RP over_clause */
   206,  /* (178) term ::= CTIME_KW */
   207,  /* (179) expr ::= LP nexprlist COMMA expr RP */
   207,  /* (180) expr ::= expr AND expr */
   207,  /* (181) expr ::= expr OR expr */
   207,  /* (182) expr ::= expr LT|GT|GE|LE expr */
   207,  /* (183) expr ::= expr EQ|NE expr */
   207,  /* (184) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */
   207,  /* (185) expr ::= expr PLUS|MINUS expr */
   207,  /* (186) expr ::= expr STAR|SLASH|REM expr */
   207,  /* (187) expr ::= expr CONCAT expr */
   260,  /* (188) likeop ::= NOT LIKE_KW|MATCH */
   207,  /* (189) expr ::= expr likeop expr */
   207,  /* (190) expr ::= expr likeop expr ESCAPE expr */
   207,  /* (191) expr ::= expr ISNULL|NOTNULL */
   207,  /* (192) expr ::= expr NOT NULL */
   207,  /* (193) expr ::= expr IS expr */
   207,  /* (194) expr ::= expr IS NOT expr */
   207,  /* (195) expr ::= NOT expr */
   207,  /* (196) expr ::= BITNOT expr */
   207,  /* (197) expr ::= PLUS|MINUS expr */
   261,  /* (198) between_op ::= BETWEEN */
   261,  /* (199) between_op ::= NOT BETWEEN */
   207,  /* (200) expr ::= expr between_op expr AND expr */
   262,  /* (201) in_op ::= IN */
   262,  /* (202) in_op ::= NOT IN */
   207,  /* (203) expr ::= expr in_op LP exprlist RP */
   207,  /* (204) expr ::= LP select RP */
   207,  /* (205) expr ::= expr in_op LP select RP */
   207,  /* (206) expr ::= expr in_op nm dbnm paren_exprlist */
   207,  /* (207) expr ::= EXISTS LP select RP */
   207,  /* (208) expr ::= CASE case_operand case_exprlist case_else END */
   265,  /* (209) case_exprlist ::= case_exprlist WHEN expr THEN expr */
   265,  /* (210) case_exprlist ::= WHEN expr THEN expr */
   266,  /* (211) case_else ::= ELSE expr */
   266,  /* (212) case_else ::= */
   264,  /* (213) case_operand ::= expr */
   264,  /* (214) case_operand ::= */
   251,  /* (215) exprlist ::= */
   242,  /* (216) nexprlist ::= nexprlist COMMA expr */
   242,  /* (217) nexprlist ::= expr */
   263,  /* (218) paren_exprlist ::= */
   263,  /* (219) paren_exprlist ::= LP exprlist RP */
   181,  /* (220) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */
   267,  /* (221) uniqueflag ::= UNIQUE */
   267,  /* (222) uniqueflag ::= */
   211,  /* (223) eidlist_opt ::= */
   211,  /* (224) eidlist_opt ::= LP eidlist RP */
   221,  /* (225) eidlist ::= eidlist COMMA nm collate sortorder */
   221,  /* (226) eidlist ::= nm collate sortorder */
   268,  /* (227) collate ::= */
   268,  /* (228) collate ::= COLLATE ID|STRING */
   181,  /* (229) cmd ::= DROP INDEX ifexists fullname */
   181,  /* (230) cmd ::= VACUUM vinto */
   181,  /* (231) cmd ::= VACUUM nm vinto */
   269,  /* (232) vinto ::= INTO expr */
   269,  /* (233) vinto ::= */
   181,  /* (234) cmd ::= PRAGMA nm dbnm */
   181,  /* (235) cmd ::= PRAGMA nm dbnm EQ nmnum */
   181,  /* (236) cmd ::= PRAGMA nm dbnm LP nmnum RP */
   181,  /* (237) cmd ::= PRAGMA nm dbnm EQ minus_num */
   181,  /* (238) cmd ::= PRAGMA nm dbnm LP minus_num RP */
   201,  /* (239) plus_num ::= PLUS INTEGER|FLOAT */
   202,  /* (240) minus_num ::= MINUS INTEGER|FLOAT */
   181,  /* (241) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */
   271,  /* (242) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */
   273,  /* (243) trigger_time ::= BEFORE|AFTER */
   273,  /* (244) trigger_time ::= INSTEAD OF */
   273,  /* (245) trigger_time ::= */
   274,  /* (246) trigger_event ::= DELETE|INSERT */
   274,  /* (247) trigger_event ::= UPDATE */
   274,  /* (248) trigger_event ::= UPDATE OF idlist */
   276,  /* (249) when_clause ::= */
   276,  /* (250) when_clause ::= WHEN expr */
   272,  /* (251) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */
   272,  /* (252) trigger_cmd_list ::= trigger_cmd SEMI */
   278,  /* (253) trnm ::= nm DOT nm */
   279,  /* (254) tridxby ::= INDEXED BY nm */
   279,  /* (255) tridxby ::= NOT INDEXED */
   277,  /* (256) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */
   277,  /* (257) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */
   277,  /* (258) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */
   277,  /* (259) trigger_cmd ::= scanpt select scanpt */
   207,  /* (260) expr ::= RAISE LP IGNORE RP */
   207,  /* (261) expr ::= RAISE LP raisetype COMMA nm RP */
   225,  /* (262) raisetype ::= ROLLBACK */
   225,  /* (263) raisetype ::= ABORT */
   225,  /* (264) raisetype ::= FAIL */
   181,  /* (265) cmd ::= DROP TRIGGER ifexists fullname */
   181,  /* (266) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */
   181,  /* (267) cmd ::= DETACH database_kw_opt expr */
   281,  /* (268) key_opt ::= */
   281,  /* (269) key_opt ::= KEY expr */
   181,  /* (270) cmd ::= REINDEX */
   181,  /* (271) cmd ::= REINDEX nm dbnm */
   181,  /* (272) cmd ::= ANALYZE */
   181,  /* (273) cmd ::= ANALYZE nm dbnm */
   181,  /* (274) cmd ::= ALTER TABLE fullname RENAME TO nm */
   181,  /* (275) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */
   282,  /* (276) add_column_fullname ::= fullname */
   181,  /* (277) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */
   181,  /* (278) cmd ::= create_vtab */
   181,  /* (279) cmd ::= create_vtab LP vtabarglist RP */
   284,  /* (280) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */
   286,  /* (281) vtabarg ::= */
   287,  /* (282) vtabargtoken ::= ANY */
   287,  /* (283) vtabargtoken ::= lp anylist RP */
   288,  /* (284) lp ::= LP */
   254,  /* (285) with ::= WITH wqlist */
   254,  /* (286) with ::= WITH RECURSIVE wqlist */
   230,  /* (287) wqlist ::= nm eidlist_opt AS LP select RP */
   230,  /* (288) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */
   290,  /* (289) windowdefn_list ::= windowdefn */
   290,  /* (290) windowdefn_list ::= windowdefn_list COMMA windowdefn */
   291,  /* (291) windowdefn ::= nm AS LP window RP */
   292,  /* (292) window ::= PARTITION BY nexprlist orderby_opt frame_opt */
   292,  /* (293) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */
   292,  /* (294) window ::= ORDER BY sortlist frame_opt */
   292,  /* (295) window ::= nm ORDER BY sortlist frame_opt */
   292,  /* (296) window ::= frame_opt */
   292,  /* (297) window ::= nm frame_opt */
   293,  /* (298) frame_opt ::= */
   293,  /* (299) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */
   293,  /* (300) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */
   296,  /* (301) range_or_rows ::= RANGE|ROWS|GROUPS */
   298,  /* (302) frame_bound_s ::= frame_bound */
   298,  /* (303) frame_bound_s ::= UNBOUNDED PRECEDING */
   299,  /* (304) frame_bound_e ::= frame_bound */
   299,  /* (305) frame_bound_e ::= UNBOUNDED FOLLOWING */
   297,  /* (306) frame_bound ::= expr PRECEDING|FOLLOWING */
   297,  /* (307) frame_bound ::= CURRENT ROW */
   300,  /* (308) frame_exclude_opt ::= */
   300,  /* (309) frame_exclude_opt ::= EXCLUDE frame_exclude */
   301,  /* (310) frame_exclude ::= NO OTHERS */
   301,  /* (311) frame_exclude ::= CURRENT ROW */
   301,  /* (312) frame_exclude ::= GROUP|TIES */
   240,  /* (313) window_clause ::= WINDOW windowdefn_list */
   259,  /* (314) over_clause ::= filter_opt OVER LP window RP */
   259,  /* (315) over_clause ::= filter_opt OVER nm */
   295,  /* (316) filter_opt ::= */
   295,  /* (317) filter_opt ::= FILTER LP WHERE expr RP */
   176,  /* (318) input ::= cmdlist */
   177,  /* (319) cmdlist ::= cmdlist ecmd */
   177,  /* (320) cmdlist ::= ecmd */
   178,  /* (321) ecmd ::= SEMI */
   178,  /* (322) ecmd ::= cmdx SEMI */
   178,  /* (323) ecmd ::= explain cmdx */
   183,  /* (324) trans_opt ::= */
   183,  /* (325) trans_opt ::= TRANSACTION */
   183,  /* (326) trans_opt ::= TRANSACTION nm */
   185,  /* (327) savepoint_opt ::= SAVEPOINT */
   185,  /* (328) savepoint_opt ::= */
   181,  /* (329) cmd ::= create_table create_table_args */
   192,  /* (330) columnlist ::= columnlist COMMA columnname carglist */
   192,  /* (331) columnlist ::= columnname carglist */
   184,  /* (332) nm ::= ID|INDEXED */
   184,  /* (333) nm ::= STRING */
   184,  /* (334) nm ::= JOIN_KW */
   198,  /* (335) typetoken ::= typename */
   199,  /* (336) typename ::= ID|STRING */
   200,  /* (337) signed ::= plus_num */
   200,  /* (338) signed ::= minus_num */
   197,  /* (339) carglist ::= carglist ccons */
   197,  /* (340) carglist ::= */
   205,  /* (341) ccons ::= NULL onconf */
   193,  /* (342) conslist_opt ::= COMMA conslist */
   217,  /* (343) conslist ::= conslist tconscomma tcons */
   217,  /* (344) conslist ::= tcons */
   218,  /* (345) tconscomma ::= */
   222,  /* (346) defer_subclause_opt ::= defer_subclause */
   224,  /* (347) resolvetype ::= raisetype */
   228,  /* (348) selectnowith ::= oneselect */
   229,  /* (349) oneselect ::= values */
   243,  /* (350) sclp ::= selcollist COMMA */
   244,  /* (351) as ::= ID|STRING */
   207,  /* (352) expr ::= term */
   260,  /* (353) likeop ::= LIKE_KW|MATCH */
   251,  /* (354) exprlist ::= nexprlist */
   270,  /* (355) nmnum ::= plus_num */
   270,  /* (356) nmnum ::= nm */
   270,  /* (357) nmnum ::= ON */
   270,  /* (358) nmnum ::= DELETE */
   270,  /* (359) nmnum ::= DEFAULT */
   201,  /* (360) plus_num ::= INTEGER|FLOAT */
   275,  /* (361) foreach_clause ::= */
   275,  /* (362) foreach_clause ::= FOR EACH ROW */
   278,  /* (363) trnm ::= nm */
   279,  /* (364) tridxby ::= */
   280,  /* (365) database_kw_opt ::= DATABASE */
   280,  /* (366) database_kw_opt ::= */
   283,  /* (367) kwcolumn_opt ::= */
   283,  /* (368) kwcolumn_opt ::= COLUMNKW */
   285,  /* (369) vtabarglist ::= vtabarg */
   285,  /* (370) vtabarglist ::= vtabarglist COMMA vtabarg */
   286,  /* (371) vtabarg ::= vtabarg vtabargtoken */
   289,  /* (372) anylist ::= */
   289,  /* (373) anylist ::= anylist LP anylist RP */
   289,  /* (374) anylist ::= anylist ANY */
   254,  /* (375) with ::= */





};

/* For rule J, yyRuleInfoNRhs[J] contains the negative of the number
** of symbols on the right-hand side of that rule. */
static const signed char yyRuleInfoNRhs[] = {
   -1,  /* (0) explain ::= EXPLAIN */
   -3,  /* (1) explain ::= EXPLAIN QUERY PLAN */
................................................................................
    0,  /* (123) indexed_opt ::= */
   -3,  /* (124) indexed_opt ::= INDEXED BY nm */
   -2,  /* (125) indexed_opt ::= NOT INDEXED */
   -4,  /* (126) using_opt ::= USING LP idlist RP */
    0,  /* (127) using_opt ::= */
    0,  /* (128) orderby_opt ::= */
   -3,  /* (129) orderby_opt ::= ORDER BY sortlist */
   -4,  /* (130) sortlist ::= sortlist COMMA expr sortorder */
   -2,  /* (131) sortlist ::= expr sortorder */
   -1,  /* (132) sortorder ::= ASC */
   -1,  /* (133) sortorder ::= DESC */
    0,  /* (134) sortorder ::= */



    0,  /* (135) groupby_opt ::= */
   -3,  /* (136) groupby_opt ::= GROUP BY nexprlist */
    0,  /* (137) having_opt ::= */
   -2,  /* (138) having_opt ::= HAVING expr */
    0,  /* (139) limit_opt ::= */
   -2,  /* (140) limit_opt ::= LIMIT expr */
   -4,  /* (141) limit_opt ::= LIMIT expr OFFSET expr */
   -4,  /* (142) limit_opt ::= LIMIT expr COMMA expr */
   -6,  /* (143) cmd ::= with DELETE FROM xfullname indexed_opt where_opt */
    0,  /* (144) where_opt ::= */
   -2,  /* (145) where_opt ::= WHERE expr */
   -8,  /* (146) cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */
   -5,  /* (147) setlist ::= setlist COMMA nm EQ expr */
   -7,  /* (148) setlist ::= setlist COMMA LP idlist RP EQ expr */
   -3,  /* (149) setlist ::= nm EQ expr */
   -5,  /* (150) setlist ::= LP idlist RP EQ expr */
   -7,  /* (151) cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */
   -7,  /* (152) cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */
    0,  /* (153) upsert ::= */
  -11,  /* (154) upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */
   -8,  /* (155) upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */
   -4,  /* (156) upsert ::= ON CONFLICT DO NOTHING */
   -2,  /* (157) insert_cmd ::= INSERT orconf */
   -1,  /* (158) insert_cmd ::= REPLACE */
    0,  /* (159) idlist_opt ::= */
   -3,  /* (160) idlist_opt ::= LP idlist RP */
   -3,  /* (161) idlist ::= idlist COMMA nm */
   -1,  /* (162) idlist ::= nm */
   -3,  /* (163) expr ::= LP expr RP */
   -1,  /* (164) expr ::= ID|INDEXED */
   -1,  /* (165) expr ::= JOIN_KW */
   -3,  /* (166) expr ::= nm DOT nm */
   -5,  /* (167) expr ::= nm DOT nm DOT nm */
   -1,  /* (168) term ::= NULL|FLOAT|BLOB */
   -1,  /* (169) term ::= STRING */
   -1,  /* (170) term ::= INTEGER */
   -1,  /* (171) expr ::= VARIABLE */
   -3,  /* (172) expr ::= expr COLLATE ID|STRING */
   -6,  /* (173) expr ::= CAST LP expr AS typetoken RP */
   -5,  /* (174) expr ::= ID|INDEXED LP distinct exprlist RP */
   -4,  /* (175) expr ::= ID|INDEXED LP STAR RP */
   -6,  /* (176) expr ::= ID|INDEXED LP distinct exprlist RP over_clause */
   -5,  /* (177) expr ::= ID|INDEXED LP STAR RP over_clause */
   -1,  /* (178) term ::= CTIME_KW */
   -5,  /* (179) expr ::= LP nexprlist COMMA expr RP */
   -3,  /* (180) expr ::= expr AND expr */
   -3,  /* (181) expr ::= expr OR expr */
   -3,  /* (182) expr ::= expr LT|GT|GE|LE expr */
   -3,  /* (183) expr ::= expr EQ|NE expr */
   -3,  /* (184) expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */
   -3,  /* (185) expr ::= expr PLUS|MINUS expr */
   -3,  /* (186) expr ::= expr STAR|SLASH|REM expr */
   -3,  /* (187) expr ::= expr CONCAT expr */
   -2,  /* (188) likeop ::= NOT LIKE_KW|MATCH */
   -3,  /* (189) expr ::= expr likeop expr */
   -5,  /* (190) expr ::= expr likeop expr ESCAPE expr */
   -2,  /* (191) expr ::= expr ISNULL|NOTNULL */
   -3,  /* (192) expr ::= expr NOT NULL */
   -3,  /* (193) expr ::= expr IS expr */
   -4,  /* (194) expr ::= expr IS NOT expr */
   -2,  /* (195) expr ::= NOT expr */
   -2,  /* (196) expr ::= BITNOT expr */
   -2,  /* (197) expr ::= PLUS|MINUS expr */
   -1,  /* (198) between_op ::= BETWEEN */
   -2,  /* (199) between_op ::= NOT BETWEEN */
   -5,  /* (200) expr ::= expr between_op expr AND expr */
   -1,  /* (201) in_op ::= IN */
   -2,  /* (202) in_op ::= NOT IN */
   -5,  /* (203) expr ::= expr in_op LP exprlist RP */
   -3,  /* (204) expr ::= LP select RP */
   -5,  /* (205) expr ::= expr in_op LP select RP */
   -5,  /* (206) expr ::= expr in_op nm dbnm paren_exprlist */
   -4,  /* (207) expr ::= EXISTS LP select RP */
   -5,  /* (208) expr ::= CASE case_operand case_exprlist case_else END */
   -5,  /* (209) case_exprlist ::= case_exprlist WHEN expr THEN expr */
   -4,  /* (210) case_exprlist ::= WHEN expr THEN expr */
   -2,  /* (211) case_else ::= ELSE expr */
    0,  /* (212) case_else ::= */
   -1,  /* (213) case_operand ::= expr */
    0,  /* (214) case_operand ::= */
    0,  /* (215) exprlist ::= */
   -3,  /* (216) nexprlist ::= nexprlist COMMA expr */
   -1,  /* (217) nexprlist ::= expr */
    0,  /* (218) paren_exprlist ::= */
   -3,  /* (219) paren_exprlist ::= LP exprlist RP */
  -12,  /* (220) cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */
   -1,  /* (221) uniqueflag ::= UNIQUE */
    0,  /* (222) uniqueflag ::= */
    0,  /* (223) eidlist_opt ::= */
   -3,  /* (224) eidlist_opt ::= LP eidlist RP */
   -5,  /* (225) eidlist ::= eidlist COMMA nm collate sortorder */
   -3,  /* (226) eidlist ::= nm collate sortorder */
    0,  /* (227) collate ::= */
   -2,  /* (228) collate ::= COLLATE ID|STRING */
   -4,  /* (229) cmd ::= DROP INDEX ifexists fullname */
   -2,  /* (230) cmd ::= VACUUM vinto */
   -3,  /* (231) cmd ::= VACUUM nm vinto */
   -2,  /* (232) vinto ::= INTO expr */
    0,  /* (233) vinto ::= */
   -3,  /* (234) cmd ::= PRAGMA nm dbnm */
   -5,  /* (235) cmd ::= PRAGMA nm dbnm EQ nmnum */
   -6,  /* (236) cmd ::= PRAGMA nm dbnm LP nmnum RP */
   -5,  /* (237) cmd ::= PRAGMA nm dbnm EQ minus_num */
   -6,  /* (238) cmd ::= PRAGMA nm dbnm LP minus_num RP */
   -2,  /* (239) plus_num ::= PLUS INTEGER|FLOAT */
   -2,  /* (240) minus_num ::= MINUS INTEGER|FLOAT */
   -5,  /* (241) cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */
  -11,  /* (242) trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */
   -1,  /* (243) trigger_time ::= BEFORE|AFTER */
   -2,  /* (244) trigger_time ::= INSTEAD OF */
    0,  /* (245) trigger_time ::= */
   -1,  /* (246) trigger_event ::= DELETE|INSERT */
   -1,  /* (247) trigger_event ::= UPDATE */
   -3,  /* (248) trigger_event ::= UPDATE OF idlist */
    0,  /* (249) when_clause ::= */
   -2,  /* (250) when_clause ::= WHEN expr */
   -3,  /* (251) trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */
   -2,  /* (252) trigger_cmd_list ::= trigger_cmd SEMI */
   -3,  /* (253) trnm ::= nm DOT nm */
   -3,  /* (254) tridxby ::= INDEXED BY nm */
   -2,  /* (255) tridxby ::= NOT INDEXED */
   -8,  /* (256) trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */
   -8,  /* (257) trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */
   -6,  /* (258) trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */
   -3,  /* (259) trigger_cmd ::= scanpt select scanpt */
   -4,  /* (260) expr ::= RAISE LP IGNORE RP */
   -6,  /* (261) expr ::= RAISE LP raisetype COMMA nm RP */
   -1,  /* (262) raisetype ::= ROLLBACK */
   -1,  /* (263) raisetype ::= ABORT */
   -1,  /* (264) raisetype ::= FAIL */
   -4,  /* (265) cmd ::= DROP TRIGGER ifexists fullname */
   -6,  /* (266) cmd ::= ATTACH database_kw_opt expr AS expr key_opt */
   -3,  /* (267) cmd ::= DETACH database_kw_opt expr */
    0,  /* (268) key_opt ::= */
   -2,  /* (269) key_opt ::= KEY expr */
   -1,  /* (270) cmd ::= REINDEX */
   -3,  /* (271) cmd ::= REINDEX nm dbnm */
   -1,  /* (272) cmd ::= ANALYZE */
   -3,  /* (273) cmd ::= ANALYZE nm dbnm */
   -6,  /* (274) cmd ::= ALTER TABLE fullname RENAME TO nm */
   -7,  /* (275) cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */
   -1,  /* (276) add_column_fullname ::= fullname */
   -8,  /* (277) cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */
   -1,  /* (278) cmd ::= create_vtab */
   -4,  /* (279) cmd ::= create_vtab LP vtabarglist RP */
   -8,  /* (280) create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */
    0,  /* (281) vtabarg ::= */
   -1,  /* (282) vtabargtoken ::= ANY */
   -3,  /* (283) vtabargtoken ::= lp anylist RP */
   -1,  /* (284) lp ::= LP */
   -2,  /* (285) with ::= WITH wqlist */
   -3,  /* (286) with ::= WITH RECURSIVE wqlist */
   -6,  /* (287) wqlist ::= nm eidlist_opt AS LP select RP */
   -8,  /* (288) wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP */
   -1,  /* (289) windowdefn_list ::= windowdefn */
   -3,  /* (290) windowdefn_list ::= windowdefn_list COMMA windowdefn */
   -5,  /* (291) windowdefn ::= nm AS LP window RP */
   -5,  /* (292) window ::= PARTITION BY nexprlist orderby_opt frame_opt */
   -6,  /* (293) window ::= nm PARTITION BY nexprlist orderby_opt frame_opt */
   -4,  /* (294) window ::= ORDER BY sortlist frame_opt */
   -5,  /* (295) window ::= nm ORDER BY sortlist frame_opt */
   -1,  /* (296) window ::= frame_opt */
   -2,  /* (297) window ::= nm frame_opt */
    0,  /* (298) frame_opt ::= */
   -3,  /* (299) frame_opt ::= range_or_rows frame_bound_s frame_exclude_opt */
   -6,  /* (300) frame_opt ::= range_or_rows BETWEEN frame_bound_s AND frame_bound_e frame_exclude_opt */
   -1,  /* (301) range_or_rows ::= RANGE|ROWS|GROUPS */
   -1,  /* (302) frame_bound_s ::= frame_bound */
   -2,  /* (303) frame_bound_s ::= UNBOUNDED PRECEDING */
   -1,  /* (304) frame_bound_e ::= frame_bound */
   -2,  /* (305) frame_bound_e ::= UNBOUNDED FOLLOWING */
   -2,  /* (306) frame_bound ::= expr PRECEDING|FOLLOWING */
   -2,  /* (307) frame_bound ::= CURRENT ROW */
    0,  /* (308) frame_exclude_opt ::= */
   -2,  /* (309) frame_exclude_opt ::= EXCLUDE frame_exclude */
   -2,  /* (310) frame_exclude ::= NO OTHERS */
   -2,  /* (311) frame_exclude ::= CURRENT ROW */
   -1,  /* (312) frame_exclude ::= GROUP|TIES */
   -2,  /* (313) window_clause ::= WINDOW windowdefn_list */



   -5,  /* (314) over_clause ::= filter_opt OVER LP window RP */
   -3,  /* (315) over_clause ::= filter_opt OVER nm */
    0,  /* (316) filter_opt ::= */
   -5,  /* (317) filter_opt ::= FILTER LP WHERE expr RP */
   -1,  /* (318) input ::= cmdlist */
   -2,  /* (319) cmdlist ::= cmdlist ecmd */
   -1,  /* (320) cmdlist ::= ecmd */
   -1,  /* (321) ecmd ::= SEMI */
   -2,  /* (322) ecmd ::= cmdx SEMI */
   -2,  /* (323) ecmd ::= explain cmdx */
    0,  /* (324) trans_opt ::= */
   -1,  /* (325) trans_opt ::= TRANSACTION */
   -2,  /* (326) trans_opt ::= TRANSACTION nm */
   -1,  /* (327) savepoint_opt ::= SAVEPOINT */
    0,  /* (328) savepoint_opt ::= */
   -2,  /* (329) cmd ::= create_table create_table_args */
   -4,  /* (330) columnlist ::= columnlist COMMA columnname carglist */
   -2,  /* (331) columnlist ::= columnname carglist */
   -1,  /* (332) nm ::= ID|INDEXED */
   -1,  /* (333) nm ::= STRING */
   -1,  /* (334) nm ::= JOIN_KW */
   -1,  /* (335) typetoken ::= typename */
   -1,  /* (336) typename ::= ID|STRING */
   -1,  /* (337) signed ::= plus_num */
   -1,  /* (338) signed ::= minus_num */
   -2,  /* (339) carglist ::= carglist ccons */
    0,  /* (340) carglist ::= */
   -2,  /* (341) ccons ::= NULL onconf */
   -2,  /* (342) conslist_opt ::= COMMA conslist */
   -3,  /* (343) conslist ::= conslist tconscomma tcons */
   -1,  /* (344) conslist ::= tcons */
    0,  /* (345) tconscomma ::= */
   -1,  /* (346) defer_subclause_opt ::= defer_subclause */
   -1,  /* (347) resolvetype ::= raisetype */
   -1,  /* (348) selectnowith ::= oneselect */
   -1,  /* (349) oneselect ::= values */
   -2,  /* (350) sclp ::= selcollist COMMA */
   -1,  /* (351) as ::= ID|STRING */
   -1,  /* (352) expr ::= term */
   -1,  /* (353) likeop ::= LIKE_KW|MATCH */
   -1,  /* (354) exprlist ::= nexprlist */
   -1,  /* (355) nmnum ::= plus_num */
   -1,  /* (356) nmnum ::= nm */
   -1,  /* (357) nmnum ::= ON */
   -1,  /* (358) nmnum ::= DELETE */
   -1,  /* (359) nmnum ::= DEFAULT */
   -1,  /* (360) plus_num ::= INTEGER|FLOAT */
    0,  /* (361) foreach_clause ::= */
   -3,  /* (362) foreach_clause ::= FOR EACH ROW */
   -1,  /* (363) trnm ::= nm */
    0,  /* (364) tridxby ::= */
   -1,  /* (365) database_kw_opt ::= DATABASE */
    0,  /* (366) database_kw_opt ::= */
    0,  /* (367) kwcolumn_opt ::= */
   -1,  /* (368) kwcolumn_opt ::= COLUMNKW */
   -1,  /* (369) vtabarglist ::= vtabarg */
   -3,  /* (370) vtabarglist ::= vtabarglist COMMA vtabarg */
   -2,  /* (371) vtabarg ::= vtabarg vtabargtoken */
    0,  /* (372) anylist ::= */
   -4,  /* (373) anylist ::= anylist LP anylist RP */
   -2,  /* (374) anylist ::= anylist ANY */
    0,  /* (375) with ::= */
};

static void yy_accept(yyParser*);  /* Forward Declaration */

/*
** Perform a reduce action and the shift that must immediately
** follow the reduce.
................................................................................
      case 1: /* explain ::= EXPLAIN QUERY PLAN */
{ pParse->explain = 2; }
        break;
      case 2: /* cmdx ::= cmd */
{ sqlite3FinishCoding(pParse); }
        break;
      case 3: /* cmd ::= BEGIN transtype trans_opt */
{sqlite3BeginTransaction(pParse, yymsp[-1].minor.yy100);}
        break;
      case 4: /* transtype ::= */
{yymsp[1].minor.yy100 = TK_DEFERRED;}
        break;
      case 5: /* transtype ::= DEFERRED */
      case 6: /* transtype ::= IMMEDIATE */ yytestcase(yyruleno==6);
      case 7: /* transtype ::= EXCLUSIVE */ yytestcase(yyruleno==7);
      case 301: /* range_or_rows ::= RANGE|ROWS|GROUPS */ yytestcase(yyruleno==301);
{yymsp[0].minor.yy100 = yymsp[0].major; /*A-overwrites-X*/}
        break;
      case 8: /* cmd ::= COMMIT|END trans_opt */
      case 9: /* cmd ::= ROLLBACK trans_opt */ yytestcase(yyruleno==9);
{sqlite3EndTransaction(pParse,yymsp[-1].major);}
        break;
      case 10: /* cmd ::= SAVEPOINT nm */
{
................................................................................
      case 12: /* cmd ::= ROLLBACK trans_opt TO savepoint_opt nm */
{
  sqlite3Savepoint(pParse, SAVEPOINT_ROLLBACK, &yymsp[0].minor.yy0);
}
        break;
      case 13: /* create_table ::= createkw temp TABLE ifnotexists nm dbnm */
{
   sqlite3StartTable(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,yymsp[-4].minor.yy100,0,0,yymsp[-2].minor.yy100);
}
        break;
      case 14: /* createkw ::= CREATE */
{disableLookaside(pParse);}
        break;
      case 15: /* ifnotexists ::= */
      case 18: /* temp ::= */ yytestcase(yyruleno==18);
      case 21: /* table_options ::= */ yytestcase(yyruleno==21);
      case 43: /* autoinc ::= */ yytestcase(yyruleno==43);
      case 58: /* init_deferred_pred_opt ::= */ yytestcase(yyruleno==58);
      case 68: /* defer_subclause_opt ::= */ yytestcase(yyruleno==68);
      case 77: /* ifexists ::= */ yytestcase(yyruleno==77);
      case 94: /* distinct ::= */ yytestcase(yyruleno==94);
      case 227: /* collate ::= */ yytestcase(yyruleno==227);
{yymsp[1].minor.yy100 = 0;}
        break;
      case 16: /* ifnotexists ::= IF NOT EXISTS */
{yymsp[-2].minor.yy100 = 1;}
        break;
      case 17: /* temp ::= TEMP */
      case 44: /* autoinc ::= AUTOINCR */ yytestcase(yyruleno==44);
{yymsp[0].minor.yy100 = 1;}
        break;
      case 19: /* create_table_args ::= LP columnlist conslist_opt RP table_options */
{
  sqlite3EndTable(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,yymsp[0].minor.yy100,0);
}
        break;
      case 20: /* create_table_args ::= AS select */
{
  sqlite3EndTable(pParse,0,0,0,yymsp[0].minor.yy391);
  sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy391);
}
        break;
      case 22: /* table_options ::= WITHOUT nm */
{
  if( yymsp[0].minor.yy0.n==5 && sqlite3_strnicmp(yymsp[0].minor.yy0.z,"rowid",5)==0 ){
    yymsp[-1].minor.yy100 = TF_WithoutRowid | TF_NoVisibleRowid;
  }else{
    yymsp[-1].minor.yy100 = 0;
    sqlite3ErrorMsg(pParse, "unknown table option: %.*s", yymsp[0].minor.yy0.n, yymsp[0].minor.yy0.z);
  }
}
        break;
      case 23: /* columnname ::= nm typetoken */
{sqlite3AddColumn(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0);}
        break;
................................................................................
        break;
      case 27: /* typename ::= typename ID|STRING */
{yymsp[-1].minor.yy0.n=yymsp[0].minor.yy0.n+(int)(yymsp[0].minor.yy0.z-yymsp[-1].minor.yy0.z);}
        break;
      case 28: /* scanpt ::= */
{
  assert( yyLookahead!=YYNOCODE );
  yymsp[1].minor.yy528 = yyLookaheadToken.z;
}
        break;
      case 29: /* scantok ::= */
{
  assert( yyLookahead!=YYNOCODE );
  yymsp[1].minor.yy0 = yyLookaheadToken;
}
        break;
      case 30: /* ccons ::= CONSTRAINT nm */
      case 63: /* tcons ::= CONSTRAINT nm */ yytestcase(yyruleno==63);
{pParse->constraintName = yymsp[0].minor.yy0;}
        break;
      case 31: /* ccons ::= DEFAULT scantok term */
{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy102,yymsp[-1].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);}
        break;
      case 32: /* ccons ::= DEFAULT LP expr RP */
{sqlite3AddDefaultValue(pParse,yymsp[-1].minor.yy102,yymsp[-2].minor.yy0.z+1,yymsp[0].minor.yy0.z);}
        break;
      case 33: /* ccons ::= DEFAULT PLUS scantok term */
{sqlite3AddDefaultValue(pParse,yymsp[0].minor.yy102,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);}
        break;
      case 34: /* ccons ::= DEFAULT MINUS scantok term */
{
  Expr *p = sqlite3PExpr(pParse, TK_UMINUS, yymsp[0].minor.yy102, 0);
  sqlite3AddDefaultValue(pParse,p,yymsp[-2].minor.yy0.z,&yymsp[-1].minor.yy0.z[yymsp[-1].minor.yy0.n]);
}
        break;
      case 35: /* ccons ::= DEFAULT scantok ID|INDEXED */
{
  Expr *p = tokenExpr(pParse, TK_STRING, yymsp[0].minor.yy0);
  if( p ){
................................................................................
    sqlite3ExprIdToTrueFalse(p);
    testcase( p->op==TK_TRUEFALSE && sqlite3ExprTruthValue(p) );
  }
    sqlite3AddDefaultValue(pParse,p,yymsp[0].minor.yy0.z,yymsp[0].minor.yy0.z+yymsp[0].minor.yy0.n);
}
        break;
      case 36: /* ccons ::= NOT NULL onconf */
{sqlite3AddNotNull(pParse, yymsp[0].minor.yy100);}
        break;
      case 37: /* ccons ::= PRIMARY KEY sortorder onconf autoinc */
{sqlite3AddPrimaryKey(pParse,0,yymsp[-1].minor.yy100,yymsp[0].minor.yy100,yymsp[-2].minor.yy100);}
        break;
      case 38: /* ccons ::= UNIQUE onconf */
{sqlite3CreateIndex(pParse,0,0,0,0,yymsp[0].minor.yy100,0,0,0,0,
                                   SQLITE_IDXTYPE_UNIQUE);}
        break;
      case 39: /* ccons ::= CHECK LP expr RP */
{sqlite3AddCheckConstraint(pParse,yymsp[-1].minor.yy102);}
        break;
      case 40: /* ccons ::= REFERENCES nm eidlist_opt refargs */
{sqlite3CreateForeignKey(pParse,0,&yymsp[-2].minor.yy0,yymsp[-1].minor.yy94,yymsp[0].minor.yy100);}
        break;
      case 41: /* ccons ::= defer_subclause */
{sqlite3DeferForeignKey(pParse,yymsp[0].minor.yy100);}
        break;
      case 42: /* ccons ::= COLLATE ID|STRING */
{sqlite3AddCollateType(pParse, &yymsp[0].minor.yy0);}
        break;
      case 45: /* refargs ::= */
{ yymsp[1].minor.yy100 = OE_None*0x0101; /* EV: R-19803-45884 */}
        break;
      case 46: /* refargs ::= refargs refarg */
{ yymsp[-1].minor.yy100 = (yymsp[-1].minor.yy100 & ~yymsp[0].minor.yy199.mask) | yymsp[0].minor.yy199.value; }
        break;
      case 47: /* refarg ::= MATCH nm */
{ yymsp[-1].minor.yy199.value = 0;     yymsp[-1].minor.yy199.mask = 0x000000; }
        break;
      case 48: /* refarg ::= ON INSERT refact */
{ yymsp[-2].minor.yy199.value = 0;     yymsp[-2].minor.yy199.mask = 0x000000; }
        break;
      case 49: /* refarg ::= ON DELETE refact */
{ yymsp[-2].minor.yy199.value = yymsp[0].minor.yy100;     yymsp[-2].minor.yy199.mask = 0x0000ff; }
        break;
      case 50: /* refarg ::= ON UPDATE refact */
{ yymsp[-2].minor.yy199.value = yymsp[0].minor.yy100<<8;  yymsp[-2].minor.yy199.mask = 0x00ff00; }
        break;
      case 51: /* refact ::= SET NULL */
{ yymsp[-1].minor.yy100 = OE_SetNull;  /* EV: R-33326-45252 */}
        break;
      case 52: /* refact ::= SET DEFAULT */
{ yymsp[-1].minor.yy100 = OE_SetDflt;  /* EV: R-33326-45252 */}
        break;
      case 53: /* refact ::= CASCADE */
{ yymsp[0].minor.yy100 = OE_Cascade;  /* EV: R-33326-45252 */}
        break;
      case 54: /* refact ::= RESTRICT */
{ yymsp[0].minor.yy100 = OE_Restrict; /* EV: R-33326-45252 */}
        break;
      case 55: /* refact ::= NO ACTION */
{ yymsp[-1].minor.yy100 = OE_None;     /* EV: R-33326-45252 */}
        break;
      case 56: /* defer_subclause ::= NOT DEFERRABLE init_deferred_pred_opt */
{yymsp[-2].minor.yy100 = 0;}
        break;
      case 57: /* defer_subclause ::= DEFERRABLE init_deferred_pred_opt */
      case 72: /* orconf ::= OR resolvetype */ yytestcase(yyruleno==72);
      case 157: /* insert_cmd ::= INSERT orconf */ yytestcase(yyruleno==157);
{yymsp[-1].minor.yy100 = yymsp[0].minor.yy100;}
        break;
      case 59: /* init_deferred_pred_opt ::= INITIALLY DEFERRED */
      case 76: /* ifexists ::= IF EXISTS */ yytestcase(yyruleno==76);
      case 199: /* between_op ::= NOT BETWEEN */ yytestcase(yyruleno==199);
      case 202: /* in_op ::= NOT IN */ yytestcase(yyruleno==202);
      case 228: /* collate ::= COLLATE ID|STRING */ yytestcase(yyruleno==228);
{yymsp[-1].minor.yy100 = 1;}
        break;
      case 60: /* init_deferred_pred_opt ::= INITIALLY IMMEDIATE */
{yymsp[-1].minor.yy100 = 0;}
        break;
      case 62: /* tconscomma ::= COMMA */
{pParse->constraintName.n = 0;}
        break;
      case 64: /* tcons ::= PRIMARY KEY LP sortlist autoinc RP onconf */
{sqlite3AddPrimaryKey(pParse,yymsp[-3].minor.yy94,yymsp[0].minor.yy100,yymsp[-2].minor.yy100,0);}
        break;
      case 65: /* tcons ::= UNIQUE LP sortlist RP onconf */
{sqlite3CreateIndex(pParse,0,0,0,yymsp[-2].minor.yy94,yymsp[0].minor.yy100,0,0,0,0,
                                       SQLITE_IDXTYPE_UNIQUE);}
        break;
      case 66: /* tcons ::= CHECK LP expr RP onconf */
{sqlite3AddCheckConstraint(pParse,yymsp[-2].minor.yy102);}
        break;
      case 67: /* tcons ::= FOREIGN KEY LP eidlist RP REFERENCES nm eidlist_opt refargs defer_subclause_opt */
{
    sqlite3CreateForeignKey(pParse, yymsp[-6].minor.yy94, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy94, yymsp[-1].minor.yy100);
    sqlite3DeferForeignKey(pParse, yymsp[0].minor.yy100);
}
        break;
      case 69: /* onconf ::= */
      case 71: /* orconf ::= */ yytestcase(yyruleno==71);
{yymsp[1].minor.yy100 = OE_Default;}
        break;
      case 70: /* onconf ::= ON CONFLICT resolvetype */
{yymsp[-2].minor.yy100 = yymsp[0].minor.yy100;}
        break;
      case 73: /* resolvetype ::= IGNORE */
{yymsp[0].minor.yy100 = OE_Ignore;}
        break;
      case 74: /* resolvetype ::= REPLACE */
      case 158: /* insert_cmd ::= REPLACE */ yytestcase(yyruleno==158);
{yymsp[0].minor.yy100 = OE_Replace;}
        break;
      case 75: /* cmd ::= DROP TABLE ifexists fullname */
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy407, 0, yymsp[-1].minor.yy100);
}
        break;
      case 78: /* cmd ::= createkw temp VIEW ifnotexists nm dbnm eidlist_opt AS select */
{
  sqlite3CreateView(pParse, &yymsp[-8].minor.yy0, &yymsp[-4].minor.yy0, &yymsp[-3].minor.yy0, yymsp[-2].minor.yy94, yymsp[0].minor.yy391, yymsp[-7].minor.yy100, yymsp[-5].minor.yy100);
}
        break;
      case 79: /* cmd ::= DROP VIEW ifexists fullname */
{
  sqlite3DropTable(pParse, yymsp[0].minor.yy407, 1, yymsp[-1].minor.yy100);
}
        break;
      case 80: /* cmd ::= select */
{
  SelectDest dest = {SRT_Output, 0, 0, 0, 0, 0};
  sqlite3Select(pParse, yymsp[0].minor.yy391, &dest);
  sqlite3SelectDelete(pParse->db, yymsp[0].minor.yy391);
}
        break;
      case 81: /* select ::= WITH wqlist selectnowith */
{
  Select *p = yymsp[0].minor.yy391;
  if( p ){
    p->pWith = yymsp[-1].minor.yy243;
    parserDoubleLinkSelect(pParse, p);
  }else{
    sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy243);
  }
  yymsp[-2].minor.yy391 = p;
}
        break;
      case 82: /* select ::= WITH RECURSIVE wqlist selectnowith */
{
  Select *p = yymsp[0].minor.yy391;
  if( p ){
    p->pWith = yymsp[-1].minor.yy243;
    parserDoubleLinkSelect(pParse, p);
  }else{
    sqlite3WithDelete(pParse->db, yymsp[-1].minor.yy243);
  }
  yymsp[-3].minor.yy391 = p;
}
        break;
      case 83: /* select ::= selectnowith */
{
  Select *p = yymsp[0].minor.yy391;
  if( p ){
    parserDoubleLinkSelect(pParse, p);
  }
  yymsp[0].minor.yy391 = p; /*A-overwrites-X*/
}
        break;
      case 84: /* selectnowith ::= selectnowith multiselect_op oneselect */
{
  Select *pRhs = yymsp[0].minor.yy391;
  Select *pLhs = yymsp[-2].minor.yy391;
  if( pRhs && pRhs->pPrior ){
    SrcList *pFrom;
    Token x;
    x.n = 0;
    parserDoubleLinkSelect(pParse, pRhs);
    pFrom = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&x,pRhs,0,0);
    pRhs = sqlite3SelectNew(pParse,0,pFrom,0,0,0,0,0,0);
  }
  if( pRhs ){
    pRhs->op = (u8)yymsp[-1].minor.yy100;
    pRhs->pPrior = pLhs;
    if( ALWAYS(pLhs) ) pLhs->selFlags &= ~SF_MultiValue;
    pRhs->selFlags &= ~SF_MultiValue;
    if( yymsp[-1].minor.yy100!=TK_ALL ) pParse->hasCompound = 1;
  }else{
    sqlite3SelectDelete(pParse->db, pLhs);
  }
  yymsp[-2].minor.yy391 = pRhs;
}
        break;
      case 85: /* multiselect_op ::= UNION */
      case 87: /* multiselect_op ::= EXCEPT|INTERSECT */ yytestcase(yyruleno==87);
{yymsp[0].minor.yy100 = yymsp[0].major; /*A-overwrites-OP*/}
        break;
      case 86: /* multiselect_op ::= UNION ALL */
{yymsp[-1].minor.yy100 = TK_ALL;}
        break;
      case 88: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt orderby_opt limit_opt */
{
  yymsp[-8].minor.yy391 = sqlite3SelectNew(pParse,yymsp[-6].minor.yy94,yymsp[-5].minor.yy407,yymsp[-4].minor.yy102,yymsp[-3].minor.yy94,yymsp[-2].minor.yy102,yymsp[-1].minor.yy94,yymsp[-7].minor.yy100,yymsp[0].minor.yy102);
}
        break;
      case 89: /* oneselect ::= SELECT distinct selcollist from where_opt groupby_opt having_opt window_clause orderby_opt limit_opt */
{
  yymsp[-9].minor.yy391 = sqlite3SelectNew(pParse,yymsp[-7].minor.yy94,yymsp[-6].minor.yy407,yymsp[-5].minor.yy102,yymsp[-4].minor.yy94,yymsp[-3].minor.yy102,yymsp[-1].minor.yy94,yymsp[-8].minor.yy100,yymsp[0].minor.yy102);
  if( yymsp[-9].minor.yy391 ){
    yymsp[-9].minor.yy391->pWinDefn = yymsp[-2].minor.yy379;
  }else{
    sqlite3WindowListDelete(pParse->db, yymsp[-2].minor.yy379);
  }
}
        break;
      case 90: /* values ::= VALUES LP nexprlist RP */
{
  yymsp[-3].minor.yy391 = sqlite3SelectNew(pParse,yymsp[-1].minor.yy94,0,0,0,0,0,SF_Values,0);
}
        break;
      case 91: /* values ::= values COMMA LP nexprlist RP */
{
  Select *pRight, *pLeft = yymsp[-4].minor.yy391;
  pRight = sqlite3SelectNew(pParse,yymsp[-1].minor.yy94,0,0,0,0,0,SF_Values|SF_MultiValue,0);
  if( ALWAYS(pLeft) ) pLeft->selFlags &= ~SF_MultiValue;
  if( pRight ){
    pRight->op = TK_ALL;
    pRight->pPrior = pLeft;
    yymsp[-4].minor.yy391 = pRight;
  }else{
    yymsp[-4].minor.yy391 = pLeft;
  }
}
        break;
      case 92: /* distinct ::= DISTINCT */
{yymsp[0].minor.yy100 = SF_Distinct;}
        break;
      case 93: /* distinct ::= ALL */
{yymsp[0].minor.yy100 = SF_All;}
        break;
      case 95: /* sclp ::= */
      case 128: /* orderby_opt ::= */ yytestcase(yyruleno==128);
      case 135: /* groupby_opt ::= */ yytestcase(yyruleno==135);
      case 215: /* exprlist ::= */ yytestcase(yyruleno==215);
      case 218: /* paren_exprlist ::= */ yytestcase(yyruleno==218);
      case 223: /* eidlist_opt ::= */ yytestcase(yyruleno==223);
{yymsp[1].minor.yy94 = 0;}
        break;
      case 96: /* selcollist ::= sclp scanpt expr scanpt as */
{
   yymsp[-4].minor.yy94 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy94, yymsp[-2].minor.yy102);
   if( yymsp[0].minor.yy0.n>0 ) sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy94, &yymsp[0].minor.yy0, 1);
   sqlite3ExprListSetSpan(pParse,yymsp[-4].minor.yy94,yymsp[-3].minor.yy528,yymsp[-1].minor.yy528);
}
        break;
      case 97: /* selcollist ::= sclp scanpt STAR */
{
  Expr *p = sqlite3Expr(pParse->db, TK_ASTERISK, 0);
  yymsp[-2].minor.yy94 = sqlite3ExprListAppend(pParse, yymsp[-2].minor.yy94, p);
}
        break;
      case 98: /* selcollist ::= sclp scanpt nm DOT STAR */
{
  Expr *pRight = sqlite3PExpr(pParse, TK_ASTERISK, 0, 0);
  Expr *pLeft = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1);
  Expr *pDot = sqlite3PExpr(pParse, TK_DOT, pLeft, pRight);
  yymsp[-4].minor.yy94 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy94, pDot);
}
        break;
      case 99: /* as ::= AS nm */
      case 110: /* dbnm ::= DOT nm */ yytestcase(yyruleno==110);
      case 239: /* plus_num ::= PLUS INTEGER|FLOAT */ yytestcase(yyruleno==239);
      case 240: /* minus_num ::= MINUS INTEGER|FLOAT */ yytestcase(yyruleno==240);
{yymsp[-1].minor.yy0 = yymsp[0].minor.yy0;}
        break;
      case 101: /* from ::= */
{yymsp[1].minor.yy407 = sqlite3DbMallocZero(pParse->db, sizeof(*yymsp[1].minor.yy407));}
        break;
      case 102: /* from ::= FROM seltablist */
{
  yymsp[-1].minor.yy407 = yymsp[0].minor.yy407;
  sqlite3SrcListShiftJoinType(yymsp[-1].minor.yy407);
}
        break;
      case 103: /* stl_prefix ::= seltablist joinop */
{
   if( ALWAYS(yymsp[-1].minor.yy407 && yymsp[-1].minor.yy407->nSrc>0) ) yymsp[-1].minor.yy407->a[yymsp[-1].minor.yy407->nSrc-1].fg.jointype = (u8)yymsp[0].minor.yy100;
}
        break;
      case 104: /* stl_prefix ::= */
{yymsp[1].minor.yy407 = 0;}
        break;
      case 105: /* seltablist ::= stl_prefix nm dbnm as indexed_opt on_opt using_opt */
{
  yymsp[-6].minor.yy407 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy407,&yymsp[-5].minor.yy0,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,0,yymsp[-1].minor.yy102,yymsp[0].minor.yy76);
  sqlite3SrcListIndexedBy(pParse, yymsp[-6].minor.yy407, &yymsp[-2].minor.yy0);
}
        break;
      case 106: /* seltablist ::= stl_prefix nm dbnm LP exprlist RP as on_opt using_opt */
{
  yymsp[-8].minor.yy407 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-8].minor.yy407,&yymsp[-7].minor.yy0,&yymsp[-6].minor.yy0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy102,yymsp[0].minor.yy76);
  sqlite3SrcListFuncArgs(pParse, yymsp[-8].minor.yy407, yymsp[-4].minor.yy94);
}
        break;
      case 107: /* seltablist ::= stl_prefix LP select RP as on_opt using_opt */
{
    yymsp[-6].minor.yy407 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy407,0,0,&yymsp[-2].minor.yy0,yymsp[-4].minor.yy391,yymsp[-1].minor.yy102,yymsp[0].minor.yy76);
  }
        break;
      case 108: /* seltablist ::= stl_prefix LP seltablist RP as on_opt using_opt */
{
    if( yymsp[-6].minor.yy407==0 && yymsp[-2].minor.yy0.n==0 && yymsp[-1].minor.yy102==0 && yymsp[0].minor.yy76==0 ){
      yymsp[-6].minor.yy407 = yymsp[-4].minor.yy407;
    }else if( yymsp[-4].minor.yy407->nSrc==1 ){
      yymsp[-6].minor.yy407 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy407,0,0,&yymsp[-2].minor.yy0,0,yymsp[-1].minor.yy102,yymsp[0].minor.yy76);
      if( yymsp[-6].minor.yy407 ){
        struct SrcList_item *pNew = &yymsp[-6].minor.yy407->a[yymsp[-6].minor.yy407->nSrc-1];
        struct SrcList_item *pOld = yymsp[-4].minor.yy407->a;
        pNew->zName = pOld->zName;
        pNew->zDatabase = pOld->zDatabase;
        pNew->pSelect = pOld->pSelect;
        if( pOld->fg.isTabFunc ){
          pNew->u1.pFuncArg = pOld->u1.pFuncArg;
          pOld->u1.pFuncArg = 0;
          pOld->fg.isTabFunc = 0;
          pNew->fg.isTabFunc = 1;
        }
        pOld->zName = pOld->zDatabase = 0;
        pOld->pSelect = 0;
      }
      sqlite3SrcListDelete(pParse->db, yymsp[-4].minor.yy407);
    }else{
      Select *pSubquery;
      sqlite3SrcListShiftJoinType(yymsp[-4].minor.yy407);
      pSubquery = sqlite3SelectNew(pParse,0,yymsp[-4].minor.yy407,0,0,0,0,SF_NestedFrom,0);
      yymsp[-6].minor.yy407 = sqlite3SrcListAppendFromTerm(pParse,yymsp[-6].minor.yy407,0,0,&yymsp[-2].minor.yy0,pSubquery,yymsp[-1].minor.yy102,yymsp[0].minor.yy76);
    }
  }
        break;
      case 109: /* dbnm ::= */
      case 123: /* indexed_opt ::= */ yytestcase(yyruleno==123);
{yymsp[1].minor.yy0.z=0; yymsp[1].minor.yy0.n=0;}
        break;
      case 111: /* fullname ::= nm */
{
  yylhsminor.yy407 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0);
  if( IN_RENAME_OBJECT && yylhsminor.yy407 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy407->a[0].zName, &yymsp[0].minor.yy0);
}
  yymsp[0].minor.yy407 = yylhsminor.yy407;
        break;
      case 112: /* fullname ::= nm DOT nm */
{
  yylhsminor.yy407 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0);
  if( IN_RENAME_OBJECT && yylhsminor.yy407 ) sqlite3RenameTokenMap(pParse, yylhsminor.yy407->a[0].zName, &yymsp[0].minor.yy0);
}
  yymsp[-2].minor.yy407 = yylhsminor.yy407;
        break;
      case 113: /* xfullname ::= nm */
{yymsp[0].minor.yy407 = sqlite3SrcListAppend(pParse,0,&yymsp[0].minor.yy0,0); /*A-overwrites-X*/}
        break;
      case 114: /* xfullname ::= nm DOT nm */
{yymsp[-2].minor.yy407 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0); /*A-overwrites-X*/}
        break;
      case 115: /* xfullname ::= nm DOT nm AS nm */
{
   yymsp[-4].minor.yy407 = sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,&yymsp[-2].minor.yy0); /*A-overwrites-X*/
   if( yymsp[-4].minor.yy407 ) yymsp[-4].minor.yy407->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0);
}
        break;
      case 116: /* xfullname ::= nm AS nm */
{  
   yymsp[-2].minor.yy407 = sqlite3SrcListAppend(pParse,0,&yymsp[-2].minor.yy0,0); /*A-overwrites-X*/
   if( yymsp[-2].minor.yy407 ) yymsp[-2].minor.yy407->a[0].zAlias = sqlite3NameFromToken(pParse->db, &yymsp[0].minor.yy0);
}
        break;
      case 117: /* joinop ::= COMMA|JOIN */
{ yymsp[0].minor.yy100 = JT_INNER; }
        break;
      case 118: /* joinop ::= JOIN_KW JOIN */
{yymsp[-1].minor.yy100 = sqlite3JoinType(pParse,&yymsp[-1].minor.yy0,0,0);  /*X-overwrites-A*/}
        break;
      case 119: /* joinop ::= JOIN_KW nm JOIN */
{yymsp[-2].minor.yy100 = sqlite3JoinType(pParse,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0,0); /*X-overwrites-A*/}
        break;
      case 120: /* joinop ::= JOIN_KW nm nm JOIN */
{yymsp[-3].minor.yy100 = sqlite3JoinType(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);/*X-overwrites-A*/}
        break;
      case 121: /* on_opt ::= ON expr */
      case 138: /* having_opt ::= HAVING expr */ yytestcase(yyruleno==138);
      case 145: /* where_opt ::= WHERE expr */ yytestcase(yyruleno==145);
      case 211: /* case_else ::= ELSE expr */ yytestcase(yyruleno==211);
      case 232: /* vinto ::= INTO expr */ yytestcase(yyruleno==232);
{yymsp[-1].minor.yy102 = yymsp[0].minor.yy102;}
        break;
      case 122: /* on_opt ::= */
      case 137: /* having_opt ::= */ yytestcase(yyruleno==137);
      case 139: /* limit_opt ::= */ yytestcase(yyruleno==139);
      case 144: /* where_opt ::= */ yytestcase(yyruleno==144);
      case 212: /* case_else ::= */ yytestcase(yyruleno==212);
      case 214: /* case_operand ::= */ yytestcase(yyruleno==214);
      case 233: /* vinto ::= */ yytestcase(yyruleno==233);
{yymsp[1].minor.yy102 = 0;}
        break;
      case 124: /* indexed_opt ::= INDEXED BY nm */
{yymsp[-2].minor.yy0 = yymsp[0].minor.yy0;}
        break;
      case 125: /* indexed_opt ::= NOT INDEXED */
{yymsp[-1].minor.yy0.z=0; yymsp[-1].minor.yy0.n=1;}
        break;
      case 126: /* using_opt ::= USING LP idlist RP */
{yymsp[-3].minor.yy76 = yymsp[-1].minor.yy76;}
        break;
      case 127: /* using_opt ::= */
      case 159: /* idlist_opt ::= */ yytestcase(yyruleno==159);
{yymsp[1].minor.yy76 = 0;}
        break;
      case 129: /* orderby_opt ::= ORDER BY sortlist */
      case 136: /* groupby_opt ::= GROUP BY nexprlist */ yytestcase(yyruleno==136);
{yymsp[-2].minor.yy94 = yymsp[0].minor.yy94;}
        break;
      case 130: /* sortlist ::= sortlist COMMA expr sortorder */
{
  yymsp[-3].minor.yy94 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy94,yymsp[-1].minor.yy102);
  sqlite3ExprListSetSortOrder(yymsp[-3].minor.yy94,yymsp[0].minor.yy100);
}
        break;
      case 131: /* sortlist ::= expr sortorder */
{
  yymsp[-1].minor.yy94 = sqlite3ExprListAppend(pParse,0,yymsp[-1].minor.yy102); /*A-overwrites-Y*/
  sqlite3ExprListSetSortOrder(yymsp[-1].minor.yy94,yymsp[0].minor.yy100);
}
        break;
      case 132: /* sortorder ::= ASC */
{yymsp[0].minor.yy100 = SQLITE_SO_ASC;}
        break;
      case 133: /* sortorder ::= DESC */
{yymsp[0].minor.yy100 = SQLITE_SO_DESC;}
        break;
      case 134: /* sortorder ::= */

{yymsp[1].minor.yy100 = SQLITE_SO_UNDEFINED;}
        break;






      case 140: /* limit_opt ::= LIMIT expr */
{yymsp[-1].minor.yy102 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy102,0);}
        break;
      case 141: /* limit_opt ::= LIMIT expr OFFSET expr */
{yymsp[-3].minor.yy102 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[-2].minor.yy102,yymsp[0].minor.yy102);}
        break;
      case 142: /* limit_opt ::= LIMIT expr COMMA expr */
{yymsp[-3].minor.yy102 = sqlite3PExpr(pParse,TK_LIMIT,yymsp[0].minor.yy102,yymsp[-2].minor.yy102);}
        break;
      case 143: /* cmd ::= with DELETE FROM xfullname indexed_opt where_opt */
{
  sqlite3SrcListIndexedBy(pParse, yymsp[-2].minor.yy407, &yymsp[-1].minor.yy0);
  sqlite3DeleteFrom(pParse,yymsp[-2].minor.yy407,yymsp[0].minor.yy102,0,0);
}
        break;
      case 146: /* cmd ::= with UPDATE orconf xfullname indexed_opt SET setlist where_opt */
{
  sqlite3SrcListIndexedBy(pParse, yymsp[-4].minor.yy407, &yymsp[-3].minor.yy0);
  sqlite3ExprListCheckLength(pParse,yymsp[-1].minor.yy94,"set list"); 
  sqlite3Update(pParse,yymsp[-4].minor.yy407,yymsp[-1].minor.yy94,yymsp[0].minor.yy102,yymsp[-5].minor.yy100,0,0,0);

}
        break;
      case 147: /* setlist ::= setlist COMMA nm EQ expr */
{
  yymsp[-4].minor.yy94 = sqlite3ExprListAppend(pParse, yymsp[-4].minor.yy94, yymsp[0].minor.yy102);
  sqlite3ExprListSetName(pParse, yymsp[-4].minor.yy94, &yymsp[-2].minor.yy0, 1);
}
        break;
      case 148: /* setlist ::= setlist COMMA LP idlist RP EQ expr */
{
  yymsp[-6].minor.yy94 = sqlite3ExprListAppendVector(pParse, yymsp[-6].minor.yy94, yymsp[-3].minor.yy76, yymsp[0].minor.yy102);
}
        break;
      case 149: /* setlist ::= nm EQ expr */
{
  yylhsminor.yy94 = sqlite3ExprListAppend(pParse, 0, yymsp[0].minor.yy102);
  sqlite3ExprListSetName(pParse, yylhsminor.yy94, &yymsp[-2].minor.yy0, 1);
}
  yymsp[-2].minor.yy94 = yylhsminor.yy94;
        break;
      case 150: /* setlist ::= LP idlist RP EQ expr */
{
  yymsp[-4].minor.yy94 = sqlite3ExprListAppendVector(pParse, 0, yymsp[-3].minor.yy76, yymsp[0].minor.yy102);
}
        break;
      case 151: /* cmd ::= with insert_cmd INTO xfullname idlist_opt select upsert */
{
  sqlite3Insert(pParse, yymsp[-3].minor.yy407, yymsp[-1].minor.yy391, yymsp[-2].minor.yy76, yymsp[-5].minor.yy100, yymsp[0].minor.yy95);

}
        break;
      case 152: /* cmd ::= with insert_cmd INTO xfullname idlist_opt DEFAULT VALUES */
{
  sqlite3Insert(pParse, yymsp[-3].minor.yy407, 0, yymsp[-2].minor.yy76, yymsp[-5].minor.yy100, 0);
}
        break;
      case 153: /* upsert ::= */
{ yymsp[1].minor.yy95 = 0; }
        break;
      case 154: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO UPDATE SET setlist where_opt */
{ yymsp[-10].minor.yy95 = sqlite3UpsertNew(pParse->db,yymsp[-7].minor.yy94,yymsp[-5].minor.yy102,yymsp[-1].minor.yy94,yymsp[0].minor.yy102);}

        break;
      case 155: /* upsert ::= ON CONFLICT LP sortlist RP where_opt DO NOTHING */
{ yymsp[-7].minor.yy95 = sqlite3UpsertNew(pParse->db,yymsp[-4].minor.yy94,yymsp[-2].minor.yy102,0,0); }
        break;
      case 156: /* upsert ::= ON CONFLICT DO NOTHING */
{ yymsp[-3].minor.yy95 = sqlite3UpsertNew(pParse->db,0,0,0,0); }
        break;
      case 160: /* idlist_opt ::= LP idlist RP */
{yymsp[-2].minor.yy76 = yymsp[-1].minor.yy76;}
        break;
      case 161: /* idlist ::= idlist COMMA nm */
{yymsp[-2].minor.yy76 = sqlite3IdListAppend(pParse,yymsp[-2].minor.yy76,&yymsp[0].minor.yy0);}
        break;
      case 162: /* idlist ::= nm */
{yymsp[0].minor.yy76 = sqlite3IdListAppend(pParse,0,&yymsp[0].minor.yy0); /*A-overwrites-Y*/}
        break;
      case 163: /* expr ::= LP expr RP */
{yymsp[-2].minor.yy102 = yymsp[-1].minor.yy102;}
        break;
      case 164: /* expr ::= ID|INDEXED */
      case 165: /* expr ::= JOIN_KW */ yytestcase(yyruleno==165);
{yymsp[0].minor.yy102=tokenExpr(pParse,TK_ID,yymsp[0].minor.yy0); /*A-overwrites-X*/}
        break;
      case 166: /* expr ::= nm DOT nm */
{
  Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1);
  Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1);
  if( IN_RENAME_OBJECT ){
    sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[0].minor.yy0);
    sqlite3RenameTokenMap(pParse, (void*)temp1, &yymsp[-2].minor.yy0);
  }
  yylhsminor.yy102 = sqlite3PExpr(pParse, TK_DOT, temp1, temp2);
}
  yymsp[-2].minor.yy102 = yylhsminor.yy102;
        break;
      case 167: /* expr ::= nm DOT nm DOT nm */
{
  Expr *temp1 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-4].minor.yy0, 1);
  Expr *temp2 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[-2].minor.yy0, 1);
  Expr *temp3 = sqlite3ExprAlloc(pParse->db, TK_ID, &yymsp[0].minor.yy0, 1);
  Expr *temp4 = sqlite3PExpr(pParse, TK_DOT, temp2, temp3);
  if( IN_RENAME_OBJECT ){
    sqlite3RenameTokenMap(pParse, (void*)temp3, &yymsp[0].minor.yy0);
    sqlite3RenameTokenMap(pParse, (void*)temp2, &yymsp[-2].minor.yy0);
  }
  yylhsminor.yy102 = sqlite3PExpr(pParse, TK_DOT, temp1, temp4);
}
  yymsp[-4].minor.yy102 = yylhsminor.yy102;
        break;
      case 168: /* term ::= NULL|FLOAT|BLOB */
      case 169: /* term ::= STRING */ yytestcase(yyruleno==169);
{yymsp[0].minor.yy102=tokenExpr(pParse,yymsp[0].major,yymsp[0].minor.yy0); /*A-overwrites-X*/}
        break;
      case 170: /* term ::= INTEGER */
{
  yylhsminor.yy102 = sqlite3ExprAlloc(pParse->db, TK_INTEGER, &yymsp[0].minor.yy0, 1);
}
  yymsp[0].minor.yy102 = yylhsminor.yy102;
        break;
      case 171: /* expr ::= VARIABLE */
{
  if( !(yymsp[0].minor.yy0.z[0]=='#' && sqlite3Isdigit(yymsp[0].minor.yy0.z[1])) ){
    u32 n = yymsp[0].minor.yy0.n;
    yymsp[0].minor.yy102 = tokenExpr(pParse, TK_VARIABLE, yymsp[0].minor.yy0);
    sqlite3ExprAssignVarNumber(pParse, yymsp[0].minor.yy102, n);
  }else{
    /* When doing a nested parse, one can include terms in an expression
    ** that look like this:   #1 #2 ...  These terms refer to registers
    ** in the virtual machine.  #N is the N-th register. */
    Token t = yymsp[0].minor.yy0; /*A-overwrites-X*/
    assert( t.n>=2 );
    if( pParse->nested==0 ){
      sqlite3ErrorMsg(pParse, "near \"%T\": syntax error", &t);
      yymsp[0].minor.yy102 = 0;
    }else{
      yymsp[0].minor.yy102 = sqlite3PExpr(pParse, TK_REGISTER, 0, 0);
      if( yymsp[0].minor.yy102 ) sqlite3GetInt32(&t.z[1], &yymsp[0].minor.yy102->iTable);
    }
  }
}
        break;
      case 172: /* expr ::= expr COLLATE ID|STRING */
{
  yymsp[-2].minor.yy102 = sqlite3ExprAddCollateToken(pParse, yymsp[-2].minor.yy102, &yymsp[0].minor.yy0, 1);
}
        break;
      case 173: /* expr ::= CAST LP expr AS typetoken RP */
{
  yymsp[-5].minor.yy102 = sqlite3ExprAlloc(pParse->db, TK_CAST, &yymsp[-1].minor.yy0, 1);
  sqlite3ExprAttachSubtrees(pParse->db, yymsp[-5].minor.yy102, yymsp[-3].minor.yy102, 0);
}
        break;
      case 174: /* expr ::= ID|INDEXED LP distinct exprlist RP */
{
  yylhsminor.yy102 = sqlite3ExprFunction(pParse, yymsp[-1].minor.yy94, &yymsp[-4].minor.yy0, yymsp[-2].minor.yy100);
}
  yymsp[-4].minor.yy102 = yylhsminor.yy102;
        break;
      case 175: /* expr ::= ID|INDEXED LP STAR RP */
{
  yylhsminor.yy102 = sqlite3ExprFunction(pParse, 0, &yymsp[-3].minor.yy0, 0);
}
  yymsp[-3].minor.yy102 = yylhsminor.yy102;
        break;
      case 176: /* expr ::= ID|INDEXED LP distinct exprlist RP over_clause */
{
  yylhsminor.yy102 = sqlite3ExprFunction(pParse, yymsp[-2].minor.yy94, &yymsp[-5].minor.yy0, yymsp[-3].minor.yy100);
  sqlite3WindowAttach(pParse, yylhsminor.yy102, yymsp[0].minor.yy379);
}
  yymsp[-5].minor.yy102 = yylhsminor.yy102;
        break;
      case 177: /* expr ::= ID|INDEXED LP STAR RP over_clause */
{
  yylhsminor.yy102 = sqlite3ExprFunction(pParse, 0, &yymsp[-4].minor.yy0, 0);
  sqlite3WindowAttach(pParse, yylhsminor.yy102, yymsp[0].minor.yy379);
}
  yymsp[-4].minor.yy102 = yylhsminor.yy102;
        break;
      case 178: /* term ::= CTIME_KW */
{
  yylhsminor.yy102 = sqlite3ExprFunction(pParse, 0, &yymsp[0].minor.yy0, 0);
}
  yymsp[0].minor.yy102 = yylhsminor.yy102;
        break;
      case 179: /* expr ::= LP nexprlist COMMA expr RP */
{
  ExprList *pList = sqlite3ExprListAppend(pParse, yymsp[-3].minor.yy94, yymsp[-1].minor.yy102);
  yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_VECTOR, 0, 0);
  if( yymsp[-4].minor.yy102 ){
    yymsp[-4].minor.yy102->x.pList = pList;
  }else{
    sqlite3ExprListDelete(pParse->db, pList);
  }
}
        break;
      case 180: /* expr ::= expr AND expr */
{yymsp[-2].minor.yy102=sqlite3ExprAnd(pParse,yymsp[-2].minor.yy102,yymsp[0].minor.yy102);}
        break;
      case 181: /* expr ::= expr OR expr */
      case 182: /* expr ::= expr LT|GT|GE|LE expr */ yytestcase(yyruleno==182);
      case 183: /* expr ::= expr EQ|NE expr */ yytestcase(yyruleno==183);
      case 184: /* expr ::= expr BITAND|BITOR|LSHIFT|RSHIFT expr */ yytestcase(yyruleno==184);
      case 185: /* expr ::= expr PLUS|MINUS expr */ yytestcase(yyruleno==185);
      case 186: /* expr ::= expr STAR|SLASH|REM expr */ yytestcase(yyruleno==186);
      case 187: /* expr ::= expr CONCAT expr */ yytestcase(yyruleno==187);
{yymsp[-2].minor.yy102=sqlite3PExpr(pParse,yymsp[-1].major,yymsp[-2].minor.yy102,yymsp[0].minor.yy102);}
        break;
      case 188: /* likeop ::= NOT LIKE_KW|MATCH */
{yymsp[-1].minor.yy0=yymsp[0].minor.yy0; yymsp[-1].minor.yy0.n|=0x80000000; /*yymsp[-1].minor.yy0-overwrite-yymsp[0].minor.yy0*/}
        break;
      case 189: /* expr ::= expr likeop expr */
{
  ExprList *pList;
  int bNot = yymsp[-1].minor.yy0.n & 0x80000000;
  yymsp[-1].minor.yy0.n &= 0x7fffffff;
  pList = sqlite3ExprListAppend(pParse,0, yymsp[0].minor.yy102);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[-2].minor.yy102);
  yymsp[-2].minor.yy102 = sqlite3ExprFunction(pParse, pList, &yymsp[-1].minor.yy0, 0);
  if( bNot ) yymsp[-2].minor.yy102 = sqlite3PExpr(pParse, TK_NOT, yymsp[-2].minor.yy102, 0);
  if( yymsp[-2].minor.yy102 ) yymsp[-2].minor.yy102->flags |= EP_InfixFunc;
}
        break;
      case 190: /* expr ::= expr likeop expr ESCAPE expr */
{
  ExprList *pList;
  int bNot = yymsp[-3].minor.yy0.n & 0x80000000;
  yymsp[-3].minor.yy0.n &= 0x7fffffff;
  pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy102);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[-4].minor.yy102);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy102);
  yymsp[-4].minor.yy102 = sqlite3ExprFunction(pParse, pList, &yymsp[-3].minor.yy0, 0);
  if( bNot ) yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy102, 0);
  if( yymsp[-4].minor.yy102 ) yymsp[-4].minor.yy102->flags |= EP_InfixFunc;
}
        break;
      case 191: /* expr ::= expr ISNULL|NOTNULL */
{yymsp[-1].minor.yy102 = sqlite3PExpr(pParse,yymsp[0].major,yymsp[-1].minor.yy102,0);}
        break;
      case 192: /* expr ::= expr NOT NULL */
{yymsp[-2].minor.yy102 = sqlite3PExpr(pParse,TK_NOTNULL,yymsp[-2].minor.yy102,0);}
        break;
      case 193: /* expr ::= expr IS expr */
{
  yymsp[-2].minor.yy102 = sqlite3PExpr(pParse,TK_IS,yymsp[-2].minor.yy102,yymsp[0].minor.yy102);
  binaryToUnaryIfNull(pParse, yymsp[0].minor.yy102, yymsp[-2].minor.yy102, TK_ISNULL);
}
        break;
      case 194: /* expr ::= expr IS NOT expr */
{
  yymsp[-3].minor.yy102 = sqlite3PExpr(pParse,TK_ISNOT,yymsp[-3].minor.yy102,yymsp[0].minor.yy102);
  binaryToUnaryIfNull(pParse, yymsp[0].minor.yy102, yymsp[-3].minor.yy102, TK_NOTNULL);
}
        break;
      case 195: /* expr ::= NOT expr */
      case 196: /* expr ::= BITNOT expr */ yytestcase(yyruleno==196);
{yymsp[-1].minor.yy102 = sqlite3PExpr(pParse, yymsp[-1].major, yymsp[0].minor.yy102, 0);/*A-overwrites-B*/}
        break;
      case 197: /* expr ::= PLUS|MINUS expr */
{
  yymsp[-1].minor.yy102 = sqlite3PExpr(pParse, yymsp[-1].major==TK_PLUS ? TK_UPLUS : TK_UMINUS, yymsp[0].minor.yy102, 0);
  /*A-overwrites-B*/
}
        break;
      case 198: /* between_op ::= BETWEEN */
      case 201: /* in_op ::= IN */ yytestcase(yyruleno==201);
{yymsp[0].minor.yy100 = 0;}
        break;
      case 200: /* expr ::= expr between_op expr AND expr */
{
  ExprList *pList = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy102);
  pList = sqlite3ExprListAppend(pParse,pList, yymsp[0].minor.yy102);
  yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_BETWEEN, yymsp[-4].minor.yy102, 0);
  if( yymsp[-4].minor.yy102 ){
    yymsp[-4].minor.yy102->x.pList = pList;
  }else{
    sqlite3ExprListDelete(pParse->db, pList);
  } 
  if( yymsp[-3].minor.yy100 ) yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy102, 0);
}
        break;
      case 203: /* expr ::= expr in_op LP exprlist RP */
{
    if( yymsp[-1].minor.yy94==0 ){
      /* Expressions of the form
      **
      **      expr1 IN ()
      **      expr1 NOT IN ()
      **
      ** simplify to constants 0 (false) and 1 (true), respectively,
      ** regardless of the value of expr1.
      */
      sqlite3ExprUnmapAndDelete(pParse, yymsp[-4].minor.yy102);
      yymsp[-4].minor.yy102 = sqlite3ExprAlloc(pParse->db, TK_INTEGER,&sqlite3IntTokens[yymsp[-3].minor.yy100],1);
    }else if( yymsp[-1].minor.yy94->nExpr==1 ){
      /* Expressions of the form:
      **
      **      expr1 IN (?1)
      **      expr1 NOT IN (?2)
      **
      ** with exactly one value on the RHS can be simplified to something
      ** like this:
      **
      **      expr1 == ?1
      **      expr1 <> ?2
      **
      ** But, the RHS of the == or <> is marked with the EP_Generic flag
      ** so that it may not contribute to the computation of comparison
      ** affinity or the collating sequence to use for comparison.  Otherwise,
      ** the semantics would be subtly different from IN or NOT IN.
      */
      Expr *pRHS = yymsp[-1].minor.yy94->a[0].pExpr;
      yymsp[-1].minor.yy94->a[0].pExpr = 0;
      sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy94);
      /* pRHS cannot be NULL because a malloc error would have been detected
      ** before now and control would have never reached this point */
      if( ALWAYS(pRHS) ){
        pRHS->flags &= ~EP_Collate;
        pRHS->flags |= EP_Generic;
      }
      yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, yymsp[-3].minor.yy100 ? TK_NE : TK_EQ, yymsp[-4].minor.yy102, pRHS);
    }else{
      yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy102, 0);
      if( yymsp[-4].minor.yy102 ){
        yymsp[-4].minor.yy102->x.pList = yymsp[-1].minor.yy94;
        sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy102);
      }else{
        sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy94);
      }
      if( yymsp[-3].minor.yy100 ) yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy102, 0);
    }
  }
        break;
      case 204: /* expr ::= LP select RP */
{
    yymsp[-2].minor.yy102 = sqlite3PExpr(pParse, TK_SELECT, 0, 0);
    sqlite3PExprAddSelect(pParse, yymsp[-2].minor.yy102, yymsp[-1].minor.yy391);
  }
        break;
      case 205: /* expr ::= expr in_op LP select RP */
{
    yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy102, 0);
    sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy102, yymsp[-1].minor.yy391);
    if( yymsp[-3].minor.yy100 ) yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy102, 0);
  }
        break;
      case 206: /* expr ::= expr in_op nm dbnm paren_exprlist */
{
    SrcList *pSrc = sqlite3SrcListAppend(pParse, 0,&yymsp[-2].minor.yy0,&yymsp[-1].minor.yy0);
    Select *pSelect = sqlite3SelectNew(pParse, 0,pSrc,0,0,0,0,0,0);
    if( yymsp[0].minor.yy94 )  sqlite3SrcListFuncArgs(pParse, pSelect ? pSrc : 0, yymsp[0].minor.yy94);
    yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_IN, yymsp[-4].minor.yy102, 0);
    sqlite3PExprAddSelect(pParse, yymsp[-4].minor.yy102, pSelect);
    if( yymsp[-3].minor.yy100 ) yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_NOT, yymsp[-4].minor.yy102, 0);
  }
        break;
      case 207: /* expr ::= EXISTS LP select RP */
{
    Expr *p;
    p = yymsp[-3].minor.yy102 = sqlite3PExpr(pParse, TK_EXISTS, 0, 0);
    sqlite3PExprAddSelect(pParse, p, yymsp[-1].minor.yy391);
  }
        break;
      case 208: /* expr ::= CASE case_operand case_exprlist case_else END */
{
  yymsp[-4].minor.yy102 = sqlite3PExpr(pParse, TK_CASE, yymsp[-3].minor.yy102, 0);
  if( yymsp[-4].minor.yy102 ){
    yymsp[-4].minor.yy102->x.pList = yymsp[-1].minor.yy102 ? sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy94,yymsp[-1].minor.yy102) : yymsp[-2].minor.yy94;

    sqlite3ExprSetHeightAndFlags(pParse, yymsp[-4].minor.yy102);
  }else{
    sqlite3ExprListDelete(pParse->db, yymsp[-2].minor.yy94);
    sqlite3ExprDelete(pParse->db, yymsp[-1].minor.yy102);
  }
}
        break;
      case 209: /* case_exprlist ::= case_exprlist WHEN expr THEN expr */
{
  yymsp[-4].minor.yy94 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy94, yymsp[-2].minor.yy102);
  yymsp[-4].minor.yy94 = sqlite3ExprListAppend(pParse,yymsp[-4].minor.yy94, yymsp[0].minor.yy102);
}
        break;
      case 210: /* case_exprlist ::= WHEN expr THEN expr */
{
  yymsp[-3].minor.yy94 = sqlite3ExprListAppend(pParse,0, yymsp[-2].minor.yy102);
  yymsp[-3].minor.yy94 = sqlite3ExprListAppend(pParse,yymsp[-3].minor.yy94, yymsp[0].minor.yy102);
}
        break;
      case 213: /* case_operand ::= expr */
{yymsp[0].minor.yy102 = yymsp[0].minor.yy102; /*A-overwrites-X*/}

        break;
      case 216: /* nexprlist ::= nexprlist COMMA expr */
{yymsp[-2].minor.yy94 = sqlite3ExprListAppend(pParse,yymsp[-2].minor.yy94,yymsp[0].minor.yy102);}
        break;
      case 217: /* nexprlist ::= expr */
{yymsp[0].minor.yy94 = sqlite3ExprListAppend(pParse,0,yymsp[0].minor.yy102); /*A-overwrites-Y*/}
        break;
      case 219: /* paren_exprlist ::= LP exprlist RP */
      case 224: /* eidlist_opt ::= LP eidlist RP */ yytestcase(yyruleno==224);
{yymsp[-2].minor.yy94 = yymsp[-1].minor.yy94;}
        break;
      case 220: /* cmd ::= createkw uniqueflag INDEX ifnotexists nm dbnm ON nm LP sortlist RP where_opt */
{
  sqlite3CreateIndex(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, 
                     sqlite3SrcListAppend(pParse,0,&yymsp[-4].minor.yy0,0), yymsp[-2].minor.yy94, yymsp[-10].minor.yy100,
                      &yymsp[-11].minor.yy0, yymsp[0].minor.yy102, SQLITE_SO_ASC, yymsp[-8].minor.yy100, SQLITE_IDXTYPE_APPDEF);
  if( IN_RENAME_OBJECT && pParse->pNewIndex ){
    sqlite3RenameTokenMap(pParse, pParse->pNewIndex->zName, &yymsp[-4].minor.yy0);
  }
}
        break;
      case 221: /* uniqueflag ::= UNIQUE */
      case 263: /* raisetype ::= ABORT */ yytestcase(yyruleno==263);
{yymsp[0].minor.yy100 = OE_Abort;}
        break;
      case 222: /* uniqueflag ::= */
{yymsp[1].minor.yy100 = OE_None;}
        break;
      case 225: /* eidlist ::= eidlist COMMA nm collate sortorder */
{
  yymsp[-4].minor.yy94 = parserAddExprIdListTerm(pParse, yymsp[-4].minor.yy94, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy100, yymsp[0].minor.yy100);
}
        break;
      case 226: /* eidlist ::= nm collate sortorder */
{
  yymsp[-2].minor.yy94 = parserAddExprIdListTerm(pParse, 0, &yymsp[-2].minor.yy0, yymsp[-1].minor.yy100, yymsp[0].minor.yy100); /*A-overwrites-Y*/
}
        break;
      case 229: /* cmd ::= DROP INDEX ifexists fullname */
{sqlite3DropIndex(pParse, yymsp[0].minor.yy407, yymsp[-1].minor.yy100);}
        break;
      case 230: /* cmd ::= VACUUM vinto */
{sqlite3Vacuum(pParse,0,yymsp[0].minor.yy102);}
        break;
      case 231: /* cmd ::= VACUUM nm vinto */
{sqlite3Vacuum(pParse,&yymsp[-1].minor.yy0,yymsp[0].minor.yy102);}
        break;
      case 234: /* cmd ::= PRAGMA nm dbnm */
{sqlite3Pragma(pParse,&yymsp[-1].minor.yy0,&yymsp[0].minor.yy0,0,0);}
        break;
      case 235: /* cmd ::= PRAGMA nm dbnm EQ nmnum */
{sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,0);}
        break;
      case 236: /* cmd ::= PRAGMA nm dbnm LP nmnum RP */
{sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,0);}
        break;
      case 237: /* cmd ::= PRAGMA nm dbnm EQ minus_num */
{sqlite3Pragma(pParse,&yymsp[-3].minor.yy0,&yymsp[-2].minor.yy0,&yymsp[0].minor.yy0,1);}
        break;
      case 238: /* cmd ::= PRAGMA nm dbnm LP minus_num RP */
{sqlite3Pragma(pParse,&yymsp[-4].minor.yy0,&yymsp[-3].minor.yy0,&yymsp[-1].minor.yy0,1);}
        break;
      case 241: /* cmd ::= createkw trigger_decl BEGIN trigger_cmd_list END */
{
  Token all;
  all.z = yymsp[-3].minor.yy0.z;
  all.n = (int)(yymsp[0].minor.yy0.z - yymsp[-3].minor.yy0.z) + yymsp[0].minor.yy0.n;
  sqlite3FinishTrigger(pParse, yymsp[-1].minor.yy11, &all);
}
        break;
      case 242: /* trigger_decl ::= temp TRIGGER ifnotexists nm dbnm trigger_time trigger_event ON fullname foreach_clause when_clause */
{
  sqlite3BeginTrigger(pParse, &yymsp[-7].minor.yy0, &yymsp[-6].minor.yy0, yymsp[-5].minor.yy100, yymsp[-4].minor.yy298.a, yymsp[-4].minor.yy298.b, yymsp[-2].minor.yy407, yymsp[0].minor.yy102, yymsp[-10].minor.yy100, yymsp[-8].minor.yy100);
  yymsp[-10].minor.yy0 = (yymsp[-6].minor.yy0.n==0?yymsp[-7].minor.yy0:yymsp[-6].minor.yy0); /*A-overwrites-T*/
}
        break;
      case 243: /* trigger_time ::= BEFORE|AFTER */
{ yymsp[0].minor.yy100 = yymsp[0].major; /*A-overwrites-X*/ }
        break;
      case 244: /* trigger_time ::= INSTEAD OF */
{ yymsp[-1].minor.yy100 = TK_INSTEAD;}
        break;
      case 245: /* trigger_time ::= */
{ yymsp[1].minor.yy100 = TK_BEFORE; }
        break;
      case 246: /* trigger_event ::= DELETE|INSERT */
      case 247: /* trigger_event ::= UPDATE */ yytestcase(yyruleno==247);
{yymsp[0].minor.yy298.a = yymsp[0].major; /*A-overwrites-X*/ yymsp[0].minor.yy298.b = 0;}
        break;
      case 248: /* trigger_event ::= UPDATE OF idlist */
{yymsp[-2].minor.yy298.a = TK_UPDATE; yymsp[-2].minor.yy298.b = yymsp[0].minor.yy76;}
        break;
      case 249: /* when_clause ::= */
      case 268: /* key_opt ::= */ yytestcase(yyruleno==268);
      case 316: /* filter_opt ::= */ yytestcase(yyruleno==316);
{ yymsp[1].minor.yy102 = 0; }
        break;
      case 250: /* when_clause ::= WHEN expr */
      case 269: /* key_opt ::= KEY expr */ yytestcase(yyruleno==269);
{ yymsp[-1].minor.yy102 = yymsp[0].minor.yy102; }
        break;
      case 251: /* trigger_cmd_list ::= trigger_cmd_list trigger_cmd SEMI */
{
  assert( yymsp[-2].minor.yy11!=0 );
  yymsp[-2].minor.yy11->pLast->pNext = yymsp[-1].minor.yy11;
  yymsp[-2].minor.yy11->pLast = yymsp[-1].minor.yy11;
}
        break;
      case 252: /* trigger_cmd_list ::= trigger_cmd SEMI */
{ 
  assert( yymsp[-1].minor.yy11!=0 );
  yymsp[-1].minor.yy11->pLast = yymsp[-1].minor.yy11;
}
        break;
      case 253: /* trnm ::= nm DOT nm */
{
  yymsp[-2].minor.yy0 = yymsp[0].minor.yy0;
  sqlite3ErrorMsg(pParse, 
        "qualified table names are not allowed on INSERT, UPDATE, and DELETE "
        "statements within triggers");
}
        break;
      case 254: /* tridxby ::= INDEXED BY nm */
{
  sqlite3ErrorMsg(pParse,
        "the INDEXED BY clause is not allowed on UPDATE or DELETE statements "
        "within triggers");
}
        break;
      case 255: /* tridxby ::= NOT INDEXED */
{
  sqlite3ErrorMsg(pParse,
        "the NOT INDEXED clause is not allowed on UPDATE or DELETE statements "
        "within triggers");
}
        break;
      case 256: /* trigger_cmd ::= UPDATE orconf trnm tridxby SET setlist where_opt scanpt */
{yylhsminor.yy11 = sqlite3TriggerUpdateStep(pParse, &yymsp[-5].minor.yy0, yymsp[-2].minor.yy94, yymsp[-1].minor.yy102, yymsp[-6].minor.yy100, yymsp[-7].minor.yy0.z, yymsp[0].minor.yy528);}
  yymsp[-7].minor.yy11 = yylhsminor.yy11;
        break;
      case 257: /* trigger_cmd ::= scanpt insert_cmd INTO trnm idlist_opt select upsert scanpt */
{
   yylhsminor.yy11 = sqlite3TriggerInsertStep(pParse,&yymsp[-4].minor.yy0,yymsp[-3].minor.yy76,yymsp[-2].minor.yy391,yymsp[-6].minor.yy100,yymsp[-1].minor.yy95,yymsp[-7].minor.yy528,yymsp[0].minor.yy528);/*yylhsminor.yy11-overwrites-yymsp[-6].minor.yy100*/
}
  yymsp[-7].minor.yy11 = yylhsminor.yy11;
        break;
      case 258: /* trigger_cmd ::= DELETE FROM trnm tridxby where_opt scanpt */
{yylhsminor.yy11 = sqlite3TriggerDeleteStep(pParse, &yymsp[-3].minor.yy0, yymsp[-1].minor.yy102, yymsp[-5].minor.yy0.z, yymsp[0].minor.yy528);}
  yymsp[-5].minor.yy11 = yylhsminor.yy11;
        break;
      case 259: /* trigger_cmd ::= scanpt select scanpt */
{yylhsminor.yy11 = sqlite3TriggerSelectStep(pParse->db, yymsp[-1].minor.yy391, yymsp[-2].minor.yy528, yymsp[0].minor.yy528); /*yylhsminor.yy11-overwrites-yymsp[-1].minor.yy391*/}
  yymsp[-2].minor.yy11 = yylhsminor.yy11;
        break;
      case 260: /* expr ::= RAISE LP IGNORE RP */
{
  yymsp[-3].minor.yy102 = sqlite3PExpr(pParse, TK_RAISE, 0, 0); 
  if( yymsp[-3].minor.yy102 ){
    yymsp[-3].minor.yy102->affinity = OE_Ignore;
  }
}
        break;
      case 261: /* expr ::= RAISE LP raisetype COMMA nm RP */
{
  yymsp[-5].minor.yy102 = sqlite3ExprAlloc(pParse->db, TK_RAISE, &yymsp[-1].minor.yy0, 1); 
  if( yymsp[-5].minor.yy102 ) {
    yymsp[-5].minor.yy102->affinity = (char)yymsp[-3].minor.yy100;
  }
}
        break;
      case 262: /* raisetype ::= ROLLBACK */
{yymsp[0].minor.yy100 = OE_Rollback;}
        break;
      case 264: /* raisetype ::= FAIL */
{yymsp[0].minor.yy100 = OE_Fail;}
        break;
      case 265: /* cmd ::= DROP TRIGGER ifexists fullname */
{
  sqlite3DropTrigger(pParse,yymsp[0].minor.yy407,yymsp[-1].minor.yy100);
}
        break;
      case 266: /* cmd ::= ATTACH database_kw_opt expr AS expr key_opt */
{
  sqlite3Attach(pParse, yymsp[-3].minor.yy102, yymsp[-1].minor.yy102, yymsp[0].minor.yy102);
}
        break;
      case 267: /* cmd ::= DETACH database_kw_opt expr */
{
  sqlite3Detach(pParse, yymsp[0].minor.yy102);
}
        break;
      case 270: /* cmd ::= REINDEX */
{sqlite3Reindex(pParse, 0, 0);}
        break;
      case 271: /* cmd ::= REINDEX nm dbnm */
{sqlite3Reindex(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);}
        break;
      case 272: /* cmd ::= ANALYZE */
{sqlite3Analyze(pParse, 0, 0);}
        break;
      case 273: /* cmd ::= ANALYZE nm dbnm */
{sqlite3Analyze(pParse, &yymsp[-1].minor.yy0, &yymsp[0].minor.yy0);}
        break;
      case 274: /* cmd ::= ALTER TABLE fullname RENAME TO nm */
{
  sqlite3AlterRenameTable(pParse,yymsp[-3].minor.yy407,&yymsp[0].minor.yy0);
}
        break;
      case 275: /* cmd ::= ALTER TABLE add_column_fullname ADD kwcolumn_opt columnname carglist */
{
  yymsp[-1].minor.yy0.n = (int)(pParse->sLastToken.z-yymsp[-1].minor.yy0.z) + pParse->sLastToken.n;
  sqlite3AlterFinishAddColumn(pParse, &yymsp[-1].minor.yy0);
}
        break;
      case 276: /* add_column_fullname ::= fullname */
{
  disableLookaside(pParse);
  sqlite3AlterBeginAddColumn(pParse, yymsp[0].minor.yy407);
}
        break;
      case 277: /* cmd ::= ALTER TABLE fullname RENAME kwcolumn_opt nm TO nm */
{
  sqlite3AlterRenameColumn(pParse, yymsp[-5].minor.yy407, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0);
}
        break;
      case 278: /* cmd ::= create_vtab */
{sqlite3VtabFinishParse(pParse,0);}
        break;
      case 279: /* cmd ::= create_vtab LP vtabarglist RP */
{sqlite3VtabFinishParse(pParse,&yymsp[0].minor.yy0);}
        break;
      case 280: /* create_vtab ::= createkw VIRTUAL TABLE ifnotexists nm dbnm USING nm */
{
    sqlite3VtabBeginParse(pParse, &yymsp[-3].minor.yy0, &yymsp[-2].minor.yy0, &yymsp[0].minor.yy0, yymsp[-4].minor.yy100);
}
        break;
      case 281: /* vtabarg ::= */
{sqlite3VtabArgInit(pParse);}
        break;
      case 282: /* vtabargtoken ::= ANY */
      case 283: /* vtabargtoken ::= lp anylist RP */ yytestcase(yyruleno==283);
      case 284: /* lp ::= LP */ yytestcase(yyruleno==284);
{sqlite3VtabArgExtend(pParse,&yymsp[0].minor.yy0);}
        break;
      case 285: /* with ::= WITH wqlist */
      case 286: /* with ::= WITH RECURSIVE wqlist */ yytestcase(yyruleno==286);
{ sqlite3WithPush(pParse, yymsp[0].minor.yy243, 1); }
        break;
      case 287: /* wqlist ::= nm eidlist_opt AS LP select RP */
{
  yymsp[-5].minor.yy243 = sqlite3WithAdd(pParse, 0, &yymsp[-5].minor.yy0, yymsp[-4].minor.yy94, yymsp[-1].minor.yy391); /*A-overwrites-X*/
}
        break;
      case 288: /* wqlist ::= wqlist COMMA nm eidlist_opt AS LP select RP