Prepare release of version 2.2.6

- Update to SQLite 3.51.1

Author: utelle

CHANGELOG.md

@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [2.2.6] - 2025-11-30
+
+### Changed
+
+- Based on SQLite version 3.51.1
+
 ## [2.2.5] - 2025-11-06
 
 ### Changed
@@ -686,7 +692,8 @@ The following ciphers are supported:
 - AES 256 Bit CBC - SHA1/SHA256/SHA512 HMAC ([SQLCipher](https://www.zetetic.net/sqlcipher/), database versions 1, 2, 3, and 4)
 - RC4 - No HMAC ([System.Data.SQLite](http://system.data.sqlite.org))
 
-[Unreleased]: ../../compare/v2.2.5...HEAD
+[Unreleased]: ../../compare/v2.2.6...HEAD
+[2.2.6]: ../../compare/v2.2.5...v2.2.6
 [2.2.5]: ../../compare/v2.2.4...v2.2.5
 [2.2.4]: ../../compare/v2.2.3...v2.2.4
 [2.2.3]: ../../compare/v2.2.2...v2.2.3

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.24.0.0)
-project(sqlite3mc VERSION 2.2.5)
+project(sqlite3mc VERSION 2.2.6)
 
 # Helper macro
 macro(_Enable_MT _target)

configure.ac

@@ -4,7 +4,7 @@ dnl Copyright (C) 2019-2025 Ulrich Telle <[email protected]>
 dnl
 dnl This file is covered by the same licence as the entire SQLite3 Multiple Ciphers package.
 
-AC_INIT([sqlite3mc], [2.2.5], [[email protected]])
+AC_INIT([sqlite3mc], [2.2.6], [[email protected]])
 
 dnl This is the version tested with, might work with earlier ones.
 AC_PREREQ([2.69])

readme.md

@@ -10,13 +10,8 @@ The code was mainly developed under Windows, but was tested under Linux as well.
 
 ## Version information
 
-* 2.2.5 - *November 2025*
-  - Based on SQLite version 3.51.0
-  - Enabled extension PERCENTILE
-  - Updated build files
-  - Fixed issue #215 "Internal compiler error for VC++ 2017"
-  - Fixed issue #218 "Raw keys in SQLCipher notation are not handled correctly"
-  - Fixed issue #221 "Allow initializing library without default VFS"
+* 2.2.6 - *November 2025*
+  - Based on SQLite version 3.51.1
 
 For further version information please consult the [CHANGELOG](CHANGELOG.md).
 

src/rekeyvacuum.c

@@ -27,7 +27,7 @@
 ** Change 4: Call sqlite3mcBtreeSetPageSize instead of sqlite3BtreeSetPageSize for main database
 **           (sqlite3mcBtreeSetPageSize allows to reduce the number of reserved bytes)
 **
-** This code is generated by the script rekeyvacuum.sh from SQLite version 3.51.0 amalgamation.
+** This code is generated by the script rekeyvacuum.sh from SQLite version 3.51.1 amalgamation.
 */
 SQLITE_PRIVATE SQLITE_NOINLINE int sqlite3mcRunVacuumForRekey(
   char **pzErrMsg,        /* Write error message here */

src/shell.c

@@ -14958,6 +14958,7 @@ static char *intckMprintf(sqlite3_intck *p, const char *zFmt, ...){
     sqlite3_free(zRet);
     zRet = 0;
   }
+  va_end(ap);
   return zRet;
 }
 
@@ -29073,6 +29074,7 @@ static int do_meta_command(char *zLine, ShellState *p){
     }
     p->showHeader = savedShowHeader;
     p->shellFlgs = savedShellFlags;
+    rc = p->nErr>0;
   }else
 
   if( c=='e' && cli_strncmp(azArg[0], "echo", n)==0 ){

src/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:
 **
 **    
 */
@@ -467,12 +467,12 @@ 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 fb2c931ae597f8d00a37574ff67aeed3eced4e5547f9120744ae4bfa8e74527b"
-#define SQLITE_SCM_BRANCH     "trunk"
-#define SQLITE_SCM_TAGS       "release major-release version-3.51.0"
-#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
@@ -10747,7 +10747,7 @@ 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>)^
@@ -38004,6 +38004,7 @@ 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 */
@@ -130655,6 +130656,7 @@ 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)){
@@ -160976,9 +160978,12 @@ 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);
   }
@@ -174040,8 +174045,22 @@ 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);
@@ -186225,6 +186244,7 @@ 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);
 
@@ -187553,7 +187573,7 @@ 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);
@@ -249220,6 +249240,7 @@ 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 ){
@@ -260283,7 +260304,7 @@ 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);
 }
 
 /*
@@ -265104,7 +265125,12 @@ 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);
@@ -265114,6 +265140,12 @@ 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);
 }
 
 /*

src/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 fb2c931ae597f8d00a37574ff67aeed3eced4e5547f9120744ae4bfa8e74527b"
-#define SQLITE_SCM_BRANCH     "trunk"
-#define SQLITE_SCM_TAGS       "release major-release version-3.51.0"
-#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>)^

src/sqlite3mc_version.h

@@ -14,8 +14,8 @@
 
 #define SQLITE3MC_VERSION_MAJOR      2
 #define SQLITE3MC_VERSION_MINOR      2
-#define SQLITE3MC_VERSION_RELEASE    5
+#define SQLITE3MC_VERSION_RELEASE    6
 #define SQLITE3MC_VERSION_SUBRELEASE 0
-#define SQLITE3MC_VERSION_STRING     "SQLite3 Multiple Ciphers 2.2.5"
+#define SQLITE3MC_VERSION_STRING     "SQLite3 Multiple Ciphers 2.2.6"
 
 #endif /* SQLITE3MC_VERSION_H_ */