Update SQLite to version 3.51.1 (#1424)

Co-authored-by: mceachen <216377+mceachen@users.noreply.github.com>

Author: JoshuaWise

deps/download.sh

@@ -19,7 +19,7 @@
 # ===
 
 YEAR="2025"
-VERSION="3510000"
+VERSION="3510100"
 
 # Defines below are sorted alphabetically
 DEFINES="

deps/sqlite3/sqlite3.c

@@ -1,6 +1,6 @@
 /******************************************************************************
 ** This file is an amalgamation of many separate C source files from SQLite
-** version 3.51.0.  By combining all the individual C code files into this
+** version 3.51.1.  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
@@ -18,7 +18,7 @@
 ** separate file. This file contains only code for the core SQLite library.
 **
 ** The content in this amalgamation comes from Fossil check-in
-** fb2c931ae597f8d00a37574ff67aeed3eced with changes in files:
+** 281fc0e9afc38674b9b0991943b9e9d1e64c with changes in files:
 **
 **    
 */
@@ -468,12 +468,12 @@ extern "C" {
 ** [sqlite3_libversion_number()], [sqlite3_sourceid()],
 ** [sqlite_version()] and [sqlite_source_id()].
 */
-#define SQLITE_VERSION        "3.51.0"
-#define SQLITE_VERSION_NUMBER 3051000
-#define SQLITE_SOURCE_ID      "2025-11-04 19:38:17 fb2c931ae597f8d00a37574ff67aeed3eced4e5547f9120744a-experimental"
-#define SQLITE_SCM_BRANCH     "unknown"
-#define SQLITE_SCM_TAGS       "unknown"
-#define SQLITE_SCM_DATETIME   "2025-11-04T19:38:17.314Z"
+#define SQLITE_VERSION        "3.51.1"
+#define SQLITE_VERSION_NUMBER 3051001
+#define SQLITE_SOURCE_ID      "2025-11-28 17:28:25 281fc0e9afc38674b9b0991943b9e9d1e64c6cbdb133d35f6f5c87ff6af38a88"
+#define SQLITE_SCM_BRANCH     "branch-3.51"
+#define SQLITE_SCM_TAGS       "release version-3.51.1"
+#define SQLITE_SCM_DATETIME   "2025-11-28T17:28:25.933Z"
 
 /*
 ** CAPI3REF: Run-Time Library Version Numbers
@@ -10748,7 +10748,7 @@ SQLITE_API int sqlite3_vtab_in(sqlite3_index_info*, int iCons, int bHandle);
 **    ){
 **      // do something with pVal
 **    }
-**    if( rc!=SQLITE_OK ){
+**    if( rc!=SQLITE_DONE ){
 **      // an error has occurred
 **    }
 ** </pre></blockquote>)^
@@ -38005,6 +38005,7 @@ SQLITE_PRIVATE void *sqlite3HashInsert(Hash *pH, const char *pKey, void *data){
   return 0;
 }
 
+
 /************** End of hash.c ************************************************/
 /************** Begin file opcodes.c *****************************************/
 /* Automatically generated.  Do not edit */
@@ -130656,6 +130657,7 @@ SQLITE_PRIVATE void sqlite3SchemaClear(void *p){
   for(pElem=sqliteHashFirst(&temp2); pElem; pElem=sqliteHashNext(pElem)){
     sqlite3DeleteTrigger(&xdb, (Trigger*)sqliteHashData(pElem));
   }
+
   sqlite3HashClear(&temp2);
   sqlite3HashInit(&pSchema->tblHash);
   for(pElem=sqliteHashFirst(&temp1); pElem; pElem=sqliteHashNext(pElem)){
@@ -160977,9 +160979,12 @@ SQLITE_PRIVATE int sqlite3VtabEponymousTableInit(Parse *pParse, Module *pMod){
   addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName));
   addModuleArgument(pParse, pTab, 0);
   addModuleArgument(pParse, pTab, sqlite3DbStrDup(db, pTab->zName));
+  db->nSchemaLock++;
   rc = vtabCallConstructor(db, pTab, pMod, pModule->xConnect, &zErr);
+  db->nSchemaLock--;
   if( rc ){
     sqlite3ErrorMsg(pParse, "%s", zErr);
+    pParse->rc = rc;
     sqlite3DbFree(db, zErr);
     sqlite3VtabEponymousTableClear(db, pMod);
   }
@@ -174041,8 +174046,22 @@ SQLITE_PRIVATE void sqlite3WhereEnd(WhereInfo *pWInfo){
         sqlite3VdbeAddOp2(v, OP_Goto, 1, pLevel->p2);
       }
 #endif /* SQLITE_DISABLE_SKIPAHEAD_DISTINCT */
-      if( pTabList->a[pLevel->iFrom].fg.fromExists ){
-        sqlite3VdbeAddOp2(v, OP_Goto, 0, sqlite3VdbeCurrentAddr(v)+2);
+      if( pTabList->a[pLevel->iFrom].fg.fromExists && i==pWInfo->nLevel-1 ){
+        /* If the EXISTS-to-JOIN optimization was applied, then the EXISTS
+        ** loop(s) will be the inner-most loops of the join. There might be
+        ** multiple EXISTS loops, but they will all be nested, and the join
+        ** order will not have been changed by the query planner.  If the
+        ** inner-most EXISTS loop sees a single successful row, it should
+        ** break out of *all* EXISTS loops.  But only the inner-most of the
+        ** nested EXISTS loops should do this breakout. */
+        int nOuter = 0; /* Nr of outer EXISTS that this one is nested within */
+        while( nOuter<i ){
+          if( !pTabList->a[pLevel[-nOuter-1].iFrom].fg.fromExists ) break;
+          nOuter++;
+        }
+        testcase( nOuter>0 );
+        sqlite3VdbeAddOp2(v, OP_Goto, 0, pLevel[-nOuter].addrBrk);
+        VdbeComment((v, "EXISTS break"));
       }
       /* The common case: Advance to the next row */
       if( pLevel->addrCont ) sqlite3VdbeResolveLabel(v, pLevel->addrCont);
@@ -186242,6 +186261,7 @@ SQLITE_PRIVATE void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){
   /* Clear the TEMP schema separately and last */
   if( db->aDb[1].pSchema ){
     sqlite3SchemaClear(db->aDb[1].pSchema);
+    assert( db->aDb[1].pSchema->trigHash.count==0 );
   }
   sqlite3VtabUnlockList(db);
 
@@ -187570,7 +187590,7 @@ SQLITE_API const char *sqlite3_errmsg(sqlite3 *db){
 */
 SQLITE_API int sqlite3_set_errmsg(sqlite3 *db, int errcode, const char *zMsg){
   int rc = SQLITE_OK;
-  if( !sqlite3SafetyCheckSickOrOk(db) ){
+  if( !sqlite3SafetyCheckOk(db) ){
     return SQLITE_MISUSE_BKPT;
   }
   sqlite3_mutex_enter(db->mutex);
@@ -249237,6 +249257,7 @@ static void fts5SegIterReverseInitPage(Fts5Index *p, Fts5SegIter *pIter){
   while( 1 ){
     u64 iDelta = 0;
 
+    if( i>=n ) break;
     if( eDetail==FTS5_DETAIL_NONE ){
       /* todo */
       if( i<n && a[i]==0 ){
@@ -260300,7 +260321,7 @@ static void fts5SourceIdFunc(
 ){
   assert( nArg==0 );
   UNUSED_PARAM2(nArg, apUnused);
-  sqlite3_result_text(pCtx, "fts5: 2025-11-04 19:38:17 fb2c931ae597f8d00a37574ff67aeed3eced4e5547f9120744ae4bfa8e74527b", -1, SQLITE_TRANSIENT);
+  sqlite3_result_text(pCtx, "fts5: 2025-11-28 17:28:25 281fc0e9afc38674b9b0991943b9e9d1e64c6cbdb133d35f6f5c87ff6af38a88", -1, SQLITE_TRANSIENT);
 }
 
 /*
@@ -265121,7 +265142,12 @@ static int fts5VocabOpenMethod(
   return rc;
 }
 
+/*
+** Restore cursor pCsr to the state it was in immediately after being
+** created by the xOpen() method.
+*/
 static void fts5VocabResetCursor(Fts5VocabCursor *pCsr){
+  int nCol = pCsr->pFts5->pConfig->nCol;
   pCsr->rowid = 0;
   sqlite3Fts5IterClose(pCsr->pIter);
   sqlite3Fts5StructureRelease(pCsr->pStruct);
@@ -265131,6 +265157,12 @@ static void fts5VocabResetCursor(Fts5VocabCursor *pCsr){
   pCsr->nLeTerm = -1;
   pCsr->zLeTerm = 0;
   pCsr->bEof = 0;
+  pCsr->iCol = 0;
+  pCsr->iInstPos = 0;
+  pCsr->iInstOff = 0;
+  pCsr->colUsed = 0;
+  memset(pCsr->aCnt, 0, sizeof(i64)*nCol);
+  memset(pCsr->aDoc, 0, sizeof(i64)*nCol);
 }
 
 /*

deps/sqlite3/sqlite3.h

@@ -146,12 +146,12 @@ extern "C" {
 ** [sqlite3_libversion_number()], [sqlite3_sourceid()],
 ** [sqlite_version()] and [sqlite_source_id()].
 */
-#define SQLITE_VERSION        "3.51.0"
-#define SQLITE_VERSION_NUMBER 3051000
-#define SQLITE_SOURCE_ID      "2025-11-04 19:38:17 fb2c931ae597f8d00a37574ff67aeed3eced4e5547f9120744a-experimental"
-#define SQLITE_SCM_BRANCH     "unknown"
-#define SQLITE_SCM_TAGS       "unknown"
-#define SQLITE_SCM_DATETIME   "2025-11-04T19:38:17.314Z"
+#define SQLITE_VERSION        "3.51.1"
+#define SQLITE_VERSION_NUMBER 3051001
+#define SQLITE_SOURCE_ID      "2025-11-28 17:28:25 281fc0e9afc38674b9b0991943b9e9d1e64c6cbdb133d35f6f5c87ff6af38a88"
+#define SQLITE_SCM_BRANCH     "branch-3.51"
+#define SQLITE_SCM_TAGS       "release version-3.51.1"
+#define SQLITE_SCM_DATETIME   "2025-11-28T17:28:25.933Z"
 
 /*
 ** CAPI3REF: Run-Time Library Version Numbers
@@ -10426,7 +10426,7 @@ SQLITE_API int sqlite3_vtab_in(sqlite3_index_info*, int iCons, int bHandle);
 **    ){
 **      // do something with pVal
 **    }
-**    if( rc!=SQLITE_OK ){
+**    if( rc!=SQLITE_DONE ){
 **      // an error has occurred
 **    }
 ** </pre></blockquote>)^

docs/compilation.md

@@ -43,7 +43,7 @@ If you're using a SQLite encryption extension that is a drop-in replacement for
 
 # Bundled configuration
 
-By default, this distribution currently uses SQLite **version 3.51.0** with the following [compilation options](https://www.sqlite.org/compile.html):
+By default, this distribution currently uses SQLite **version 3.51.1** with the following [compilation options](https://www.sqlite.org/compile.html):
 
 ```
 HAVE_INT16_T=1