Avoid loading the entire record into memory for an sqlite3_preupdate_old() call that retrieves an IPK value.

FossilOrigin-Name: f9a90a0d2cd04e44dcc53e8bd270447f5acf9b4d679e23b67810875b6ee95ca7
Fix the OPFS VFS's xOpen() to honor the read-only flag. Fix the OPFS SAHPool VFS to enable re-installation of the VFS after calling OpfsSAHPoolUtil.removeVfs().
2024-11-04 17:33:26 +00:00 · 2024-10-17 12:17:18 +00:00 · 2024-10-07 12:24:51 +00:00 · 2024-09-05 23:44:49 +00:00 · 2024-09-04 16:45:51 +00:00 · 2024-08-29 17:18:41 +00:00
50 changed files with 777 additions and 369 deletions
--- a/2
+++ b/2
@ -1 +1 @@
-3.46.0
+3.46.1
--- a/autoconf/tea/configure.ac
+++ b/autoconf/tea/configure.ac
@ -19,7 +19,7 @@ dnl	to configure the system for the local environment.
 # so that we create the export library with the dll.
 #-----------------------------------------------------------------------

-AC_INIT([sqlite],[3.46.0])
+AC_INIT([sqlite],[3.46.1])

 #--------------------------------------------------------------------
 # Call TEA_INIT as the first TEA_ macro to set up initial vars.
--- a/18
+++ b/18
@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for sqlite 3.46.0.
+# Generated by GNU Autoconf 2.69 for sqlite 3.46.1.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@ -726,8 +726,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='sqlite'
 PACKAGE_TARNAME='sqlite'
-PACKAGE_VERSION='3.46.0'
-PACKAGE_STRING='sqlite 3.46.0'
+PACKAGE_VERSION='3.46.1'
+PACKAGE_STRING='sqlite 3.46.1'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''

@ -1472,7 +1472,7 @@ if test "$ac_init_help" = "long"; then
  # Omit some internal or obsolete options to make the list less imposing.
  # This message is too long to be a string in the A/UX 3.1 sh.
  cat <<_ACEOF
-\`configure' configures sqlite 3.46.0 to adapt to many kinds of systems.
+\`configure' configures sqlite 3.46.1 to adapt to many kinds of systems.

 Usage: $0 [OPTION]... [VAR=VALUE]...

@ -1537,7 +1537,7 @@ fi

 if test -n "$ac_init_help"; then
  case $ac_init_help in
-     short | recursive ) echo "Configuration of sqlite 3.46.0:";;
+     short | recursive ) echo "Configuration of sqlite 3.46.1:";;
   esac
  cat <<\_ACEOF

@ -1668,7 +1668,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
  cat <<\_ACEOF
-sqlite configure 3.46.0
+sqlite configure 3.46.1
 generated by GNU Autoconf 2.69

 Copyright (C) 2012 Free Software Foundation, Inc.
@ -2087,7 +2087,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.

-It was created by sqlite $as_me 3.46.0, which was
+It was created by sqlite $as_me 3.46.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was

  $ $0 $@
@ -12481,7 +12481,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by sqlite $as_me 3.46.0, which was
+This file was extended by sqlite $as_me 3.46.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was

  CONFIG_FILES    = $CONFIG_FILES
@ -12547,7 +12547,7 @@ _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-sqlite config.status 3.46.0
+sqlite config.status 3.46.1
 configured by $0, generated by GNU Autoconf 2.69,
  with options \\"\$ac_cs_config\\"

--- a/ext/consio/console_io.c
+++ b/ext/consio/console_io.c
@ -53,11 +53,6 @@
 # define CIO_WIN_WC_XLATE 0 /* Not exposing translation routines at all */
 #endif

-#if CIO_WIN_WC_XLATE
-/* Character used to represent a known-incomplete UTF-8 char group (<28>) */
-static WCHAR cBadGroup = 0xfffd;
-#endif
-
 #if CIO_WIN_WC_XLATE
 static HANDLE handleOfFile(FILE *pf){
  int fileDesc = _fileno(pf);
--- a/ext/expert/expert1.test
+++ b/ext/expert/expert1.test
@ -465,6 +465,13 @@ do_execsql_test 5.3 {
  t2 t2_idx_0001295b {100 20 5}
 }

+do_catchsql_test 5.4 {
+  SELECT sqlite_expert_rem(123, 123);
+} {1 {no such function: sqlite_expert_rem}}
+do_catchsql_test 5.5 {
+  SELECT sqlite_expert_sample();
+} {1 {no such function: sqlite_expert_sample}}
+
 if 0 {
 do_test expert1-6.0 {
  catchcmd :memory: {
--- a/ext/expert/sqlite3expert.c
+++ b/ext/expert/sqlite3expert.c
@ -626,7 +626,7 @@ static int expertFilter(
  pCsr->pData = 0;
  if( rc==SQLITE_OK ){
    rc = idxPrintfPrepareStmt(pExpert->db, &pCsr->pData, &pVtab->base.zErrMsg,
-        "SELECT * FROM main.%Q WHERE sample()", pVtab->pTab->zName
+        "SELECT * FROM main.%Q WHERE sqlite_expert_sample()", pVtab->pTab->zName
    );
  }

@ -1500,7 +1500,7 @@ struct IdxRemCtx {
 };

 /*
-** Implementation of scalar function rem().
+** Implementation of scalar function sqlite_expert_rem().
 */
 static void idxRemFunc(
  sqlite3_context *pCtx,
@ -1513,7 +1513,7 @@ static void idxRemFunc(
  assert( argc==2 );

  iSlot = sqlite3_value_int(argv[0]);
-  assert( iSlot<=p->nSlot );
+  assert( iSlot<p->nSlot );
  pSlot = &p->aSlot[iSlot];

  switch( pSlot->eType ){
@ -1624,7 +1624,8 @@ static int idxPopulateOneStat1(
    const char *zName = (const char*)sqlite3_column_text(pIndexXInfo, 0);
    const char *zColl = (const char*)sqlite3_column_text(pIndexXInfo, 1);
    zCols = idxAppendText(&rc, zCols, 
-        "%sx.%Q IS rem(%d, x.%Q) COLLATE %s", zComma, zName, nCol, zName, zColl
+        "%sx.%Q IS sqlite_expert_rem(%d, x.%Q) COLLATE %s", 
+        zComma, zName, nCol, zName, zColl
    );
    zOrder = idxAppendText(&rc, zOrder, "%s%d", zComma, ++nCol);
  }
@ -1757,13 +1758,13 @@ static int idxPopulateStat1(sqlite3expert *p, char **pzErr){

  if( rc==SQLITE_OK ){
    sqlite3 *dbrem = (p->iSample==100 ? p->db : p->dbv);
-    rc = sqlite3_create_function(
-        dbrem, "rem", 2, SQLITE_UTF8, (void*)pCtx, idxRemFunc, 0, 0
+    rc = sqlite3_create_function(dbrem, "sqlite_expert_rem", 
+        2, SQLITE_UTF8, (void*)pCtx, idxRemFunc, 0, 0
    );
  }
  if( rc==SQLITE_OK ){
-    rc = sqlite3_create_function(
-        p->db, "sample", 0, SQLITE_UTF8, (void*)&samplectx, idxSampleFunc, 0, 0
+    rc = sqlite3_create_function(p->db, "sqlite_expert_sample", 
+        0, SQLITE_UTF8, (void*)&samplectx, idxSampleFunc, 0, 0
    );
  }

@ -1815,6 +1816,9 @@ static int idxPopulateStat1(sqlite3expert *p, char **pzErr){
    rc = sqlite3_exec(p->dbm, "ANALYZE sqlite_schema", 0, 0, 0);
  }

+  sqlite3_create_function(p->db, "sqlite_expert_rem", 2, SQLITE_UTF8, 0,0,0,0);
+  sqlite3_create_function(p->db, "sqlite_expert_sample", 0,SQLITE_UTF8,0,0,0,0);
+
  sqlite3_exec(p->db, "DROP TABLE IF EXISTS temp."UNIQUE_TABLE_NAME,0,0,0);
  return rc;
 }
--- a/ext/fts5/fts5_expr.c
+++ b/ext/fts5/fts5_expr.c
@ -324,7 +324,11 @@ int sqlite3Fts5ExprNew(
  }

  sqlite3_free(sParse.apPhrase);
-  *pzErr = sParse.zErr;
+  if( 0==*pzErr ){
+    *pzErr = sParse.zErr;
+  }else{
+    sqlite3_free(sParse.zErr);
+  }
  return sParse.rc;
 }

@ -2452,6 +2456,7 @@ Fts5ExprNode *sqlite3Fts5ParseImplicitAnd(
    assert( pRight->eType==FTS5_STRING 
        || pRight->eType==FTS5_TERM 
        || pRight->eType==FTS5_EOF 
+        || (pRight->eType==FTS5_AND && pParse->bPhraseToAnd) 
    );

    if( pLeft->eType==FTS5_AND ){
--- a/ext/fts5/fts5_main.c
+++ b/ext/fts5/fts5_main.c
@ -1700,6 +1700,7 @@ static int fts5UpdateMethod(
        rc = SQLITE_ERROR;
      }else{
        rc = fts5SpecialDelete(pTab, apVal);
+        bUpdateOrDelete = 1;
      }
    }else{
      rc = fts5SpecialInsert(pTab, z, apVal[2 + pConfig->nCol + 1]);
@ -2874,14 +2875,16 @@ int sqlite3Fts5GetTokenizer(
  if( pMod==0 ){
    assert( nArg>0 );
    rc = SQLITE_ERROR;
-    *pzErr = sqlite3_mprintf("no such tokenizer: %s", azArg[0]);
+    if( pzErr ) *pzErr = sqlite3_mprintf("no such tokenizer: %s", azArg[0]);
  }else{
    rc = pMod->x.xCreate(
        pMod->pUserData, (azArg?&azArg[1]:0), (nArg?nArg-1:0), &pConfig->pTok
    );
    pConfig->pTokApi = &pMod->x;
    if( rc!=SQLITE_OK ){
-      if( pzErr ) *pzErr = sqlite3_mprintf("error in tokenizer constructor");
+      if( pzErr && rc!=SQLITE_NOMEM ){
+        *pzErr = sqlite3_mprintf("error in tokenizer constructor");
+      }
    }else{
      pConfig->ePattern = sqlite3Fts5TokenizerPattern(
          pMod->x.xCreate, pConfig->pTok
@ -2975,17 +2978,23 @@ static int fts5IntegrityMethod(

  assert( pzErr!=0 && *pzErr==0 );
  UNUSED_PARAM(isQuick);
+  assert( pTab->p.pConfig->pzErrmsg==0 );
+  pTab->p.pConfig->pzErrmsg = pzErr;
  rc = sqlite3Fts5StorageIntegrity(pTab->pStorage, 0);
-  if( (rc&0xff)==SQLITE_CORRUPT ){
-    *pzErr = sqlite3_mprintf("malformed inverted index for FTS5 table %s.%s",
-                zSchema, zTabname);
-     rc = (*pzErr) ? SQLITE_OK : SQLITE_NOMEM;
-  }else if( rc!=SQLITE_OK ){
-    *pzErr = sqlite3_mprintf("unable to validate the inverted index for"
-                             " FTS5 table %s.%s: %s",
-                zSchema, zTabname, sqlite3_errstr(rc));
+  if( *pzErr==0 && rc!=SQLITE_OK ){
+    if( (rc&0xff)==SQLITE_CORRUPT ){
+      *pzErr = sqlite3_mprintf("malformed inverted index for FTS5 table %s.%s",
+          zSchema, zTabname);
+      rc = (*pzErr) ? SQLITE_OK : SQLITE_NOMEM;
+    }else{
+      *pzErr = sqlite3_mprintf("unable to validate the inverted index for"
+          " FTS5 table %s.%s: %s",
+          zSchema, zTabname, sqlite3_errstr(rc));
+    }
  }
+
  sqlite3Fts5IndexCloseReader(pTab->p.pIndex);
+  pTab->p.pConfig->pzErrmsg = 0;

  return rc;
 }
--- a/ext/fts5/fts5_tokenize.c
+++ b/ext/fts5/fts5_tokenize.c
@ -79,7 +79,7 @@ static int fts5AsciiCreate(
      int i;
      memset(p, 0, sizeof(AsciiTokenizer));
      memcpy(p->aTokenChar, aAsciiTokenChar, sizeof(aAsciiTokenChar));
-      for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+      for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
        const char *zArg = azArg[i+1];
        if( 0==sqlite3_stricmp(azArg[i], "tokenchars") ){
          fts5AsciiAddExceptions(p, zArg, 1);
@ -90,6 +90,7 @@ static int fts5AsciiCreate(
          rc = SQLITE_ERROR;
        }
      }
+      if( rc==SQLITE_OK && i<nArg ) rc = SQLITE_ERROR;
      if( rc!=SQLITE_OK ){
        fts5AsciiDelete((Fts5Tokenizer*)p);
        p = 0;
@ -381,17 +382,16 @@ static int fts5UnicodeCreate(
      }

      /* Search for a "categories" argument */
-      for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+      for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
        if( 0==sqlite3_stricmp(azArg[i], "categories") ){
          zCat = azArg[i+1];
        }
      }
-
      if( rc==SQLITE_OK ){
        rc = unicodeSetCategories(p, zCat);
      }

-      for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+      for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
        const char *zArg = azArg[i+1];
        if( 0==sqlite3_stricmp(azArg[i], "remove_diacritics") ){
          if( (zArg[0]!='0' && zArg[0]!='1' && zArg[0]!='2') || zArg[1] ){
@ -416,6 +416,7 @@ static int fts5UnicodeCreate(
          rc = SQLITE_ERROR;
        }
      }
+      if( i<nArg && rc==SQLITE_OK ) rc = SQLITE_ERROR;

    }else{
      rc = SQLITE_NOMEM;
@ -1298,7 +1299,7 @@ static int fts5TriCreate(
    int i;
    pNew->bFold = 1;
    pNew->iFoldParam = 0;
-    for(i=0; rc==SQLITE_OK && i<nArg; i+=2){
+    for(i=0; rc==SQLITE_OK && i<nArg-1; i+=2){
      const char *zArg = azArg[i+1];
      if( 0==sqlite3_stricmp(azArg[i], "case_sensitive") ){
        if( (zArg[0]!='0' && zArg[0]!='1') || zArg[1] ){
@ -1316,6 +1317,7 @@ static int fts5TriCreate(
        rc = SQLITE_ERROR;
      }
    }
+    if( i<nArg && rc==SQLITE_OK ) rc = SQLITE_ERROR;

    if( pNew->iFoldParam!=0 && pNew->bFold==0 ){
      rc = SQLITE_ERROR;
--- a/ext/fts5/test/fts5aux.test
+++ b/ext/fts5/test/fts5aux.test
@ -377,4 +377,28 @@ do_catchsql_test 12.3.3 {
  SELECT fts5_collist(t1, 1) FROM t1('one AND two');
 } {0 1}

+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 13.1 {
+  CREATE VIRTUAL TABLE t1 USING fts5(a, tokenize=ascii);
+  INSERT INTO t1 VALUES('a b c'), ('d e f');
+  PRAGMA integrity_check;
+} {ok}
+
+do_catchsql_test 13.2 {
+  SELECT highlight(t1, 0, '[', ']') FROM t1
+} {0 {{a b c} {d e f}}}
+
+do_execsql_test 13.3 {
+  PRAGMA writable_schema = 1;
+  UPDATE sqlite_schema SET sql = 'CREATE VIRTUAL TABLE t1 USING fts5(a, tokenize=blah)'
+  WHERE name = 't1';
+}
+
+db close
+sqlite3 db test.db
+do_catchsql_test 13.4 {
+  SELECT highlight(t1, 0, '[', ']') FROM t1
+} {1 {no such tokenizer: blah}}
+
 finish_test
--- a/ext/fts5/test/fts5integrity.test
+++ b/ext/fts5/test/fts5integrity.test
@ -380,5 +380,32 @@ do_execsql_test 12.3 {
 } {ok}


+#-------------------------------------------------------------------
+reset_db
+do_execsql_test 13.1 {
+  CREATE VIRTUAL TABLE t1 USING fts5(a, tokenize=ascii);
+  INSERT INTO t1 VALUES('a b c'), ('d e f');
+  PRAGMA integrity_check;
+} {ok}
+
+db close
+sqlite3 db test.db
+do_catchsql_test 13.2 {
+  PRAGMA integrity_check;
+} {0 ok}
+
+do_execsql_test 13.3 {
+  PRAGMA writable_schema = 1;
+  UPDATE sqlite_schema SET sql = 'CREATE VIRTUAL TABLE t1 USING fts5(a, tokenize=blah)'
+  WHERE name = 't1';
+}
+
+db close
+sqlite3 db test.db
+breakpoint
+do_catchsql_test 13.4 {
+  PRAGMA integrity_check;
+} {1 {no such tokenizer: blah}}
+

 finish_test
--- a/ext/fts5/test/fts5secure8.test
+++ b/ext/fts5/test/fts5secure8.test
@ -42,6 +42,22 @@ do_execsql_test 1.2 {
  PRAGMA integrity_check;
 } {ok}

+do_execsql_test 2.0 {
+  CREATE VIRTUAL TABLE xyz USING fts5 (
+  	name,
+        content=''
+  );
+
+  INSERT INTO xyz(xyz, rank) VALUES('secure-delete', 1);
+  INSERT INTO xyz (rowid, name) VALUES(1, 'A');
+  INSERT INTO xyz (rowid, name) VALUES(2, 'A');
+  INSERT INTO xyz(xyz, rowid, name) VALUES('delete', 2, 'A');
+}
+
+do_execsql_test 2.1 {
+  pragma quick_check;
+} {ok}
+



--- a/ext/fts5/test/fts5tokenizer2.test
+++ b/ext/fts5/test/fts5tokenizer2.test
@ -85,5 +85,25 @@ do_execsql_test 1.7 {
  SELECT highlight(t1, 0, '>', '<') FROM t1('BB mess');
 } {AAdont>BBmess<}

+# 2024-08-06 https://sqlite.org/forum/forumpost/171bcc2bcd
+# Error handling of tokenize= arguments.
+#
+foreach {n tkz} {
+  1  {ascii none}
+  2  {unicode61 none}
+  3  {porter none}
+  4  {trigram none}
+  5  {ascii none 0}
+  6  {unicode61 none 0}
+  7  {porter none 0}
+  8  {trigram none 0}
+} {
+  db eval {DROP TABLE IF EXISTS t2;}
+  do_catchsql_test 2.$n "
+     DROP TABLE IF EXISTS t2;
+     CREATE VIRTUAL TABLE t2 USING fts5(a,b,c,tokenize='$tkz');
+  " {1 {error in tokenizer constructor}}
+}
+

 finish_test
--- a/ext/fts5/test/fts5trigram.test
+++ b/ext/fts5/test/fts5trigram.test
@ -69,6 +69,9 @@ do_execsql_test 2.0 {
  INSERT INTO t1 VALUES('abcdefghijklm');
  INSERT INTO t1 VALUES('กรุงเทพมหานคร');
 }
+do_catchsql_test 2.0.1 {
+  CREATE VIRTUAL TABLE t2 USING fts5(z, tokenize='trigram case_sensitive');
+} {1 {error in tokenizer constructor}}

 foreach {tn s res} {
  1 abc           "(abc)defghijklm"
@ -206,7 +209,7 @@ do_execsql_test 7.0 {
      (20, "жираф.png"), 
      (30, "cat.png"), 
      (40, "кот.png"), 
-      (50, "misic-🎵-.mp3");
+      (50, "misic-ðµ-.mp3");
 }
 do_execsql_test 7.1 {
  SELECT rowid FROM f WHERE +filename GLOB '*ир*';
--- a/ext/fts5/test/fts5trigram2.test
+++ b/ext/fts5/test/fts5trigram2.test
@ -21,6 +21,9 @@ do_execsql_test 1.0 "
  INSERT INTO t1 VALUES('abc\u0303defghijklm');
  INSERT INTO t1 VALUES('a\u0303b\u0303c\u0303defghijklm');
 "
+do_catchsql_test 1.0.1 {
+  CREATE VIRTUAL TABLE t2 USING fts5(z, tokenize='trigram remove_diacritics');
+} {1 {error in tokenizer constructor}}

 do_execsql_test 1.1 {
  SELECT highlight(t1, 0, '(', ')') FROM t1('abc');
--- a/ext/recover/sqlite3recover.c
+++ b/ext/recover/sqlite3recover.c
@ -363,8 +363,8 @@ static int recoverError(
  va_start(ap, zFmt);
  if( zFmt ){
    z = sqlite3_vmprintf(zFmt, ap);
-    va_end(ap);
  }
+  va_end(ap);
  sqlite3_free(p->zErrMsg);
  p->zErrMsg = z;
  p->errCode = errCode;
--- a/ext/session/sessionblob.test
+++ b/ext/session/sessionblob.test
@ -0,0 +1,55 @@
+# 2024 November 04
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+
+if {![info exists testdir]} {
+  set testdir [file join [file dirname [info script]] .. .. test]
+} 
+source [file join [file dirname [info script]] session_common.tcl]
+source $testdir/tester.tcl
+ifcapable !session {finish_test; return}
+
+if {$::tcl_platform(pointerSize)<8} {
+  finish_test
+  return
+}
+
+set testprefix sessionblob
+
+forcedelete test.db2
+sqlite3 db2 test.db2
+
+set NBLOB 2000000
+
+do_execsql_test 1.0 {
+  CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
+  INSERT INTO t1 VALUES(123, zeroblob($NBLOB));
+}
+
+do_test 1.1 {
+  sqlite3session S db main
+  S attach t1
+} {}
+
+set b2 [string repeat x 1000]
+do_test 1.2 {
+  set ::blob [db incrblob t1 b 123]
+  for {set ii 0} {$ii < $NBLOB} {incr ii [string length $b2]} {
+    seek $::blob $ii
+    puts -nonewline $::blob $b2
+  }
+  close $::blob
+} {}
+
+S delete
+
+finish_test
+
--- a/ext/wasm/api/sqlite3-opfs-async-proxy.js
+++ b/ext/wasm/api/sqlite3-opfs-async-proxy.js
@ -87,35 +87,6 @@ const installAsyncProxy = function(){
  const log =    (...args)=>logImpl(2, ...args);
  const warn =   (...args)=>logImpl(1, ...args);
  const error =  (...args)=>logImpl(0, ...args);
-  const metrics = Object.create(null);
-  metrics.reset = ()=>{
-    let k;
-    const r = (m)=>(m.count = m.time = m.wait = 0);
-    for(k in state.opIds){
-      r(metrics[k] = Object.create(null));
-    }
-    let s = metrics.s11n = Object.create(null);
-    s = s.serialize = Object.create(null);
-    s.count = s.time = 0;
-    s = metrics.s11n.deserialize = Object.create(null);
-    s.count = s.time = 0;
-  };
-  metrics.dump = ()=>{
-    let k, n = 0, t = 0, w = 0;
-    for(k in state.opIds){
-      const m = metrics[k];
-      n += m.count;
-      t += m.time;
-      w += m.wait;
-      m.avgTime = (m.count && m.time) ? (m.time / m.count) : 0;
-    }
-    console.log(globalThis?.location?.href,
-                "metrics for",globalThis?.location?.href,":\n",
-                metrics,
-                "\nTotal of",n,"op(s) for",t,"ms",
-                "approx",w,"ms spent waiting on OPFS APIs.");
-    console.log("Serialization metrics:",metrics.s11n);
-  };

  /**
     __openFiles is a map of sqlite3_file pointers (integers) to
@ -265,23 +236,34 @@ const installAsyncProxy = function(){
      this.name = 'GetSyncHandleError';
    }
  };
+
+  /**
+     Attempts to find a suitable SQLITE_xyz result code for Error
+     object e. Returns either such a translation or rc if if it does
+     not know how to translate the exception.
+  */
  GetSyncHandleError.convertRc = (e,rc)=>{
-    if(1){
-      return (
-        e instanceof GetSyncHandleError
-          && ((e.cause.name==='NoModificationAllowedError')
-              /* Inconsistent exception.name from Chrome/ium with the
-                 same exception.message text: */
-              || (e.cause.name==='DOMException'
-                  && 0===e.cause.message.indexOf('Access Handles cannot')))
-      ) ? (
-        /*console.warn("SQLITE_BUSY",e),*/
-        state.sq3Codes.SQLITE_BUSY
-      ) : rc;
-    }else{
-      return rc;
+    if( e instanceof GetSyncHandleError ){
+      if( e.cause.name==='NoModificationAllowedError'
+        /* Inconsistent exception.name from Chrome/ium with the
+           same exception.message text: */
+          || (e.cause.name==='DOMException'
+              && 0===e.cause.message.indexOf('Access Handles cannot')) ){
+        return state.sq3Codes.SQLITE_BUSY;
+      }else if( 'NotFoundError'===e.cause.name ){
+        /**
+           Maintenance reminder: SQLITE_NOTFOUND, though it looks like
+           a good match, has different semantics than NotFoundError
+           and is not suitable here.
+        */
+        return state.sq3Codes.SQLITE_CANTOPEN;
+      }
+    }else if( 'NotFoundError'===e?.name ){
+      return state.sq3Codes.SQLITE_CANTOPEN;
    }
-  }
+    return rc;
+  };
+
  /**
     Returns the sync access handle associated with the given file
     handle object (which must be a valid handle object, as created by
@ -347,37 +329,6 @@ const installAsyncProxy = function(){
    if(fh.readOnly) toss(opName+"(): File is read-only: "+fh.filenameAbs);
  };

-  /**
-     We track 2 different timers: the "metrics" timer records how much
-     time we spend performing work. The "wait" timer records how much
-     time we spend waiting on the underlying OPFS timer. See the calls
-     to mTimeStart(), mTimeEnd(), wTimeStart(), and wTimeEnd()
-     throughout this file to see how they're used.
-  */
-  const __mTimer = Object.create(null);
-  __mTimer.op = undefined;
-  __mTimer.start = undefined;
-  const mTimeStart = (op)=>{
-    __mTimer.start = performance.now();
-    __mTimer.op = op;
-    //metrics[op] || toss("Maintenance required: missing metrics for",op);
-    ++metrics[op].count;
-  };
-  const mTimeEnd = ()=>(
-    metrics[__mTimer.op].time += performance.now() - __mTimer.start
-  );
-  const __wTimer = Object.create(null);
-  __wTimer.op = undefined;
-  __wTimer.start = undefined;
-  const wTimeStart = (op)=>{
-    __wTimer.start = performance.now();
-    __wTimer.op = op;
-    //metrics[op] || toss("Maintenance required: missing metrics for",op);
-  };
-  const wTimeEnd = ()=>(
-    metrics[__wTimer.op].wait += performance.now() - __wTimer.start
-  );
-
  /**
     Gets set to true by the 'opfs-async-shutdown' command to quit the
     wait loop. This is only intended for debugging purposes: we cannot
@ -388,37 +339,24 @@ const installAsyncProxy = function(){

  /**
     Asynchronous wrappers for sqlite3_vfs and sqlite3_io_methods
-     methods, as well as helpers like mkdir(). Maintenance reminder:
-     members are in alphabetical order to simplify finding them.
+     methods, as well as helpers like mkdir().
  */
  const vfsAsyncImpls = {
-    'opfs-async-metrics': async ()=>{
-      mTimeStart('opfs-async-metrics');
-      metrics.dump();
-      storeAndNotify('opfs-async-metrics', 0);
-      mTimeEnd();
-    },
    'opfs-async-shutdown': async ()=>{
      flagAsyncShutdown = true;
      storeAndNotify('opfs-async-shutdown', 0);
    },
    mkdir: async (dirname)=>{
-      mTimeStart('mkdir');
      let rc = 0;
-      wTimeStart('mkdir');
      try {
        await getDirForFilename(dirname+"/filepart", true);
      }catch(e){
        state.s11n.storeException(2,e);
        rc = state.sq3Codes.SQLITE_IOERR;
-      }finally{
-        wTimeEnd();
      }
      storeAndNotify('mkdir', rc);
-      mTimeEnd();
    },
    xAccess: async (filename)=>{
-      mTimeStart('xAccess');
      /* OPFS cannot support the full range of xAccess() queries
         sqlite3 calls for. We can essentially just tell if the file
         is accessible, but if it is then it's automatically writable
@ -431,26 +369,20 @@ const installAsyncProxy = function(){
         accessible, non-0 means not accessible.
      */
      let rc = 0;
-      wTimeStart('xAccess');
      try{
        const [dh, fn] = await getDirForFilename(filename);
        await dh.getFileHandle(fn);
      }catch(e){
        state.s11n.storeException(2,e);
        rc = state.sq3Codes.SQLITE_IOERR;
-      }finally{
-        wTimeEnd();
      }
      storeAndNotify('xAccess', rc);
-      mTimeEnd();
    },
    xClose: async function(fid/*sqlite3_file pointer*/){
      const opName = 'xClose';
-      mTimeStart(opName);
      __implicitLocks.delete(fid);
      const fh = __openFiles[fid];
      let rc = 0;
-      wTimeStart(opName);
      if(fh){
        delete __openFiles[fid];
        await closeSyncHandle(fh);
@ -462,15 +394,11 @@ const installAsyncProxy = function(){
        state.s11n.serialize();
        rc = state.sq3Codes.SQLITE_NOTFOUND;
      }
-      wTimeEnd();
      storeAndNotify(opName, rc);
-      mTimeEnd();
    },
    xDelete: async function(...args){
-      mTimeStart('xDelete');
      const rc = await vfsAsyncImpls.xDeleteNoWait(...args);
      storeAndNotify('xDelete', rc);
-      mTimeEnd();
    },
    xDeleteNoWait: async function(filename, syncDir = 0, recursive = false){
      /* The syncDir flag is, for purposes of the VFS API's semantics,
@ -486,7 +414,6 @@ const installAsyncProxy = function(){
         is false.
      */
      let rc = 0;
-      wTimeStart('xDelete');
      try {
        while(filename){
          const [hDir, filenamePart] = await getDirForFilename(filename, false);
@ -502,14 +429,11 @@ const installAsyncProxy = function(){
        state.s11n.storeException(2,e);
        rc = state.sq3Codes.SQLITE_IOERR_DELETE;
      }
-      wTimeEnd();
      return rc;
    },
    xFileSize: async function(fid/*sqlite3_file pointer*/){
-      mTimeStart('xFileSize');
      const fh = __openFiles[fid];
      let rc = 0;
-      wTimeStart('xFileSize');
      try{
        const sz = await (await getSyncHandle(fh,'xFileSize')).getSize();
        state.s11n.serialize(Number(sz));
@ -518,19 +442,15 @@ const installAsyncProxy = function(){
        rc = GetSyncHandleError.convertRc(e,state.sq3Codes.SQLITE_IOERR);
      }
      await releaseImplicitLock(fh);
-      wTimeEnd();
      storeAndNotify('xFileSize', rc);
-      mTimeEnd();
    },
    xLock: async function(fid/*sqlite3_file pointer*/,
                          lockType/*SQLITE_LOCK_...*/){
-      mTimeStart('xLock');
      const fh = __openFiles[fid];
      let rc = 0;
      const oldLockType = fh.xLock;
      fh.xLock = lockType;
      if( !fh.syncHandle ){
-        wTimeStart('xLock');
        try {
          await getSyncHandle(fh,'xLock');
          __implicitLocks.delete(fid);
@ -539,18 +459,14 @@ const installAsyncProxy = function(){
          rc = GetSyncHandleError.convertRc(e,state.sq3Codes.SQLITE_IOERR_LOCK);
          fh.xLock = oldLockType;
        }
-        wTimeEnd();
      }
      storeAndNotify('xLock',rc);
-      mTimeEnd();
    },
    xOpen: async function(fid/*sqlite3_file pointer*/, filename,
                          flags/*SQLITE_OPEN_...*/,
                          opfsFlags/*OPFS_...*/){
      const opName = 'xOpen';
-      mTimeStart(opName);
      const create = (state.sq3Codes.SQLITE_OPEN_CREATE & flags);
-      wTimeStart('xOpen');
      try{
        let hDir, filenamePart;
        try {
@ -558,8 +474,6 @@ const installAsyncProxy = function(){
        }catch(e){
          state.s11n.storeException(1,e);
          storeAndNotify(opName, state.sq3Codes.SQLITE_NOTFOUND);
-          mTimeEnd();
-          wTimeEnd();
          return;
        }
        if( state.opfsFlags.OPFS_UNLINK_BEFORE_OPEN & opfsFlags ){
@ -571,7 +485,6 @@ const installAsyncProxy = function(){
          }
        }
        const hFile = await hDir.getFileHandle(filenamePart, {create});
-        wTimeEnd();
        const fh = Object.assign(Object.create(null),{
          fid: fid,
          filenameAbs: filename,
@ -579,83 +492,56 @@ const installAsyncProxy = function(){
          dirHandle: hDir,
          fileHandle: hFile,
          sabView: state.sabFileBufView,
-          readOnly: create
-            ? false : (state.sq3Codes.SQLITE_OPEN_READONLY & flags),
+          readOnly: !create && !!(state.sq3Codes.SQLITE_OPEN_READONLY & flags),
          deleteOnClose: !!(state.sq3Codes.SQLITE_OPEN_DELETEONCLOSE & flags)
        });
        fh.releaseImplicitLocks =
          (opfsFlags & state.opfsFlags.OPFS_UNLOCK_ASAP)
          || state.opfsFlags.defaultUnlockAsap;
-        if(0 /* this block is modelled after something wa-sqlite
-                does but it leads to immediate contention on journal files.
-                Update: this approach reportedly only works for DELETE journal
-                mode. */
-           && (0===(flags & state.sq3Codes.SQLITE_OPEN_MAIN_DB))){
-          /* sqlite does not lock these files, so go ahead and grab an OPFS
-             lock. */
-          fh.xLock = "xOpen"/* Truthy value to keep entry from getting
-                               flagged as auto-locked. String value so
-                               that we can easily distinguish is later
-                               if needed. */;
-          await getSyncHandle(fh,'xOpen');
-        }
        __openFiles[fid] = fh;
        storeAndNotify(opName, 0);
      }catch(e){
-        wTimeEnd();
        error(opName,e);
        state.s11n.storeException(1,e);
        storeAndNotify(opName, state.sq3Codes.SQLITE_IOERR);
      }
-      mTimeEnd();
    },
    xRead: async function(fid/*sqlite3_file pointer*/,n,offset64){
-      mTimeStart('xRead');
      let rc = 0, nRead;
      const fh = __openFiles[fid];
      try{
-        wTimeStart('xRead');
        nRead = (await getSyncHandle(fh,'xRead')).read(
          fh.sabView.subarray(0, n),
          {at: Number(offset64)}
        );
-        wTimeEnd();
        if(nRead < n){/* Zero-fill remaining bytes */
          fh.sabView.fill(0, nRead, n);
          rc = state.sq3Codes.SQLITE_IOERR_SHORT_READ;
        }
      }catch(e){
-        if(undefined===nRead) wTimeEnd();
        error("xRead() failed",e,fh);
        state.s11n.storeException(1,e);
        rc = GetSyncHandleError.convertRc(e,state.sq3Codes.SQLITE_IOERR_READ);
      }
      await releaseImplicitLock(fh);
      storeAndNotify('xRead',rc);
-      mTimeEnd();
    },
    xSync: async function(fid/*sqlite3_file pointer*/,flags/*ignored*/){
-      mTimeStart('xSync');
      const fh = __openFiles[fid];
      let rc = 0;
      if(!fh.readOnly && fh.syncHandle){
        try {
-          wTimeStart('xSync');
          await fh.syncHandle.flush();
        }catch(e){
          state.s11n.storeException(2,e);
          rc = state.sq3Codes.SQLITE_IOERR_FSYNC;
        }
-        wTimeEnd();
      }
      storeAndNotify('xSync',rc);
-      mTimeEnd();
    },
    xTruncate: async function(fid/*sqlite3_file pointer*/,size){
-      mTimeStart('xTruncate');
      let rc = 0;
      const fh = __openFiles[fid];
-      wTimeStart('xTruncate');
      try{
        affirmNotRO('xTruncate', fh);
        await (await getSyncHandle(fh,'xTruncate')).truncate(size);
@ -665,33 +551,25 @@ const installAsyncProxy = function(){
        rc = GetSyncHandleError.convertRc(e,state.sq3Codes.SQLITE_IOERR_TRUNCATE);
      }
      await releaseImplicitLock(fh);
-      wTimeEnd();
      storeAndNotify('xTruncate',rc);
-      mTimeEnd();
    },
    xUnlock: async function(fid/*sqlite3_file pointer*/,
                            lockType/*SQLITE_LOCK_...*/){
-      mTimeStart('xUnlock');
      let rc = 0;
      const fh = __openFiles[fid];
      if( state.sq3Codes.SQLITE_LOCK_NONE===lockType
          && fh.syncHandle ){
-        wTimeStart('xUnlock');
        try { await closeSyncHandle(fh) }
        catch(e){
          state.s11n.storeException(1,e);
          rc = state.sq3Codes.SQLITE_IOERR_UNLOCK;
        }
-        wTimeEnd();
      }
      storeAndNotify('xUnlock',rc);
-      mTimeEnd();
    },
    xWrite: async function(fid/*sqlite3_file pointer*/,n,offset64){
-      mTimeStart('xWrite');
      let rc;
      const fh = __openFiles[fid];
-      wTimeStart('xWrite');
      try{
        affirmNotRO('xWrite', fh);
        rc = (
@ -705,9 +583,7 @@ const installAsyncProxy = function(){
        rc = GetSyncHandleError.convertRc(e,state.sq3Codes.SQLITE_IOERR_WRITE);
      }
      await releaseImplicitLock(fh);
-      wTimeEnd();
      storeAndNotify('xWrite',rc);
-      mTimeEnd();
    }
  }/*vfsAsyncImpls*/;

@ -741,8 +617,6 @@ const installAsyncProxy = function(){
      }
    };
    state.s11n.deserialize = function(clear=false){
-      ++metrics.s11n.deserialize.count;
-      const t = performance.now();
      const argc = viewU8[0];
      const rc = argc ? [] : null;
      if(argc){
@ -767,12 +641,9 @@ const installAsyncProxy = function(){
      }
      if(clear) viewU8[0] = 0;
      //log("deserialize:",argc, rc);
-      metrics.s11n.deserialize.time += performance.now() - t;
      return rc;
    };
    state.s11n.serialize = function(...args){
-      const t = performance.now();
-      ++metrics.s11n.serialize.count;
      if(args.length){
        //log("serialize():",args);
        const typeIds = [];
@ -803,7 +674,6 @@ const installAsyncProxy = function(){
      }else{
        viewU8[0] = 0;
      }
-      metrics.s11n.serialize.time += performance.now() - t;
    };

    state.s11n.storeException = state.asyncS11nExceptions
@ -885,7 +755,6 @@ const installAsyncProxy = function(){
              }
            });
            initS11n();
-            metrics.reset();
            log("init state",state);
            wPost('opfs-async-inited');
            waitLoop();
@ -898,9 +767,6 @@ const installAsyncProxy = function(){
              waitLoop();
            }
            break;
-          case 'opfs-async-metrics':
-            metrics.dump();
-            break;
      }
    };
    wPost('opfs-async-loaded');
--- a/ext/wasm/api/sqlite3-vfs-opfs-sahpool.c-pp.js
+++ b/ext/wasm/api/sqlite3-vfs-opfs-sahpool.c-pp.js
@ -57,7 +57,7 @@ globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
  'use strict';
  const toss = sqlite3.util.toss;
  const toss3 = sqlite3.util.toss3;
-  const initPromises = Object.create(null);
+  const initPromises = Object.create(null) /* cache of (name:result) of VFS init results */;
  const capi = sqlite3.capi;
  const util = sqlite3.util;
  const wasm = sqlite3.wasm;
@ -843,6 +843,7 @@ globalThis.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
      if(!this.#cVfs.pointer || !this.#dhOpaque) return false;
      capi.sqlite3_vfs_unregister(this.#cVfs.pointer);
      this.#cVfs.dispose();
+      delete initPromises[this.vfsName];
      try{
        this.releaseAccessHandles();
        await this.#dhVfsRoot.removeEntry(OPAQUE_DIR_NAME, {recursive: true});
--- a/ext/wasm/api/sqlite3-vfs-opfs.c-pp.js
+++ b/ext/wasm/api/sqlite3-vfs-opfs.c-pp.js
@ -392,6 +392,7 @@ const installOpfsVfs = function callee(options){
      'SQLITE_ACCESS_EXISTS',
      'SQLITE_ACCESS_READWRITE',
      'SQLITE_BUSY',
+      'SQLITE_CANTOPEN',
      'SQLITE_ERROR',
      'SQLITE_IOERR',
      'SQLITE_IOERR_ACCESS',
@ -444,7 +445,7 @@ const installOpfsVfs = function callee(options){
      OPFS_UNLINK_BEFORE_OPEN: 0x02,
      /**
         If true, any async routine which implicitly acquires a sync
-         access handle (i.e. an OPFS lock) will release that locks at
+         access handle (i.e. an OPFS lock) will release that lock at
         the end of the call which acquires it. If false, such
         "autolocks" are not released until the VFS is idle for some
         brief amount of time.
@ -471,9 +472,22 @@ const installOpfsVfs = function callee(options){
      Atomics.notify(state.sabOPView, state.opIds.whichOp)
      /* async thread will take over here */;
      const t = performance.now();
-      Atomics.wait(state.sabOPView, state.opIds.rc, -1)
-      /* When this wait() call returns, the async half will have
-         completed the operation and reported its results. */;
+      while('not-equal'!==Atomics.wait(state.sabOPView, state.opIds.rc, -1)){
+        /*
+          The reason for this loop is buried in the details of a long
+          discussion at:
+
+          https://github.com/sqlite/sqlite-wasm/issues/12
+
+          Summary: in at least one browser flavor, under high loads,
+          the wait()/notify() pairings can get out of sync. Calling
+          wait() here until it returns 'not-equal' gets them back in
+          sync.
+        */
+      }
+      /* When the above wait() call returns 'not-equal', the async
+         half will have completed the operation and reported its results
+         in the state.opIds.rc slot of the SAB. */
      const rc = Atomics.load(state.sabOPView, state.opIds.rc);
      metrics[op].wait += performance.now() - t;
      if(rc && state.asyncS11nExceptions){
@ -720,9 +734,18 @@ const installOpfsVfs = function callee(options){
           involve an inherent race condition. For the time being,
           pending a better solution, we simply report whether the
           given pFile is open.
+
+           Update 2024-06-12: based on forum discussions, this
+           function now always sets pOut to 0 (false):
+
+           https://sqlite.org/forum/forumpost/a2f573b00cda1372
        */
-        const f = __openFiles[pFile];
-        wasm.poke(pOut, f.lockType ? 1 : 0, 'i32');
+        if(1){
+          wasm.poke(pOut, 0, 'i32');
+        }else{
+          const f = __openFiles[pFile];
+          wasm.poke(pOut, f.lockType ? 1 : 0, 'i32');
+        }
        return 0;
      },
      xClose: function(pFile){
@ -738,7 +761,6 @@ const installOpfsVfs = function callee(options){
        return rc;
      },
      xDeviceCharacteristics: function(pFile){
-        //debug("xDeviceCharacteristics(",pFile,")");
        return capi.SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN;
      },
      xFileControl: function(pFile, opId, pArg){
@ -907,6 +929,8 @@ const installOpfsVfs = function callee(options){
        fh.filename = zName;
        fh.sab = new SharedArrayBuffer(state.fileBufferSize);
        fh.flags = flags;
+        fh.readOnly = !(sqlite3.SQLITE_OPEN_CREATE & flags)
+          && !!(flags & capi.SQLITE_OPEN_READONLY);
        const rc = opRun('xOpen', pFile, zName, flags, opfsFlags);
        if(!rc){
          /* Recall that sqlite3_vfs::xClose() will be called, even on
--- a/ext/wasm/tester1.c-pp.js
+++ b/ext/wasm/tester1.c-pp.js
@ -3225,6 +3225,55 @@ globalThis.sqlite3InitModule = sqlite3InitModule;
        db.close();
      }
    })
+    .t({
+      name: 'r/o connection recovery from write op error',
+      predicate: ()=>hasOpfs() || "Requires OPFS to reproduce",
+      //predicate: ()=>false,
+      test: async function(sqlite3){
+        /* https://sqlite.org/forum/forumpost/cf37d5ff1182c31081
+
+           The "opfs" VFS (but not SAHPool) was formerly misbehaving
+           after a write attempt was made on a db opened with
+           mode=ro. This test ensures that that behavior is fixed and
+           compares that behavior with other VFSes. */
+        const tryOne = function(vfsName,descr){
+          const uri = 'file:///foo.db';
+          let db = new sqlite3.oo1.DB(uri + (vfsName ? '?vfs='+vfsName : ''));
+          db.exec([
+            "drop table if exists t;",
+            "create table t(a);",
+            "insert into t(a) values('abc'),('def'),('ghi');"
+          ]);
+          db.close();
+          db = new sqlite3.oo1.DB(uri+'?mode=ro'+
+                                  (vfsName ? '&vfs='+vfsName : ''));
+          let err;
+          try {
+            db.exec('insert into t(a) values(1)');
+          }catch(e){
+            err = e;
+          }
+          T.assert(err && (err.message.indexOf('SQLITE_READONLY')===0));
+          try{
+            db.exec('select a from t');
+          }finally{
+            db.close();
+          }
+        };
+        const poolConfig = JSON.parse(JSON.stringify(sahPoolConfig));
+        poolConfig.name = 'opfs-sahpool-cf37d5ff11';
+        let poolUtil;
+        await sqlite3.installOpfsSAHPoolVfs(poolConfig).then(p=>poolUtil=p);
+        T.assert(!!sqlite3.capi.sqlite3_vfs_find(poolConfig.name), "Expecting to find just-registered VFS");
+        try{
+          tryOne(false, "Emscripten filesystem");
+          tryOne(poolConfig.name);
+          tryOne('opfs');
+        }finally{
+          await poolUtil.removeVfs();
+        }
+      }
+    })
  ;/*end of Bug Reports group*/;

  ////////////////////////////////////////////////////////////////////////
--- a/110
+++ b/110
@ -1,5 +1,5 @@
-C Version\s3.46.0
-D 2024-05-23T13:25:27.566
+C Avoid\sloading\sthe\sentire\srecord\sinto\smemory\sfor\san\ssqlite3_preupdate_old()\scall\sthat\sretrieves\san\sIPK\svalue.
+D 2024-11-04T17:33:26.757
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -7,7 +7,7 @@ F Makefile.in 993a7874e3d3721df61846f03dda4a9ef7490da11953ae36ba1bb0c0346eaf4a
 F Makefile.linux-gcc f3842a0b1efbfbb74ac0ef60e56b301836d05b4d867d014f714fa750048f1ab6
 F Makefile.msc e64a52619310d3067f6c38f56eedd15918a82dade70954197d6da486ad99d7f4
 F README.md 6358805260a03ebead84e168bbf3740ddf3f683b477e478567186aa7afb490d3
-F VERSION c84541c6a9e8426462176fbb1f9ecb5cfd7d1bb56228053ff7eeba8841673eb6
+F VERSION 01b0b94ee03b29c27cb72ef03c460cd9476dee97b0cf8cf74b17a201e199820a
 F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
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@ -97,15 +97,15 @@ F ext/fts5/fts5Int.h defa43c0932265138ee910ca416e6baccf8b774e0f3d610e74be1ab2880
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@ -494,7 +494,7 @@ F ext/recover/recoverpgsz.test 3658ab8e68475b1bb87d6af88baa04551c84b73280a566a1b
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@ -568,6 +568,7 @@ F ext/session/session_speed_test.c dcf0ef58d76b70c8fbd9eab3be77cf9deb8bc1638fed8
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+P 63ee3584201fe3a126991e278bd4d7bf2d4ae5c4937d97e311686a69fd1cf69b
+Q +7f4de43733200beeb3ff0a70d51bbc68f5331895698ea95a82741cfd7bb66834
+R 1925f50d4d915494bbec6d09eb751f2d
+U dan
+Z bfb0012b12d420c95f9f9c70ce345eb0
 # Remove this line to create a well-formed Fossil manifest.
--- a/manifest.uuid
+++ b/manifest.uuid
@ -1 +1 @@
-96c92aba00c8375bc32fafcdf12429c58bd8aabfcadab6683e35bbb9cdebf19e
+f9a90a0d2cd04e44dcc53e8bd270447f5acf9b4d679e23b67810875b6ee95ca7
--- a/src/alter.c
+++ b/src/alter.c
@ -1320,7 +1320,7 @@ static int renameResolveTrigger(Parse *pParse){
  /* ALWAYS() because if the table of the trigger does not exist, the
  ** error would have been hit before this point */
  if( ALWAYS(pParse->pTriggerTab) ){
-    rc = sqlite3ViewGetColumnNames(pParse, pParse->pTriggerTab);
+    rc = sqlite3ViewGetColumnNames(pParse, pParse->pTriggerTab)!=0;
  }

  /* Resolve symbols in WHEN clause */
--- a/src/btree.c
+++ b/src/btree.c
@ -5989,7 +5989,7 @@ int sqlite3BtreeIndexMoveto(
     && indexCellCompare(pCur, 0, pIdxKey, xRecordCompare)<=0
     && pIdxKey->errCode==SQLITE_OK
    ){
-      pCur->curFlags &= ~BTCF_ValidOvfl;
+      pCur->curFlags &= ~(BTCF_ValidOvfl|BTCF_AtLast);
      if( !pCur->pPage->isInit ){
        return SQLITE_CORRUPT_BKPT;
      }
--- a/src/build.c
+++ b/src/build.c
@ -3064,8 +3064,9 @@ create_view_fail:
 #if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE)
 /*
 ** The Table structure pTable is really a VIEW.  Fill in the names of
-** the columns of the view in the pTable structure.  Return the number
-** of errors.  If an error is seen leave an error message in pParse->zErrMsg.
+** the columns of the view in the pTable structure.  Return non-zero if
+** there are errors.  If an error is seen an error message is left
+** in pParse->zErrMsg.
 */
 static SQLITE_NOINLINE int viewGetColumnNames(Parse *pParse, Table *pTable){
  Table *pSelTab;   /* A fake table from which we get the result set */
@ -3188,7 +3189,7 @@ static SQLITE_NOINLINE int viewGetColumnNames(Parse *pParse, Table *pTable){
    sqlite3DeleteColumnNames(db, pTable);
  }
 #endif /* SQLITE_OMIT_VIEW */
-  return nErr; 
+  return nErr + pParse->nErr; 
 }
 int sqlite3ViewGetColumnNames(Parse *pParse, Table *pTable){
  assert( pTable!=0 );
--- a/src/date.c
+++ b/src/date.c
@ -271,8 +271,8 @@ static void computeJD(DateTime *p){
    Y--;
    M += 12;
  }
-  A = Y/100;
-  B = 2 - A + (A/4);
+  A = (Y+4800)/100;
+  B = 38 - A + (A/4);
  X1 = 36525*(Y+4716)/100;
  X2 = 306001*(M+1)/10000;
  p->iJD = (sqlite3_int64)((X1 + X2 + D + B - 1524.5 ) * 86400000);
@ -456,7 +456,7 @@ static int validJulianDay(sqlite3_int64 iJD){
 ** Compute the Year, Month, and Day from the julian day number.
 */
 static void computeYMD(DateTime *p){
-  int Z, A, B, C, D, E, X1;
+  int Z, alpha, A, B, C, D, E, X1;
  if( p->validYMD ) return;
  if( !p->validJD ){
    p->Y = 2000;
@ -467,8 +467,8 @@ static void computeYMD(DateTime *p){
    return;
  }else{
    Z = (int)((p->iJD + 43200000)/86400000);
-    A = (int)((Z - 1867216.25)/36524.25);
-    A = Z + 1 + A - (A/4);
+    alpha = (int)((Z + 32044.75)/36524.25) - 52;
+    A = Z + 1 + alpha - ((alpha+100)/4) + 25;
    B = A + 1524;
    C = (int)((B - 122.1)/365.25);
    D = (36525*(C&32767))/100;
--- a/src/func.c
+++ b/src/func.c
@ -2206,6 +2206,8 @@ static void groupConcatValue(sqlite3_context *context){
      sqlite3_result_error_toobig(context);
    }else if( pAccum->accError==SQLITE_NOMEM ){
      sqlite3_result_error_nomem(context);
+    }else if( pGCC->nAccum>0 && pAccum->nChar==0 ){
+      sqlite3_result_text(context, "", 1, SQLITE_STATIC);
    }else{   
      const char *zText = sqlite3_str_value(pAccum);
      sqlite3_result_text(context, zText, pAccum->nChar, SQLITE_TRANSIENT);
--- a/src/insert.c
+++ b/src/insert.c
@ -717,6 +717,7 @@ Select *sqlite3MultiValues(Parse *pParse, Select *pLeft, ExprList *pRow){
        pRet->pSrc->nSrc = 1;
        pRet->pPrior = pLeft->pPrior;
        pRet->op = pLeft->op;
+        if( pRet->pPrior ) pRet->selFlags |= SF_Values;
        pLeft->pPrior = 0;
        pLeft->op = TK_SELECT;
        assert( pLeft->pNext==0 );
--- a/src/json.c
+++ b/src/json.c
@ -2847,7 +2847,9 @@ static u32 jsonLookupStep(
    zPath++;
    if( zPath[0]=='"' ){
      zKey = zPath + 1;
-      for(i=1; zPath[i] && zPath[i]!='"'; i++){}
+      for(i=1; zPath[i] && zPath[i]!='"'; i++){
+        if( zPath[i]=='\\' && zPath[i+1]!=0 ) i++;
+      }
      nKey = i-1;
      if( zPath[i] ){
        i++;
--- a/src/parse.y
+++ b/src/parse.y
@ -530,9 +530,9 @@ cmd ::= select(X).  {
          break;
        }
      }
-      if( (p->selFlags & SF_MultiValue)==0 && 
-        (mxSelect = pParse->db->aLimit[SQLITE_LIMIT_COMPOUND_SELECT])>0 &&
-        cnt>mxSelect
+      if( (p->selFlags & (SF_MultiValue|SF_Values))==0
+       && (mxSelect = pParse->db->aLimit[SQLITE_LIMIT_COMPOUND_SELECT])>0
+       && cnt>mxSelect
      ){
        sqlite3ErrorMsg(pParse, "too many terms in compound SELECT");
      }
--- a/src/resolve.c
+++ b/src/resolve.c
@ -228,7 +228,7 @@ static void extendFJMatch(
 static SQLITE_NOINLINE int isValidSchemaTableName(
  const char *zTab,         /* Name as it appears in the SQL */
  Table *pTab,              /* The schema table we are trying to match */
-  Schema *pSchema           /* non-NULL if a database qualifier is present */
+  const char *zDb           /* non-NULL if a database qualifier is present */
 ){
  const char *zLegacy;
  assert( pTab!=0 );
@ -239,7 +239,7 @@ static SQLITE_NOINLINE int isValidSchemaTableName(
    if( sqlite3StrICmp(zTab+7, &PREFERRED_TEMP_SCHEMA_TABLE[7])==0 ){
      return 1;
    }
-    if( pSchema==0 ) return 0;
+    if( zDb==0 ) return 0;
    if( sqlite3StrICmp(zTab+7, &LEGACY_SCHEMA_TABLE[7])==0 ) return 1;
    if( sqlite3StrICmp(zTab+7, &PREFERRED_SCHEMA_TABLE[7])==0 ) return 1;
  }else{
@ -422,7 +422,7 @@ static int lookupName(
            }
          }else if( sqlite3StrICmp(zTab, pTab->zName)!=0 ){
            if( pTab->tnum!=1 ) continue;
-            if( !isValidSchemaTableName(zTab, pTab, pSchema) ) continue;
+            if( !isValidSchemaTableName(zTab, pTab, zDb) ) continue;
          }
          assert( ExprUseYTab(pExpr) );
          if( IN_RENAME_OBJECT && pItem->zAlias ){
@ -1296,7 +1296,7 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
          sqlite3WalkExprList(pWalker, pExpr->pLeft->x.pList);
        }
 #ifndef SQLITE_OMIT_WINDOWFUNC
-        if( pWin ){
+        if( pWin && pParse->nErr==0 ){
          Select *pSel = pNC->pWinSelect;
          assert( pWin==0 || (ExprUseYWin(pExpr) && pWin==pExpr->y.pWin) );
          if( IN_RENAME_OBJECT==0 ){
@ -2154,6 +2154,9 @@ int sqlite3ResolveExprNames(
 ** Resolve all names for all expression in an expression list.  This is
 ** just like sqlite3ResolveExprNames() except that it works for an expression
 ** list rather than a single expression.
+**
+** The return value is SQLITE_OK (0) for success or SQLITE_ERROR (1) for a
+** failure.
 */
 int sqlite3ResolveExprListNames(
  NameContext *pNC,       /* Namespace to resolve expressions in. */
@ -2162,7 +2165,7 @@ int sqlite3ResolveExprListNames(
  int i;
  int savedHasAgg = 0;
  Walker w;
-  if( pList==0 ) return WRC_Continue;
+  if( pList==0 ) return SQLITE_OK;
  w.pParse = pNC->pParse;
  w.xExprCallback = resolveExprStep;
  w.xSelectCallback = resolveSelectStep;
@ -2176,7 +2179,7 @@ int sqlite3ResolveExprListNames(
 #if SQLITE_MAX_EXPR_DEPTH>0
    w.pParse->nHeight += pExpr->nHeight;
    if( sqlite3ExprCheckHeight(w.pParse, w.pParse->nHeight) ){
-      return WRC_Abort;
+      return SQLITE_ERROR;
    }
 #endif
    sqlite3WalkExprNN(&w, pExpr);
@ -2193,10 +2196,10 @@ int sqlite3ResolveExprListNames(
                          (NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg);
      pNC->ncFlags &= ~(NC_HasAgg|NC_MinMaxAgg|NC_HasWin|NC_OrderAgg);
    }
-    if( w.pParse->nErr>0 ) return WRC_Abort;
+    if( w.pParse->nErr>0 ) return SQLITE_ERROR;
  }
  pNC->ncFlags |= savedHasAgg;
-  return WRC_Continue;
+  return SQLITE_OK;
 }

 /*
--- a/src/select.c
+++ b/src/select.c
@ -6735,6 +6735,7 @@ static void finalizeAggFunctions(Parse *pParse, AggInfo *pAggInfo){
  for(i=0, pF=pAggInfo->aFunc; i<pAggInfo->nFunc; i++, pF++){
    ExprList *pList;
    assert( ExprUseXList(pF->pFExpr) );
+    if( pParse->nErr ) return;
    pList = pF->pFExpr->x.pList;
    if( pF->iOBTab>=0 ){
      /* For an ORDER BY aggregate, calls to OP_AggStep were deferred.  Inputs
@ -6944,6 +6945,7 @@ static void updateAccumulator(
    if( addrNext ){
      sqlite3VdbeResolveLabel(v, addrNext);
    }
+    if( pParse->nErr ) return;
  }
  if( regHit==0 && pAggInfo->nAccumulator ){
    regHit = regAcc;
@ -6953,6 +6955,7 @@ static void updateAccumulator(
  }
  for(i=0, pC=pAggInfo->aCol; i<pAggInfo->nAccumulator; i++, pC++){
    sqlite3ExprCode(pParse, pC->pCExpr, AggInfoColumnReg(pAggInfo,i));
+    if( pParse->nErr ) return;
  }

  pAggInfo->directMode = 0;
--- a/src/shell.c.in
+++ b/src/shell.c.in
@ -8977,7 +8977,6 @@ static int do_meta_command(char *zLine, ShellState *p){
      import_cleanup(&sCtx);
      shell_out_of_memory();
    }
-    nByte = strlen(zSql);    
    rc =  sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
    sqlite3_free(zSql);
    zSql = 0;
@ -8996,16 +8995,21 @@ static int do_meta_command(char *zLine, ShellState *p){
    sqlite3_finalize(pStmt);
    pStmt = 0;
    if( nCol==0 ) return 0; /* no columns, no error */
-    zSql = sqlite3_malloc64( nByte*2 + 20 + nCol*2 );
+
+    nByte = 64                 /* space for "INSERT INTO", "VALUES(", ")\0" */
+          + (zSchema ? strlen(zSchema)*2 + 2: 0)  /* Quoted schema name */
+          + strlen(zTable)*2 + 2                  /* Quoted table name */
+          + nCol*2;            /* Space for ",?" for each column */
+    zSql = sqlite3_malloc64( nByte );
    if( zSql==0 ){
      import_cleanup(&sCtx);
      shell_out_of_memory();
    }
    if( zSchema ){
-      sqlite3_snprintf(nByte+20, zSql, "INSERT INTO \"%w\".\"%w\" VALUES(?", 
+      sqlite3_snprintf(nByte, zSql, "INSERT INTO \"%w\".\"%w\" VALUES(?", 
                       zSchema, zTable);
    }else{
-      sqlite3_snprintf(nByte+20, zSql, "INSERT INTO \"%w\" VALUES(?", zTable);
+      sqlite3_snprintf(nByte, zSql, "INSERT INTO \"%w\" VALUES(?", zTable);
    }
    j = strlen30(zSql);
    for(i=1; i<nCol; i++){
@ -9014,6 +9018,7 @@ static int do_meta_command(char *zLine, ShellState *p){
    }
    zSql[j++] = ')';
    zSql[j] = 0;
+    assert( j<nByte );
    if( eVerbose>=2 ){
      oputf("Insert using: %s\n", zSql);
    }
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@ -3388,7 +3388,7 @@ struct SrcList {
 #define WHERE_AGG_DISTINCT     0x0400 /* Query is "SELECT agg(DISTINCT ...)" */
 #define WHERE_ORDERBY_LIMIT    0x0800 /* ORDERBY+LIMIT on the inner loop */
 #define WHERE_RIGHT_JOIN       0x1000 /* Processing a RIGHT JOIN */
-                        /*     0x2000    not currently used */
+#define WHERE_KEEP_ALL_JOINS   0x2000 /* Do not do the omit-noop-join opt */
 #define WHERE_USE_LIMIT        0x4000 /* Use the LIMIT in cost estimates */
                        /*     0x8000    not currently used */

--- a/src/vdbeInt.h
+++ b/src/vdbeInt.h
@ -540,6 +540,7 @@ struct PreUpdate {
  int iBlobWrite;                 /* Value returned by preupdate_blobwrite() */
  i64 iKey1;                      /* First key value passed to hook */
  i64 iKey2;                      /* Second key value passed to hook */
+  Mem oldipk;                     /* Memory cell holding "old" IPK value */
  Mem *aNew;                      /* Array of new.* values */
  Table *pTab;                    /* Schema object being updated */
  Index *pPk;                     /* PK index if pTab is WITHOUT ROWID */
--- a/src/vdbeapi.c
+++ b/src/vdbeapi.c
@ -2180,37 +2180,40 @@ int sqlite3_preupdate_old(sqlite3 *db, int iIdx, sqlite3_value **ppValue){
    goto preupdate_old_out;
  }

-  /* If the old.* record has not yet been loaded into memory, do so now. */
-  if( p->pUnpacked==0 ){
-    u32 nRec;
-    u8 *aRec;
-
-    assert( p->pCsr->eCurType==CURTYPE_BTREE );
-    nRec = sqlite3BtreePayloadSize(p->pCsr->uc.pCursor);
-    aRec = sqlite3DbMallocRaw(db, nRec);
-    if( !aRec ) goto preupdate_old_out;
-    rc = sqlite3BtreePayload(p->pCsr->uc.pCursor, 0, nRec, aRec);
-    if( rc==SQLITE_OK ){
-      p->pUnpacked = vdbeUnpackRecord(&p->keyinfo, nRec, aRec);
-      if( !p->pUnpacked ) rc = SQLITE_NOMEM;
-    }
-    if( rc!=SQLITE_OK ){
-      sqlite3DbFree(db, aRec);
-      goto preupdate_old_out;
-    }
-    p->aRecord = aRec;
-  }
-
-  pMem = *ppValue = &p->pUnpacked->aMem[iIdx];
  if( iIdx==p->pTab->iPKey ){
+    pMem = *ppValue = &p->oldipk;
    sqlite3VdbeMemSetInt64(pMem, p->iKey1);
-  }else if( iIdx>=p->pUnpacked->nField ){
-    *ppValue = (sqlite3_value *)columnNullValue();
-  }else if( p->pTab->aCol[iIdx].affinity==SQLITE_AFF_REAL ){
-    if( pMem->flags & (MEM_Int|MEM_IntReal) ){
-      testcase( pMem->flags & MEM_Int );
-      testcase( pMem->flags & MEM_IntReal );
-      sqlite3VdbeMemRealify(pMem);
+  }else{
+    /* If the old.* record has not yet been loaded into memory, do so now. */
+    if( p->pUnpacked==0 ){
+      u32 nRec;
+      u8 *aRec;
+
+      assert( p->pCsr->eCurType==CURTYPE_BTREE );
+      nRec = sqlite3BtreePayloadSize(p->pCsr->uc.pCursor);
+      aRec = sqlite3DbMallocRaw(db, nRec);
+      if( !aRec ) goto preupdate_old_out;
+      rc = sqlite3BtreePayload(p->pCsr->uc.pCursor, 0, nRec, aRec);
+      if( rc==SQLITE_OK ){
+        p->pUnpacked = vdbeUnpackRecord(&p->keyinfo, nRec, aRec);
+        if( !p->pUnpacked ) rc = SQLITE_NOMEM;
+      }
+      if( rc!=SQLITE_OK ){
+        sqlite3DbFree(db, aRec);
+        goto preupdate_old_out;
+      }
+      p->aRecord = aRec;
+    }
+
+    pMem = *ppValue = &p->pUnpacked->aMem[iIdx];
+    if( iIdx>=p->pUnpacked->nField ){
+      *ppValue = (sqlite3_value *)columnNullValue();
+    }else if( p->pTab->aCol[iIdx].affinity==SQLITE_AFF_REAL ){
+      if( pMem->flags & (MEM_Int|MEM_IntReal) ){
+        testcase( pMem->flags & MEM_Int );
+        testcase( pMem->flags & MEM_IntReal );
+        sqlite3VdbeMemRealify(pMem);
+      }
    }
  }

--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@ -5336,7 +5336,8 @@ sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe *v, int iVar, u8 aff){
  assert( iVar>0 );
  if( v ){
    Mem *pMem = &v->aVar[iVar-1];
-    assert( (v->db->flags & SQLITE_EnableQPSG)==0 );
+    assert( (v->db->flags & SQLITE_EnableQPSG)==0 
+         || (v->db->mDbFlags & DBFLAG_InternalFunc)!=0 );
    if( 0==(pMem->flags & MEM_Null) ){
      sqlite3_value *pRet = sqlite3ValueNew(v->db);
      if( pRet ){
@ -5356,7 +5357,8 @@ sqlite3_value *sqlite3VdbeGetBoundValue(Vdbe *v, int iVar, u8 aff){
 */
 void sqlite3VdbeSetVarmask(Vdbe *v, int iVar){
  assert( iVar>0 );
-  assert( (v->db->flags & SQLITE_EnableQPSG)==0 );
+  assert( (v->db->flags & SQLITE_EnableQPSG)==0 
+       || (v->db->mDbFlags & DBFLAG_InternalFunc)!=0 );
  if( iVar>=32 ){
    v->expmask |= 0x80000000;
  }else{
@ -5523,6 +5525,7 @@ void sqlite3VdbePreUpdateHook(
  sqlite3DbFree(db, preupdate.aRecord);
  vdbeFreeUnpacked(db, preupdate.keyinfo.nKeyField+1, preupdate.pUnpacked);
  vdbeFreeUnpacked(db, preupdate.keyinfo.nKeyField+1, preupdate.pNewUnpacked);
+  sqlite3VdbeMemRelease(&preupdate.oldipk);
  if( preupdate.aNew ){
    int i;
    for(i=0; i<pCsr->nField; i++){
--- a/src/where.c
+++ b/src/where.c
@ -3959,7 +3959,9 @@ static int whereLoopAddBtree(
                  " according to whereIsCoveringIndex()\n", pProbe->zName));
            }
          }
-        }else if( m==0 ){
+        }else if( m==0 
+           && (HasRowid(pTab) || pWInfo->pSelect!=0 || sqlite3FaultSim(700))
+        ){
          WHERETRACE(0x200,
             ("-> %s a covering index according to bitmasks\n",
             pProbe->zName, m==0 ? "is" : "is not"));
@ -5848,6 +5850,10 @@ static void showAllWhereLoops(WhereInfo *pWInfo, WhereClause *pWC){
 **      the right-most table of a subquery that was flattened into the
 **      main query and that subquery was the right-hand operand of an
 **      inner join that held an ON or USING clause.
+**   6) The ORDER BY clause has 63 or fewer terms
+**   7) The omit-noop-join optimization is enabled.
+**
+** Items (1), (6), and (7) are checked by the caller.
 **
 ** For example, given:
 **
@ -5893,6 +5899,7 @@ static SQLITE_NOINLINE Bitmask whereOmitNoopJoin(
    WhereTerm *pTerm, *pEnd;
    SrcItem *pItem;
    WhereLoop *pLoop;
+    Bitmask m1;
    pLoop = pWInfo->a[i].pWLoop;
    pItem = &pWInfo->pTabList->a[pLoop->iTab];
    if( (pItem->fg.jointype & (JT_LEFT|JT_RIGHT))!=JT_LEFT ) continue;
@ -5920,6 +5927,8 @@ static SQLITE_NOINLINE Bitmask whereOmitNoopJoin(
    }
    if( pTerm<pEnd ) continue;
    WHERETRACE(0xffffffff, ("-> drop loop %c not used\n", pLoop->cId));
+    m1 = MASKBIT(i)-1;
+    pWInfo->revMask = (m1 & pWInfo->revMask) | ((pWInfo->revMask>>1) & ~m1);
    notReady &= ~pLoop->maskSelf;
    for(pTerm=pWInfo->sWC.a; pTerm<pEnd; pTerm++){
      if( (pTerm->prereqAll & pLoop->maskSelf)!=0 ){
@ -6261,6 +6270,7 @@ WhereInfo *sqlite3WhereBegin(
  if( pOrderBy && pOrderBy->nExpr>=BMS ){
    pOrderBy = 0;
    wctrlFlags &= ~WHERE_WANT_DISTINCT;
+    wctrlFlags |= WHERE_KEEP_ALL_JOINS; /* Disable omit-noop-join opt */
  }

  /* The number of tables in the FROM clause is limited by the number of
@ -6561,10 +6571,10 @@ WhereInfo *sqlite3WhereBegin(
  ** in-line sqlite3WhereCodeOneLoopStart() for performance reasons.
  */
  notReady = ~(Bitmask)0;
-  if( pWInfo->nLevel>=2
-   && pResultSet!=0                         /* these two combine to guarantee */
-   && 0==(wctrlFlags & WHERE_AGG_DISTINCT)  /* condition (1) above */
-   && OptimizationEnabled(db, SQLITE_OmitNoopJoin)
+  if( pWInfo->nLevel>=2       /* Must be a join, or this opt8n is pointless */
+   && pResultSet!=0           /* Condition (1) */
+   && 0==(wctrlFlags & (WHERE_AGG_DISTINCT|WHERE_KEEP_ALL_JOINS)) /* (1),(6) */
+   && OptimizationEnabled(db, SQLITE_OmitNoopJoin)                /* (7) */
  ){
    notReady = whereOmitNoopJoin(pWInfo, notReady);
    nTabList = pWInfo->nLevel;
@ -6884,26 +6894,6 @@ whereBeginError:
  }
 #endif

-#ifdef SQLITE_DEBUG
-/*
-** Return true if cursor iCur is opened by instruction k of the
-** bytecode.  Used inside of assert() only.
-*/
-static int cursorIsOpen(Vdbe *v, int iCur, int k){
-  while( k>=0 ){
-    VdbeOp *pOp = sqlite3VdbeGetOp(v,k--);
-    if( pOp->p1!=iCur ) continue;
-    if( pOp->opcode==OP_Close ) return 0;
-    if( pOp->opcode==OP_OpenRead ) return 1;
-    if( pOp->opcode==OP_OpenWrite ) return 1;
-    if( pOp->opcode==OP_OpenDup ) return 1;
-    if( pOp->opcode==OP_OpenAutoindex ) return 1;
-    if( pOp->opcode==OP_OpenEphemeral ) return 1;
-  }
-  return 0;
-}
-#endif /* SQLITE_DEBUG */
-
 /*
 ** Generate the end of the WHERE loop.  See comments on
 ** sqlite3WhereBegin() for additional information.
@ -7203,16 +7193,10 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
            ** reference.  Verify that this is harmless - that the
            ** table being referenced really is open.
            */
-#ifdef SQLITE_ENABLE_OFFSET_SQL_FUNC
-            assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0
-                 || cursorIsOpen(v,pOp->p1,k)
-                 || pOp->opcode==OP_Offset
-            );
-#else
-            assert( (pLoop->wsFlags & WHERE_IDX_ONLY)==0
-                 || cursorIsOpen(v,pOp->p1,k)
-            );
-#endif
+            if( pLoop->wsFlags & WHERE_IDX_ONLY ){
+              sqlite3ErrorMsg(pParse, "internal query planner error");
+              pParse->rc = SQLITE_INTERNAL;
+            }
          }
        }else if( pOp->opcode==OP_Rowid ){
          pOp->p1 = pLevel->iIdxCur;
--- a/src/whereexpr.c
+++ b/src/whereexpr.c
@ -213,12 +213,26 @@ static int isLikeOrGlob(
     z = (u8*)pRight->u.zToken;
  }
  if( z ){
-
-    /* Count the number of prefix characters prior to the first wildcard */
+    /* Count the number of prefix bytes prior to the first wildcard.
+    ** or U+fffd character.  If the underlying database has a UTF16LE
+    ** encoding, then only consider ASCII characters.  Note that the
+    ** encoding of z[] is UTF8 - we are dealing with only UTF8 here in
+    ** this code, but the database engine itself might be processing
+    ** content using a different encoding. */
    cnt = 0;
    while( (c=z[cnt])!=0 && c!=wc[0] && c!=wc[1] && c!=wc[2] ){
      cnt++;
-      if( c==wc[3] && z[cnt]!=0 ) cnt++;
+      if( c==wc[3] && z[cnt]!=0 ){
+        cnt++;
+      }else if( c>=0x80 ){
+        const u8 *z2 = z+cnt-1;
+        if( sqlite3Utf8Read(&z2)==0xfffd || ENC(db)==SQLITE_UTF16LE ){
+          cnt--;
+          break;
+        }else{
+          cnt = (int)(z2-z);
+        }
+      }
    }

    /* The optimization is possible only if (1) the pattern does not begin
@ -229,11 +243,11 @@ static int isLikeOrGlob(
    ** range search. The third is because the caller assumes that the pattern
    ** consists of at least one character after all escapes have been
    ** removed.  */
-    if( (cnt>1 || (cnt>0 && z[0]!=wc[3])) && 255!=(u8)z[cnt-1] ){
+    if( (cnt>1 || (cnt>0 && z[0]!=wc[3])) && ALWAYS(255!=(u8)z[cnt-1]) ){
      Expr *pPrefix;

      /* A "complete" match if the pattern ends with "*" or "%" */
-      *pisComplete = c==wc[0] && z[cnt+1]==0;
+      *pisComplete = c==wc[0] && z[cnt+1]==0 && ENC(db)!=SQLITE_UTF16LE;

      /* Get the pattern prefix.  Remove all escapes from the prefix. */
      pPrefix = sqlite3Expr(db, TK_STRING, (char*)z);
--- a/test/date5.test
+++ b/test/date5.test
@ -0,0 +1,86 @@
+# 2024-08-19
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+# https://sqlite.org/forum/forumpost/eaa0a09786c6368b
+#
+# Apparently SQLite has been miscomputing leap-year dates before
+# the year 0400.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+# Skip this whole file if date and time functions are omitted
+# at compile-time
+#
+ifcapable {!datetime} {
+  finish_test
+  return
+}
+
+# Data sources:
+#   1-10  https://ssd.jpl.nasa.gov/tools/jdc/#/cd
+#   11    Jean Meeus, Astronomical Algorithms, ISBN 0-943396-61-1, p.59
+#   12    https://en.wikipedia.org/wiki/Julian_day
+#   
+# ID YEAR MONTH DAY JD
+set date5data {
+   1 2024     2  29 2460369.5
+   2 2024     3   1 2460370.5
+   3 2023     2  28 2460003.5
+   4 2023     3   1 2460004.5
+   5 2000     2  29 2451603.5
+   6 2000     3   1 2451604.5
+   7 1900     2  28 2415078.5
+   8 1900     3   1 2415079.5
+   9 1712     2  29 2346413.5
+  10 1712     3   1 2346414.5
+  11 1977     4  26 2443259.5
+  12 2013     1   1 2456293.5
+}
+
+foreach {id y m d jd} $date5data {
+  set date [format %04d-%02d-%02d $y $m $d]
+  do_execsql_test date5-jd$jd {
+    SELECT date($::jd);
+  } $date
+  do_execsql_test date5-cal/$date {
+    SELECT julianday($::date);
+  } $jd
+  for {set i 1} {$y+400*$i<=9999} {incr i} {
+    set y2 [expr {$y+400*$i}]
+    set date2 [format %04d-%02d-%02d $y2 $m $d]
+    set jd2 [expr {$jd+146097*$i}]
+    do_execsql_test date5-jd$jd2 {
+      SELECT date($::jd2);
+    } $date2
+    do_execsql_test date5-cal/$date2 {
+      SELECT julianday($::date2);
+    } $jd2
+  }
+  for {set i 1} {$y-400*$i>=-4712} {incr i} {
+    set y2 [expr {$y-400*$i}]
+    if {$y2<0} {
+      set date2 [format -%04d-%02d-%02d [expr {-$y2}] $m $d]
+    } else {
+      set date2 [format %04d-%02d-%02d $y2 $m $d]
+    }
+    set jd2 [expr {$jd-146097*$i}]
+    do_execsql_test date5-jd$jd2 {
+      SELECT date($::jd2);
+    } $date2
+    do_execsql_test date5-cal/$date2 {
+      SELECT julianday($::date2);
+    } $jd2
+  }
+}
+
+finish_test
--- a/test/fuzzinvariants.c
+++ b/test/fuzzinvariants.c
@ -38,6 +38,31 @@ static void reportInvariantFailed(
  int noOpt              /* True if opt flags inverted for pTest */
 );

+/*
+** Special parameter binding, for testing and debugging purposes.
+**
+**     $int_NNN      ->   integer value NNN
+**     $text_TTTT    ->   floating point value TTT with destructor
+*/
+static void bindDebugParameters(sqlite3_stmt *pStmt){
+  int nVar = sqlite3_bind_parameter_count(pStmt);
+  int i;
+  for(i=0; i<nVar; i++){
+    const char *zVar = sqlite3_bind_parameter_name(pStmt, i+1);
+    if( zVar==0 ) continue;
+    if( strncmp(zVar, "$int_", 5)==0 ){
+      sqlite3_bind_int(pStmt, i+1, atoi(&zVar[5]));
+    }else
+    if( strncmp(zVar, "$text_", 6)==0 ){
+      char *zBuf = sqlite3_malloc64( strlen(zVar)-5 );
+      if( zBuf ){
+        memcpy(zBuf, &zVar[6], strlen(zVar)-5);
+        sqlite3_bind_text64(pStmt, i+1, zBuf, -1, sqlite3_free, SQLITE_UTF8);
+      }
+    }
+  }
+}
+
 /*
 ** Do an invariant check on pStmt.  iCnt determines which invariant check to
 ** perform.  The first check is iCnt==0.
@ -107,6 +132,7 @@ int fuzz_invariant(
    return rc;
  }
  sqlite3_free(zTest);
+  bindDebugParameters(pTestStmt);
  nCol = sqlite3_column_count(pStmt);
  for(i=0; i<nCol; i++){
    rc = sqlite3_bind_value(pTestStmt,i+1+nParam,sqlite3_column_value(pStmt,i));
@ -171,6 +197,7 @@ int fuzz_invariant(
      printf("invariant-validity-check #2:\n%s\n", zSql);
      sqlite3_free(zSql);
    }
+    bindDebugParameters(pCk);
    while( (rc = sqlite3_step(pCk))==SQLITE_ROW ){
      for(i=0; i<nCol; i++){
        if( !sameValue(pStmt, i, pTestStmt, i, 0) ) break;
@ -199,6 +226,7 @@ int fuzz_invariant(
      }

      sqlite3_reset(pTestStmt);
+      bindDebugParameters(pCk);
      while( (rc = sqlite3_step(pTestStmt))==SQLITE_ROW ){
        for(i=0; i<nCol; i++){
          if( !sameValue(pStmt, i, pTestStmt, i, pCk) ) break;
@ -298,6 +326,7 @@ static char *fuzz_invariant_sql(sqlite3_stmt *pStmt, int iCnt){
    sqlite3_finalize(pBase);
    pBase = pStmt;
  }
+  bindDebugParameters(pBase);
  for(i=0; i<sqlite3_column_count(pStmt); i++){
    const char *zColName = sqlite3_column_name(pBase,i);
    const char *zSuffix = zColName ? strrchr(zColName, ':') : 0;
--- a/test/join2.test
+++ b/test/join2.test
@ -428,4 +428,25 @@ do_eqp_test 12.3 {
  `--SEARCH t1 USING INTEGER PRIMARY KEY (rowid=?) LEFT-JOIN
 }

+# 2024-09-05 https://sqlite.org/forum/forumpost/8a1e467e905b8d27
+# When performing the Omit-Noop-Join optimization, if FROM clause terms
+# to the right of the omitted join have the reverse-order bit set in the
+# WhereInfo.revMask bitmask, those bits need to be shifted to account
+# for the omitted join.
+#
+reset_db
+do_execsql_test 13.0 {
+  CREATE TABLE t1(a1 INTEGER PRIMARY KEY, b1 INT);
+  CREATE TABLE t2(c2 INT, d2 INTEGER PRIMARY KEY);
+  CREATE TABLE t3(e3 INTEGER PRIMARY KEY);
+  INSERT INTO t1 VALUES(33,0);
+  INSERT INTO t2 VALUES(33,1),(33,2);
+}
+do_execsql_test 13.1 {
+  SELECT t1.a1, t2.d2
+    FROM (t1 LEFT JOIN t3 ON t3.e3=t1.b1) JOIN t2 ON t2.c2=t1.a1
+   WHERE t1.a1=33
+   ORDER BY t2.d2 DESC;
+} {33 2 33 1}
+
 finish_test
--- a/test/json502.test
+++ b/test/json502.test
@ -64,4 +64,17 @@ ifcapable vtab {
  } {{\x17} 1 integer 1 1 null {$."\x17"} {$}}
 }

+# JSON PATH parsing bug involving backslash escapes, reported via
+# private email from Florent De'Neve on 2024-09-04.
+#
+do_execsql_test 5.1 {
+  SELECT json_extract('{"A\"Key":1}', '$.A"Key');
+} 1
+do_execsql_test 5.2 {
+  SELECT json_extract('{"A\"Key":1}', '$."A\"Key"');
+} 1
+do_execsql_test 5.3 {
+  SELECT JSON_SET('{}', '$."\"Key"', 1);
+} {{{"\"Key":1}}}
+
 finish_test
--- a/test/like.test
+++ b/test/like.test
@ -731,16 +731,16 @@ ifcapable like_opt&&!icu {
  }
  do_test like-9.5.1 {
    set res [sqlite3_exec_hex db {
-       SELECT x FROM t2 WHERE x LIKE '%fe%25'
+       SELECT 1 FROM t2 WHERE x LIKE '%fe%25'
    }]
-  } {0 {}}
+  } {0 {1 1}}
  ifcapable explain {
    do_test like-9.5.2 {
      set res [sqlite3_exec_hex db {
         EXPLAIN QUERY PLAN SELECT x FROM t2 WHERE x LIKE '%fe%25'
      }]
      regexp {INDEX i2} $res
-    } {1}
+    } {0}
  }

  # Do an SQL statement.  Append the search count to the end of the result.
--- a/test/returning1.test
+++ b/test/returning1.test
@ -531,4 +531,17 @@ do_execsql_test 21.1 {
  INSERT INTO sqlite_temp_schema DEFAULT VALUES RETURNING sqlite_temp_schema.name;
 } {{}}

+#-------------------------------------------------------------------------
+reset_db 
+do_execsql_test 22.0 {
+  PRAGMA writable_schema=ON;
+  CREATE TABLE xyz (a);
+}
+do_catchsql_test 22.1 {
+  INSERT INTO sqlite_temp_schema DEFAULT VALUES 
+    RETURNING
+    (SELECT * FROM xyz AS sqlite_master WHERE a=sqlite_master.name);
+} {1 {no such column: sqlite_master.name}}
+
+
 finish_test
--- a/test/select7.test
+++ b/test/select7.test
@ -155,6 +155,38 @@ if {[clang_sanitize_address]==0} {
  }
 }

+# https://issues.chromium.org/issues/358174302
+# Need to support an unlimited number of terms in a VALUES clause, even
+# if some of those terms contain double-quoted string literals.
+#
+do_execsql_test select7-6.5 {
+  DROP TABLE IF EXISTS t1;
+  CREATE TABLE t1(a,b,c);
+}
+sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT 10
+sqlite3_db_config db SQLITE_DBCONFIG_DQS_DML 0
+do_catchsql_test select7-6.6 {
+  INSERT INTO t1 VALUES
+    (NULL,0,""),  (X'',0.0,0.0),  (X'',X'',""),  (0.0,0.0,""),  (NULL,NULL,0.0),
+    (0,"",0),  (0.0,X'',0),  ("",X'',0.0),  (0.0,X'',NULL),  (0,NULL,""),
+    (0,"",NULL),  (0.0,NULL,X''),  ("",X'',NULL),  (NULL,0,""),
+    (0,NULL,0),  (X'',X'',0.0);
+} {1 {no such column: "" - should this be a string literal in single-quotes?}}
+do_execsql_test select7-6.7 {
+  SELECT count(*) FROM t1;
+} {0}
+sqlite3_db_config db SQLITE_DBCONFIG_DQS_DML 1
+do_catchsql_test select7-6.8 {
+  INSERT INTO t1 VALUES
+    (NULL,0,""),  (X'',0.0,0.0),  (X'',X'',""),  (0.0,0.0,""),  (NULL,NULL,0.0),
+    (0,"",0),  (0.0,X'',0),  ("",X'',0.0),  (0.0,X'',NULL),  (0,NULL,""),
+    (0,"",NULL),  (0.0,NULL,X''),  ("",X'',NULL),  (NULL,0,""),
+    (0,NULL,0),  (X'',X'',0.0);
+} {0 {}}
+do_execsql_test select7-6.9 {
+  SELECT count(*) FROM t1;
+} {16}
+
 # This block of tests verifies that bug aa92c76cd4 is fixed.
 #
 do_test select7-7.1 {
--- a/test/shell5.test
+++ b/test/shell5.test
@ -585,4 +585,16 @@ do_test shell5-7.1 {
 SELECT * FROM t1;}
 } {0 aaa|bbb|aaabbb}

+#-------------------------------------------------------------------------
+
+do_test shell5-8.1 {
+
+  set out [open shell5.csv w]
+  fconfigure $out -translation lf
+  puts $out x
+  close $out
+
+  catchcmd :memory: {.import --csv shell5.csv '""""""""""""""""""""""""""""""""""""""""""""""'}
+} {0 {}}
+
 finish_test
--- a/test/window1.test
+++ b/test/window1.test
@ -2375,5 +2375,23 @@ do_execsql_test 77.2 {
  SELECT max(~likely(x)) FILTER (WHERE true) FROM t1 INDEXED BY t1x GROUP BY x;
 } {-2 -3 -5 -9}

+# 2024-05-23 https://sqlite.org/forum/forumpost/bf8f43aa522c2299
+#
+# A bug in group_concat() when used as a window function, reported
+# just hours after the 3.46.0 release, though first appearing
+# in 3.28.0.
+#
+# When used as a window function, a group_concat() was not
+# correctly distinguishing between NULL and empty-string for
+# its return value.
+#
+do_execsql_test 78.1 {
+  SELECT quote(group_concat(x) OVER ()) FROM (SELECT '' AS x);
+} ''
+do_execsql_test 78.2 {
+  SELECT quote(group_concat(x) OVER (
+      ORDER BY y RANGE BETWEEN 1 FOLLOWING AND 2 FOLLOWING
+    )) FROM (SELECT 'abc' AS x, 1 AS y);
+} NULL

 finish_test
--- a/test/windowE.test
+++ b/test/windowE.test
@ -54,5 +54,57 @@ do_execsql_test 1.3 {
  5 5,4 5,4,1 5,4,1,6 5,4,1,6,3 5,4,1,6,3,2
 }

+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 2.0 {
+  CREATE TABLE t1(x);
+}
+
+sqlite3_create_aggregate db
+
+breakpoint
+do_catchsql_test 2.1 {
+  SELECT min(x) OVER w1 FROM t1
+    WINDOW w1 AS (PARTITION BY x_count(x) OVER w1);
+} {1 {x_count() may not be used as a window function}}
+
+do_catchsql_test 2.2 {
+  SELECT min(x) FILTER (WHERE x_count(x) OVER w1) OVER w1 FROM t1
+    WINDOW w1 AS (PARTITION BY x OVER w1);
+} {1 {near "OVER": syntax error}}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 3.0 {
+  BEGIN TRANSACTION;
+    CREATE TABLE t2(c1 INT, c2 REAL);
+    INSERT INTO t2 VALUES
+    (447,0.0), (448,0.0), (449,0.0), (452,0.0), (453,0.0), (454,0.0), (455,0.0),
+    (456,0.0), (459,0.0), (460,0.0), (462,0.0), (463,0.0), (466,0.0), (467,0.0),
+    (468,0.0), (469,0.0), (470,0.0), (473,0.0), (474,0.0), (475,0.0), (476,0.0),
+    (477,0.0), (480,0.0), (481,0.0), (482,0.0), (483,0.0), (484,0.0), (487,0.0),
+    (488,0.0), (489,0.0), (490,0.0), (491,0.0), (494,0.0), (495,0.0), (496,0.0),
+    (497,0.0), (498,0.0), (501,0.0), (502,0.0), (503,0.0), (504,0.0), (505,0.0),
+    (508,0.0), (509,0.0), (510,0.0), (511,0.0), (512,0.0), (515,0.0), (516,0.0),
+    (517,0.0), (518,0.0), (519,0.0), (522,0.0), (523,0.0), (524,0.0), (525,0.0),
+    (526,0.0), (529,0.0), (530,0.0), (531,0.0), (532,0.0), (533,0.0), (536,0.0),
+    (537,1.0), (538,0.0), (539,0.0), (540,0.0), (543,0.0), (544,0.0);
+  COMMIT;
+}
+
+do_execsql_test 3.1 {
+  select c1, max(c2) over (order by c1 range 366.0 preceding) from t2;
+} {
+  447 0.0 448 0.0 449 0.0 452 0.0 453 0.0 454 0.0 455 0.0 456 0.0 459 0.0 
+  460 0.0 462 0.0 463 0.0 466 0.0 467 0.0 468 0.0 469 0.0 470 0.0 473 0.0 
+  474 0.0 475 0.0 476 0.0 477 0.0 480 0.0 481 0.0 482 0.0 483 0.0 484 0.0 
+  487 0.0 488 0.0 489 0.0 490 0.0 491 0.0 494 0.0 495 0.0 496 0.0 497 0.0 
+  498 0.0 501 0.0 502 0.0 503 0.0 504 0.0 505 0.0 508 0.0 509 0.0 510 0.0 
+  511 0.0 512 0.0 515 0.0 516 0.0 517 0.0 518 0.0 519 0.0 522 0.0 523 0.0 
+  524 0.0 525 0.0 526 0.0 529 0.0 530 0.0 531 0.0 532 0.0 533 0.0 536 0.0 
+  537 1.0 538 1.0 539 1.0 540 1.0 543 1.0 544 1.0
+}
+
+
 finish_test
Author	SHA1	Message	Date
dan	d770c86b82	Avoid loading the entire record into memory for an sqlite3_preupdate_old() call that retrieves an IPK value. FossilOrigin-Name: f9a90a0d2cd04e44dcc53e8bd270447f5acf9b4d679e23b67810875b6ee95ca7	2024-11-04 17:33:26 +00:00
stephan	c251e9edb2	Fix the OPFS VFS's xOpen() to honor the read-only flag. Fix the OPFS SAHPool VFS to enable re-installation of the VFS after calling OpfsSAHPoolUtil.removeVfs(). FossilOrigin-Name: 63ee3584201fe3a126991e278bd4d7bf2d4ae5c4937d97e311686a69fd1cf69b	2024-10-17 12:17:18 +00:00
drh	5b6803c539	Fix handling of U+fffd in the LIKE optimization. FossilOrigin-Name: 242cb4bbee0707f470833d9f47efcfb5631f2302b9d48cffdbba63e64984827c	2024-10-07 12:24:51 +00:00
drh	d459ffa9c7	Ensure that the WhereInfo.revMask bitmap is adjusted when tables are removed from the FROM clause by the Omit-Noop-Join optimization. FossilOrigin-Name: 2b543fbc28a03661590fa7e1f9ded65e0758f6bf6e1ee05070b9bcad422ff087	2024-09-05 23:44:49 +00:00
drh	d9c90d3e45	Fix a bug in the parsing of some corner-case JSON PATH strings that contain escaped double-quotes. FossilOrigin-Name: c49c2a8c0082622890c2de006afad4f03f2c4ab931dde846e303d0374590b522	2024-09-04 16:45:51 +00:00
drh	7cf8f6cf12	Fix a case where the BTCF_AtLast flag was being left set incorrectly. This was causing obscure window function queries to fail. FossilOrigin-Name: 45778b0bb830c473c0733681c79c8055abadff94f552562f2e8965c9d8662abc	2024-08-29 17:18:41 +00:00
drh	8ac0935a76	Earlier error detection while processing complex aggregate queries. dbsqlfuzz 5242c2f07f4aa031aa3c80461f18e9b7619ede9b (The previous check-in on this branch really should have been this cherrypick.) FossilOrigin-Name: f9c6cbc1d38f30529e064edd7a7c1471b4ac54d576c9b9f0a77b36f23ed74b1a	2024-08-26 23:32:02 +00:00
drh	36e08ad540	Early termination of updateAccumulators() after error detection. FossilOrigin-Name: faecd4505d35ae4f8112b8e18a013676d7303537845696c1f44c7988f6bf08fe	2024-08-26 23:19:49 +00:00
drh	e49a3bcb78	Bind the new debug parameters in fuzzinvariants.c. FossilOrigin-Name: 29e9bcfa2e306ea3184c033f5d3a646263ae1399d5550c78f16bccb12ec448d3	2024-08-26 16:15:39 +00:00
drh	6d34c48a1c	Avoid a stack overflow that could be caused by a recursively defined WINDOW() with a strategically embedded error. FossilOrigin-Name: 074002718b2ecb9faa99e4509ee26aaf55b6d9301804e9d13b81708c4754a5a0	2024-08-24 17:37:14 +00:00
drh	22fa015c1b	When the database encoding is UTF-16LE and the GLOB optimization is used, it is ok to use the range search over an index, but it is not ok to disable the actual GLOB function call. FossilOrigin-Name: db917d50fda6eb7ba50dfebbf56ffdc7a97411e35f19733166ecd97a62573054	2024-08-20 14:16:26 +00:00
drh	200a01c467	The LIKE/GLOB optimization restricts its attention to the pattern prefix that is all ASCII. FossilOrigin-Name: 5815f13263b58c5cd9833f18c7fd8e5463255814d4cba72a5ed427cbd8105f8c	2024-08-20 12:15:08 +00:00
drh	2110735fab	Fix leap-year handling for dates prior to 0400-03-01. FossilOrigin-Name: 6767bf1c6713795a360da218a4e0f8106a264b54333849dd18b951ef6a82cba4	2024-08-19 14:23:57 +00:00
drh	f3d536d378	Version 3.46.1 FossilOrigin-Name: c9c2ab54ba1f5f46360f1b4f35d849cd3f080e6fc2b6c60e91b16c63f69a1e33	2024-08-13 09:16:08 +00:00
drh	a751fddd01	Revision to check-in d9f726ade6b258f8 so that OOM and other unrelated failures are not overridden by a syntax error in the tokenizer spec. FossilOrigin-Name: fc956353d3762d0e655b88f9d0c1a3840b40453a22e97160ccdf60485be56a92	2024-08-10 16:29:29 +00:00
drh	8cec7ac644	Fix behavior change in the offset() SQL function introduced by check-in f0b671183f44d0ae. FossilOrigin-Name: d6fc6e5f0a68c5b34c0f93e14a38a7e1bc1b72a66f2bcc400c3d7e0f0bab5a92	2024-08-10 14:56:06 +00:00
drh	016214ddf7	Cherrypick ALTER TABLE fixes from trunk so that ALTER TABLE no longer returns SQLITE_INTERNAL instead of SQLITE_ERROR after malformed input. FossilOrigin-Name: 6decf00f7c56746fac31469ccc098a5be1344b2cafa8011bfcfbc7923e3cd97b	2024-08-10 13:45:25 +00:00
drh	3b171836ec	Cherrypick various minor fixes from trunk into branch-3.46. FossilOrigin-Name: 6047b18ee3c4d8f2661386ef68c717f5892651c3d6f7e29a98a6b2795b3382d3	2024-08-10 11:02:23 +00:00
drh	21219fe313	Enhancements to covering-index prediction. Add early detection of over-prediction of covering-indexes so that sqlite3_prepare() will return an error rather than just generate bad bytecode. FossilOrigin-Name: 4afe3201f005bfd1aa66bbeebac659323d8a35dbee04d50fbf77ba96a94db91e	2024-08-10 10:14:47 +00:00
stephan	4c6a1298f8	Remove unused static var cBadGroup from ext/consio/console_io.c to resolve a compiler warning reported in the fossil forum. This is a build fix, not a functional change. FossilOrigin-Name: be3de2e600037aa30a8c2cd7d6cfe8f2ba5a9c3e89ac99e87634e2c8c67c1846	2024-08-09 12:20:15 +00:00
dan	b11e7e6aa7	Ensure sqlite3expert.c unregisters any SQL user-functions it registers with the database handle before returning. FossilOrigin-Name: 270831444812d77e2b3db9534753600f9aa5c88cbf29094feeba549e860a714b	2024-08-08 15:42:46 +00:00
drh	3c44d50e47	Do not let the number of terms on a VALUES clause be limited by SQLITE_LIMIT_COMPOUND_SELECT, even if the VALUES clause contains elements that appear to be variables due to the use of double-quoted string literals. FossilOrigin-Name: 05dbfad70c3eb39f84b91503fc9b4c1cb96843e5e6599584077b1a630936ddc7	2024-08-08 14:49:54 +00:00
stephan	9dc32eaa33	Move a misplaced va_end, as reported in [forum:702c79e9da\|forum post 702c79e9da]. FossilOrigin-Name: 569824c7ff79ed1aadd2a6bce34bfcd8bf4f68db9565f56b803182adad526bc7	2024-08-08 10:55:15 +00:00
drh	3903ad4497	Improved robustness of parsing of tokenize= arguments in FTS5. FossilOrigin-Name: 7a65ac42c2723b785786cf15f4b267ebfbd4f848f9fc6b37dcf9fac9abd0398c	2024-08-06 22:54:56 +00:00
stephan	655219897a	Slight doc touchup for [af41a1e6fc8b36e9bf65]/[c7519d98ff09e] based on feedback. No code changes. FossilOrigin-Name: a61997c315ce70d60f3722a2b3b3d06ba592ce1cafed1639a9d5f162f712ae03	2024-07-15 10:13:02 +00:00
stephan	a4ccda2979	Work around a difficult-to-trigger Atomics API message-passing quirk in the OPFS VFS which appears in rare instances in some browsers when running high I/O loads. This resolves [https://github.com/sqlite/sqlite-wasm/issues/12 \| issue #12 of the npm distribution]. FossilOrigin-Name: c7519d98ff09ed96c3c6f2cccf16f8efa19133e12cbb077fc86526f0e81f0470	2024-07-12 13:51:40 +00:00
stephan	17b83d28b8	Improve the JS-exception-to-C-result-code conversion to account for the case of a file disappearing while the OPFS VFS is waiting to acquire a lock on it. FossilOrigin-Name: d34e788044eec3bf90d6d2db5a2ce20b0b8aea926f776d21c2cb58124773e544	2024-06-17 13:06:53 +00:00
stephan	94dbae0c8d	Fix a potential db corruption case triggered by the OPFS VFS's xCheckReservedLock() implementation. FossilOrigin-Name: a7cd07d96ef420bb1512e6d575bf756809561a536c627900d0eeac879f72e63b	2024-06-12 21:08:02 +00:00
drh	2fdb32316d	Disable the omit-noop-join optimization when there are 64 or more terms in the ORDER BY clause. FossilOrigin-Name: a7fe90c1581e7e4ffbcb6fb9bcf1db7631cde612ad1d4a33b6b9a22640db5817	2024-06-09 17:58:09 +00:00
drh	ec79dfaf7e	Fix an fts5 problem with secure-delete mode causing integrity-check to erroneously report a corrupt index. FossilOrigin-Name: 0a7fa0a434bb84023bf9075463613857966ca579e18de903c0d9b1561acf42c6	2024-06-05 16:50:34 +00:00
drh	2eec675e6e	Fix a possible buffer overwrite in the ".import" command. FossilOrigin-Name: 55eee9f920e5dfdb88be5bb294707e743fa7ffe679fb0ff1e8f04b3a67ee271e	2024-05-27 11:38:03 +00:00
drh	ee8e00f53f	Ensure that sqlite3ViewGetColumnNames() returns non-zero on any error. FossilOrigin-Name: 01ead0a2d98cab8c58216387d76756419e20b827adba809596a2ad67382b9278	2024-05-25 23:17:49 +00:00
drh	0ed22ad847	Increase the version number to 3.46.1 FossilOrigin-Name: 170e3a91d53ec28ae25e6b0d15ef3af65438f776097a0b8b538f66c37583eeb5	2024-05-23 23:34:45 +00:00
drh	936c8e42e1	Fix the window-function group_concat() so that it returns an empty string if it has one or more empty string inputs. FossilOrigin-Name: 7fe11274fc05a3773846ab1908fcaf4dc6a1b5a95d8b6abad253137aee097379	2024-05-23 23:30:27 +00:00
 @ -1 +1 @@
 .46.0
 .46.1