Index: extsrc/shell.c ================================================================== --- extsrc/shell.c +++ extsrc/shell.c @@ -31838,10 +31838,11 @@ { 0x02000000, 1, "Coroutines" }, { 0x04000000, 1, "NullUnusedCols" }, { 0x08000000, 1, "OnePass" }, { 0x10000000, 1, "OrderBySubq" }, { 0x20000000, 1, "StarQuery" }, + { 0x40000000, 1, "ExistsToJoin" }, { 0xffffffff, 0, "All" }, }; unsigned int curOpt; unsigned int newOpt; unsigned int m; Index: extsrc/sqlite3.c ================================================================== --- extsrc/sqlite3.c +++ extsrc/sqlite3.c @@ -16,11 +16,11 @@ ** if you want a wrapper to interface SQLite with your choice of programming ** language. The code for the "sqlite3" command-line shell is also in a ** separate file. This file contains only code for the core SQLite library. ** ** The content in this amalgamation comes from Fossil check-in -** 0083d5169a46104a25355bdd9d5a2f4027b0 with changes in files: +** 6f98b16d210a9f5b6ca4b4599e3dab3263ed with changes in files: ** ** */ #ifndef SQLITE_AMALGAMATION #define SQLITE_CORE 1 @@ -465,11 +465,11 @@ ** [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 "2025-06-30 16:41:40 0083d5169a46104a25355bdd9d5a2f4027b049191ebda571dd228477ec217296" +#define SQLITE_SOURCE_ID "2025-07-04 14:24:18 6f98b16d210a9f5b6ca4b4599e3dab3263eddbae7c70ddbcabf988f4a1014e8b" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version sqlite3_sourceid ** @@ -15565,10 +15565,11 @@ ** 0x00010000 Beginning of DELETE/INSERT/UPDATE processing ** 0x00020000 Transform DISTINCT into GROUP BY ** 0x00040000 SELECT tree dump after all code has been generated ** 0x00080000 NOT NULL strength reduction ** 0x00100000 Pointers are all shown as zero +** 0x00200000 EXISTS-to-JOIN optimization */ /* ** Macros for "wheretrace" */ @@ -16750,10 +16751,11 @@ }; SQLITE_PRIVATE int sqlite3BtreeInsert(BtCursor*, const BtreePayload *pPayload, int flags, int seekResult); SQLITE_PRIVATE int sqlite3BtreeFirst(BtCursor*, int *pRes); +SQLITE_PRIVATE int sqlite3BtreeIsEmpty(BtCursor *pCur, int *pRes); SQLITE_PRIVATE int sqlite3BtreeLast(BtCursor*, int *pRes); SQLITE_PRIVATE int sqlite3BtreeNext(BtCursor*, int flags); SQLITE_PRIVATE int sqlite3BtreeEof(BtCursor*); SQLITE_PRIVATE int sqlite3BtreePrevious(BtCursor*, int flags); SQLITE_PRIVATE i64 sqlite3BtreeIntegerKey(BtCursor*); @@ -17083,76 +17085,76 @@ #define OP_Last 32 /* jump0 */ #define OP_IfSizeBetween 33 /* jump */ #define OP_SorterSort 34 /* jump */ #define OP_Sort 35 /* jump */ #define OP_Rewind 36 /* jump0 */ -#define OP_SorterNext 37 /* jump */ -#define OP_Prev 38 /* jump */ -#define OP_Next 39 /* jump */ -#define OP_IdxLE 40 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxGT 41 /* jump, synopsis: key=r[P3@P4] */ -#define OP_IdxLT 42 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IfEmpty 37 /* jump, synopsis: if( empty(P1) ) goto P2 */ +#define OP_SorterNext 38 /* jump */ +#define OP_Prev 39 /* jump */ +#define OP_Next 40 /* jump */ +#define OP_IdxLE 41 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IdxGT 42 /* jump, synopsis: key=r[P3@P4] */ #define OP_Or 43 /* same as TK_OR, synopsis: r[P3]=(r[P1] || r[P2]) */ #define OP_And 44 /* same as TK_AND, synopsis: r[P3]=(r[P1] && r[P2]) */ -#define OP_IdxGE 45 /* jump, synopsis: key=r[P3@P4] */ -#define OP_RowSetRead 46 /* jump, synopsis: r[P3]=rowset(P1) */ -#define OP_RowSetTest 47 /* jump, synopsis: if r[P3] in rowset(P1) goto P2 */ -#define OP_Program 48 /* jump0 */ -#define OP_FkIfZero 49 /* jump, synopsis: if fkctr[P1]==0 goto P2 */ -#define OP_IfPos 50 /* jump, synopsis: if r[P1]>0 then r[P1]-=P3, goto P2 */ +#define OP_IdxLT 45 /* jump, synopsis: key=r[P3@P4] */ +#define OP_IdxGE 46 /* jump, synopsis: key=r[P3@P4] */ +#define OP_RowSetRead 47 /* jump, synopsis: r[P3]=rowset(P1) */ +#define OP_RowSetTest 48 /* jump, synopsis: if r[P3] in rowset(P1) goto P2 */ +#define OP_Program 49 /* jump0 */ +#define OP_FkIfZero 50 /* jump, synopsis: if fkctr[P1]==0 goto P2 */ #define OP_IsNull 51 /* jump, same as TK_ISNULL, synopsis: if r[P1]==NULL goto P2 */ #define OP_NotNull 52 /* jump, same as TK_NOTNULL, synopsis: if r[P1]!=NULL goto P2 */ #define OP_Ne 53 /* jump, same as TK_NE, synopsis: IF r[P3]!=r[P1] */ #define OP_Eq 54 /* jump, same as TK_EQ, synopsis: IF r[P3]==r[P1] */ #define OP_Gt 55 /* jump, same as TK_GT, synopsis: IF r[P3]>r[P1] */ #define OP_Le 56 /* jump, same as TK_LE, synopsis: IF r[P3]<=r[P1] */ #define OP_Lt 57 /* jump, same as TK_LT, synopsis: IF r[P3]=r[P1] */ #define OP_ElseEq 59 /* jump, same as TK_ESCAPE */ -#define OP_IfNotZero 60 /* jump, synopsis: if r[P1]!=0 then r[P1]--, goto P2 */ -#define OP_DecrJumpZero 61 /* jump, synopsis: if (--r[P1])==0 goto P2 */ -#define OP_IncrVacuum 62 /* jump */ -#define OP_VNext 63 /* jump */ -#define OP_Filter 64 /* jump, synopsis: if key(P3@P4) not in filter(P1) goto P2 */ -#define OP_PureFunc 65 /* synopsis: r[P3]=func(r[P2@NP]) */ -#define OP_Function 66 /* synopsis: r[P3]=func(r[P2@NP]) */ -#define OP_Return 67 -#define OP_EndCoroutine 68 -#define OP_HaltIfNull 69 /* synopsis: if r[P3]=null halt */ -#define OP_Halt 70 -#define OP_Integer 71 /* synopsis: r[P2]=P1 */ -#define OP_Int64 72 /* synopsis: r[P2]=P4 */ -#define OP_String 73 /* synopsis: r[P2]='P4' (len=P1) */ -#define OP_BeginSubrtn 74 /* synopsis: r[P2]=NULL */ -#define OP_Null 75 /* synopsis: r[P2..P3]=NULL */ -#define OP_SoftNull 76 /* synopsis: r[P1]=NULL */ -#define OP_Blob 77 /* synopsis: r[P2]=P4 (len=P1) */ -#define OP_Variable 78 /* synopsis: r[P2]=parameter(P1) */ -#define OP_Move 79 /* synopsis: r[P2@P3]=r[P1@P3] */ -#define OP_Copy 80 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ -#define OP_SCopy 81 /* synopsis: r[P2]=r[P1] */ -#define OP_IntCopy 82 /* synopsis: r[P2]=r[P1] */ -#define OP_FkCheck 83 -#define OP_ResultRow 84 /* synopsis: output=r[P1@P2] */ -#define OP_CollSeq 85 -#define OP_AddImm 86 /* synopsis: r[P1]=r[P1]+P2 */ -#define OP_RealAffinity 87 -#define OP_Cast 88 /* synopsis: affinity(r[P1]) */ -#define OP_Permutation 89 -#define OP_Compare 90 /* synopsis: r[P1@P3] <-> r[P2@P3] */ -#define OP_IsTrue 91 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */ -#define OP_ZeroOrNull 92 /* synopsis: r[P2] = 0 OR NULL */ -#define OP_Offset 93 /* synopsis: r[P3] = sqlite_offset(P1) */ -#define OP_Column 94 /* synopsis: r[P3]=PX cursor P1 column P2 */ -#define OP_TypeCheck 95 /* synopsis: typecheck(r[P1@P2]) */ -#define OP_Affinity 96 /* synopsis: affinity(r[P1@P2]) */ -#define OP_MakeRecord 97 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ -#define OP_Count 98 /* synopsis: r[P2]=count() */ -#define OP_ReadCookie 99 -#define OP_SetCookie 100 -#define OP_ReopenIdx 101 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenRead 102 /* synopsis: root=P2 iDb=P3 */ +#define OP_IfPos 60 /* jump, synopsis: if r[P1]>0 then r[P1]-=P3, goto P2 */ +#define OP_IfNotZero 61 /* jump, synopsis: if r[P1]!=0 then r[P1]--, goto P2 */ +#define OP_DecrJumpZero 62 /* jump, synopsis: if (--r[P1])==0 goto P2 */ +#define OP_IncrVacuum 63 /* jump */ +#define OP_VNext 64 /* jump */ +#define OP_Filter 65 /* jump, synopsis: if key(P3@P4) not in filter(P1) goto P2 */ +#define OP_PureFunc 66 /* synopsis: r[P3]=func(r[P2@NP]) */ +#define OP_Function 67 /* synopsis: r[P3]=func(r[P2@NP]) */ +#define OP_Return 68 +#define OP_EndCoroutine 69 +#define OP_HaltIfNull 70 /* synopsis: if r[P3]=null halt */ +#define OP_Halt 71 +#define OP_Integer 72 /* synopsis: r[P2]=P1 */ +#define OP_Int64 73 /* synopsis: r[P2]=P4 */ +#define OP_String 74 /* synopsis: r[P2]='P4' (len=P1) */ +#define OP_BeginSubrtn 75 /* synopsis: r[P2]=NULL */ +#define OP_Null 76 /* synopsis: r[P2..P3]=NULL */ +#define OP_SoftNull 77 /* synopsis: r[P1]=NULL */ +#define OP_Blob 78 /* synopsis: r[P2]=P4 (len=P1) */ +#define OP_Variable 79 /* synopsis: r[P2]=parameter(P1) */ +#define OP_Move 80 /* synopsis: r[P2@P3]=r[P1@P3] */ +#define OP_Copy 81 /* synopsis: r[P2@P3+1]=r[P1@P3+1] */ +#define OP_SCopy 82 /* synopsis: r[P2]=r[P1] */ +#define OP_IntCopy 83 /* synopsis: r[P2]=r[P1] */ +#define OP_FkCheck 84 +#define OP_ResultRow 85 /* synopsis: output=r[P1@P2] */ +#define OP_CollSeq 86 +#define OP_AddImm 87 /* synopsis: r[P1]=r[P1]+P2 */ +#define OP_RealAffinity 88 +#define OP_Cast 89 /* synopsis: affinity(r[P1]) */ +#define OP_Permutation 90 +#define OP_Compare 91 /* synopsis: r[P1@P3] <-> r[P2@P3] */ +#define OP_IsTrue 92 /* synopsis: r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4 */ +#define OP_ZeroOrNull 93 /* synopsis: r[P2] = 0 OR NULL */ +#define OP_Offset 94 /* synopsis: r[P3] = sqlite_offset(P1) */ +#define OP_Column 95 /* synopsis: r[P3]=PX cursor P1 column P2 */ +#define OP_TypeCheck 96 /* synopsis: typecheck(r[P1@P2]) */ +#define OP_Affinity 97 /* synopsis: affinity(r[P1@P2]) */ +#define OP_MakeRecord 98 /* synopsis: r[P3]=mkrec(r[P1@P2]) */ +#define OP_Count 99 /* synopsis: r[P2]=count() */ +#define OP_ReadCookie 100 +#define OP_SetCookie 101 +#define OP_ReopenIdx 102 /* synopsis: root=P2 iDb=P3 */ #define OP_BitAnd 103 /* same as TK_BITAND, synopsis: r[P3]=r[P1]&r[P2] */ #define OP_BitOr 104 /* same as TK_BITOR, synopsis: r[P3]=r[P1]|r[P2] */ #define OP_ShiftLeft 105 /* same as TK_LSHIFT, synopsis: r[P3]=r[P2]<>r[P1] */ #define OP_Add 107 /* same as TK_PLUS, synopsis: r[P3]=r[P1]+r[P2] */ @@ -17159,87 +17161,88 @@ #define OP_Subtract 108 /* same as TK_MINUS, synopsis: r[P3]=r[P2]-r[P1] */ #define OP_Multiply 109 /* same as TK_STAR, synopsis: r[P3]=r[P1]*r[P2] */ #define OP_Divide 110 /* same as TK_SLASH, synopsis: r[P3]=r[P2]/r[P1] */ #define OP_Remainder 111 /* same as TK_REM, synopsis: r[P3]=r[P2]%r[P1] */ #define OP_Concat 112 /* same as TK_CONCAT, synopsis: r[P3]=r[P2]+r[P1] */ -#define OP_OpenWrite 113 /* synopsis: root=P2 iDb=P3 */ -#define OP_OpenDup 114 +#define OP_OpenRead 113 /* synopsis: root=P2 iDb=P3 */ +#define OP_OpenWrite 114 /* synopsis: root=P2 iDb=P3 */ #define OP_BitNot 115 /* same as TK_BITNOT, synopsis: r[P2]= ~r[P1] */ -#define OP_OpenAutoindex 116 /* synopsis: nColumn=P2 */ -#define OP_OpenEphemeral 117 /* synopsis: nColumn=P2 */ +#define OP_OpenDup 116 +#define OP_OpenAutoindex 117 /* synopsis: nColumn=P2 */ #define OP_String8 118 /* same as TK_STRING, synopsis: r[P2]='P4' */ -#define OP_SorterOpen 119 -#define OP_SequenceTest 120 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ -#define OP_OpenPseudo 121 /* synopsis: P3 columns in r[P2] */ -#define OP_Close 122 -#define OP_ColumnsUsed 123 -#define OP_SeekScan 124 /* synopsis: Scan-ahead up to P1 rows */ -#define OP_SeekHit 125 /* synopsis: set P2<=seekHit<=P3 */ -#define OP_Sequence 126 /* synopsis: r[P2]=cursor[P1].ctr++ */ -#define OP_NewRowid 127 /* synopsis: r[P2]=rowid */ -#define OP_Insert 128 /* synopsis: intkey=r[P3] data=r[P2] */ -#define OP_RowCell 129 -#define OP_Delete 130 -#define OP_ResetCount 131 -#define OP_SorterCompare 132 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ -#define OP_SorterData 133 /* synopsis: r[P2]=data */ -#define OP_RowData 134 /* synopsis: r[P2]=data */ -#define OP_Rowid 135 /* synopsis: r[P2]=PX rowid of P1 */ -#define OP_NullRow 136 -#define OP_SeekEnd 137 -#define OP_IdxInsert 138 /* synopsis: key=r[P2] */ -#define OP_SorterInsert 139 /* synopsis: key=r[P2] */ -#define OP_IdxDelete 140 /* synopsis: key=r[P2@P3] */ -#define OP_DeferredSeek 141 /* synopsis: Move P3 to P1.rowid if needed */ -#define OP_IdxRowid 142 /* synopsis: r[P2]=rowid */ -#define OP_FinishSeek 143 -#define OP_Destroy 144 -#define OP_Clear 145 -#define OP_ResetSorter 146 -#define OP_CreateBtree 147 /* synopsis: r[P2]=root iDb=P1 flags=P3 */ -#define OP_SqlExec 148 -#define OP_ParseSchema 149 -#define OP_LoadAnalysis 150 -#define OP_DropTable 151 -#define OP_DropIndex 152 -#define OP_DropTrigger 153 +#define OP_OpenEphemeral 119 /* synopsis: nColumn=P2 */ +#define OP_SorterOpen 120 +#define OP_SequenceTest 121 /* synopsis: if( cursor[P1].ctr++ ) pc = P2 */ +#define OP_OpenPseudo 122 /* synopsis: P3 columns in r[P2] */ +#define OP_Close 123 +#define OP_ColumnsUsed 124 +#define OP_SeekScan 125 /* synopsis: Scan-ahead up to P1 rows */ +#define OP_SeekHit 126 /* synopsis: set P2<=seekHit<=P3 */ +#define OP_Sequence 127 /* synopsis: r[P2]=cursor[P1].ctr++ */ +#define OP_NewRowid 128 /* synopsis: r[P2]=rowid */ +#define OP_Insert 129 /* synopsis: intkey=r[P3] data=r[P2] */ +#define OP_RowCell 130 +#define OP_Delete 131 +#define OP_ResetCount 132 +#define OP_SorterCompare 133 /* synopsis: if key(P1)!=trim(r[P3],P4) goto P2 */ +#define OP_SorterData 134 /* synopsis: r[P2]=data */ +#define OP_RowData 135 /* synopsis: r[P2]=data */ +#define OP_Rowid 136 /* synopsis: r[P2]=PX rowid of P1 */ +#define OP_NullRow 137 +#define OP_SeekEnd 138 +#define OP_IdxInsert 139 /* synopsis: key=r[P2] */ +#define OP_SorterInsert 140 /* synopsis: key=r[P2] */ +#define OP_IdxDelete 141 /* synopsis: key=r[P2@P3] */ +#define OP_DeferredSeek 142 /* synopsis: Move P3 to P1.rowid if needed */ +#define OP_IdxRowid 143 /* synopsis: r[P2]=rowid */ +#define OP_FinishSeek 144 +#define OP_Destroy 145 +#define OP_Clear 146 +#define OP_ResetSorter 147 +#define OP_CreateBtree 148 /* synopsis: r[P2]=root iDb=P1 flags=P3 */ +#define OP_SqlExec 149 +#define OP_ParseSchema 150 +#define OP_LoadAnalysis 151 +#define OP_DropTable 152 +#define OP_DropIndex 153 #define OP_Real 154 /* same as TK_FLOAT, synopsis: r[P2]=P4 */ -#define OP_IntegrityCk 155 -#define OP_RowSetAdd 156 /* synopsis: rowset(P1)=r[P2] */ -#define OP_Param 157 -#define OP_FkCounter 158 /* synopsis: fkctr[P1]+=P2 */ -#define OP_MemMax 159 /* synopsis: r[P1]=max(r[P1],r[P2]) */ -#define OP_OffsetLimit 160 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ -#define OP_AggInverse 161 /* synopsis: accum=r[P3] inverse(r[P2@P5]) */ -#define OP_AggStep 162 /* synopsis: accum=r[P3] step(r[P2@P5]) */ -#define OP_AggStep1 163 /* synopsis: accum=r[P3] step(r[P2@P5]) */ -#define OP_AggValue 164 /* synopsis: r[P3]=value N=P2 */ -#define OP_AggFinal 165 /* synopsis: accum=r[P1] N=P2 */ -#define OP_Expire 166 -#define OP_CursorLock 167 -#define OP_CursorUnlock 168 -#define OP_TableLock 169 /* synopsis: iDb=P1 root=P2 write=P3 */ -#define OP_VBegin 170 -#define OP_VCreate 171 -#define OP_VDestroy 172 -#define OP_VOpen 173 -#define OP_VCheck 174 -#define OP_VInitIn 175 /* synopsis: r[P2]=ValueList(P1,P3) */ -#define OP_VColumn 176 /* synopsis: r[P3]=vcolumn(P2) */ -#define OP_VRename 177 -#define OP_Pagecount 178 -#define OP_MaxPgcnt 179 -#define OP_ClrSubtype 180 /* synopsis: r[P1].subtype = 0 */ -#define OP_GetSubtype 181 /* synopsis: r[P2] = r[P1].subtype */ -#define OP_SetSubtype 182 /* synopsis: r[P2].subtype = r[P1] */ -#define OP_FilterAdd 183 /* synopsis: filter(P1) += key(P3@P4) */ -#define OP_Trace 184 -#define OP_CursorHint 185 -#define OP_ReleaseReg 186 /* synopsis: release r[P1@P2] mask P3 */ -#define OP_Noop 187 -#define OP_Explain 188 -#define OP_Abortable 189 +#define OP_DropTrigger 155 +#define OP_IntegrityCk 156 +#define OP_RowSetAdd 157 /* synopsis: rowset(P1)=r[P2] */ +#define OP_Param 158 +#define OP_FkCounter 159 /* synopsis: fkctr[P1]+=P2 */ +#define OP_MemMax 160 /* synopsis: r[P1]=max(r[P1],r[P2]) */ +#define OP_OffsetLimit 161 /* synopsis: if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1) */ +#define OP_AggInverse 162 /* synopsis: accum=r[P3] inverse(r[P2@P5]) */ +#define OP_AggStep 163 /* synopsis: accum=r[P3] step(r[P2@P5]) */ +#define OP_AggStep1 164 /* synopsis: accum=r[P3] step(r[P2@P5]) */ +#define OP_AggValue 165 /* synopsis: r[P3]=value N=P2 */ +#define OP_AggFinal 166 /* synopsis: accum=r[P1] N=P2 */ +#define OP_Expire 167 +#define OP_CursorLock 168 +#define OP_CursorUnlock 169 +#define OP_TableLock 170 /* synopsis: iDb=P1 root=P2 write=P3 */ +#define OP_VBegin 171 +#define OP_VCreate 172 +#define OP_VDestroy 173 +#define OP_VOpen 174 +#define OP_VCheck 175 +#define OP_VInitIn 176 /* synopsis: r[P2]=ValueList(P1,P3) */ +#define OP_VColumn 177 /* synopsis: r[P3]=vcolumn(P2) */ +#define OP_VRename 178 +#define OP_Pagecount 179 +#define OP_MaxPgcnt 180 +#define OP_ClrSubtype 181 /* synopsis: r[P1].subtype = 0 */ +#define OP_GetSubtype 182 /* synopsis: r[P2] = r[P1].subtype */ +#define OP_SetSubtype 183 /* synopsis: r[P2].subtype = r[P1] */ +#define OP_FilterAdd 184 /* synopsis: filter(P1) += key(P3@P4) */ +#define OP_Trace 185 +#define OP_CursorHint 186 +#define OP_ReleaseReg 187 /* synopsis: release r[P1@P2] mask P3 */ +#define OP_Noop 188 +#define OP_Explain 189 +#define OP_Abortable 190 /* Properties such as "out2" or "jump" that are specified in ** comments following the "case" for each opcode in the vdbe.c ** are encoded into bitvectors as follows: */ @@ -17254,38 +17257,38 @@ #define OPFLG_INITIALIZER {\ /* 0 */ 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x41, 0x00,\ /* 8 */ 0x81, 0x01, 0x01, 0x81, 0x83, 0x83, 0x01, 0x01,\ /* 16 */ 0x03, 0x03, 0x01, 0x12, 0x01, 0xc9, 0xc9, 0xc9,\ /* 24 */ 0xc9, 0x01, 0x49, 0x49, 0x49, 0x49, 0xc9, 0x49,\ -/* 32 */ 0xc1, 0x01, 0x41, 0x41, 0xc1, 0x01, 0x41, 0x41,\ -/* 40 */ 0x41, 0x41, 0x41, 0x26, 0x26, 0x41, 0x23, 0x0b,\ -/* 48 */ 0x81, 0x01, 0x03, 0x03, 0x03, 0x0b, 0x0b, 0x0b,\ -/* 56 */ 0x0b, 0x0b, 0x0b, 0x01, 0x03, 0x03, 0x01, 0x41,\ -/* 64 */ 0x01, 0x00, 0x00, 0x02, 0x02, 0x08, 0x00, 0x10,\ -/* 72 */ 0x10, 0x10, 0x00, 0x10, 0x00, 0x10, 0x10, 0x00,\ -/* 80 */ 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x02, 0x02,\ -/* 88 */ 0x02, 0x00, 0x00, 0x12, 0x1e, 0x20, 0x40, 0x00,\ -/* 96 */ 0x00, 0x00, 0x10, 0x10, 0x00, 0x40, 0x40, 0x26,\ +/* 32 */ 0xc1, 0x01, 0x41, 0x41, 0xc1, 0x01, 0x01, 0x41,\ +/* 40 */ 0x41, 0x41, 0x41, 0x26, 0x26, 0x41, 0x41, 0x23,\ +/* 48 */ 0x0b, 0x81, 0x01, 0x03, 0x03, 0x0b, 0x0b, 0x0b,\ +/* 56 */ 0x0b, 0x0b, 0x0b, 0x01, 0x03, 0x03, 0x03, 0x01,\ +/* 64 */ 0x41, 0x01, 0x00, 0x00, 0x02, 0x02, 0x08, 0x00,\ +/* 72 */ 0x10, 0x10, 0x10, 0x00, 0x10, 0x00, 0x10, 0x10,\ +/* 80 */ 0x00, 0x00, 0x10, 0x10, 0x00, 0x00, 0x00, 0x02,\ +/* 88 */ 0x02, 0x02, 0x00, 0x00, 0x12, 0x1e, 0x20, 0x40,\ +/* 96 */ 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, 0x40, 0x26,\ /* 104 */ 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26, 0x26,\ -/* 112 */ 0x26, 0x00, 0x40, 0x12, 0x40, 0x40, 0x10, 0x00,\ -/* 120 */ 0x00, 0x00, 0x40, 0x00, 0x40, 0x40, 0x10, 0x10,\ -/* 128 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x50,\ -/* 136 */ 0x00, 0x40, 0x04, 0x04, 0x00, 0x40, 0x50, 0x40,\ -/* 144 */ 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00,\ -/* 152 */ 0x00, 0x00, 0x10, 0x00, 0x06, 0x10, 0x00, 0x04,\ -/* 160 */ 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ -/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x10, 0x50,\ -/* 176 */ 0x40, 0x00, 0x10, 0x10, 0x02, 0x12, 0x12, 0x00,\ -/* 184 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,} +/* 112 */ 0x26, 0x40, 0x00, 0x12, 0x40, 0x40, 0x10, 0x40,\ +/* 120 */ 0x00, 0x00, 0x00, 0x40, 0x00, 0x40, 0x40, 0x10,\ +/* 128 */ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00,\ +/* 136 */ 0x50, 0x00, 0x40, 0x04, 0x04, 0x00, 0x40, 0x50,\ +/* 144 */ 0x40, 0x10, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,\ +/* 152 */ 0x00, 0x00, 0x10, 0x00, 0x00, 0x06, 0x10, 0x00,\ +/* 160 */ 0x04, 0x1a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\ +/* 168 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x10,\ +/* 176 */ 0x50, 0x40, 0x00, 0x10, 0x10, 0x02, 0x12, 0x12,\ +/* 184 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,} /* The resolve3P2Values() routine is able to run faster if it knows ** the value of the largest JUMP opcode. The smaller the maximum ** JUMP opcode the better, so the mkopcodeh.tcl script that ** generated this include file strives to group all JUMP opcodes ** together near the beginning of the list. */ -#define SQLITE_MX_JUMP_OPCODE 64 /* Maximum JUMP opcode */ +#define SQLITE_MX_JUMP_OPCODE 65 /* Maximum JUMP opcode */ /************** End of opcodes.h *********************************************/ /************** Continuing where we left off in vdbe.h ***********************/ /* @@ -18300,10 +18303,11 @@ #define SQLITE_Coroutines 0x02000000 /* Co-routines for subqueries */ #define SQLITE_NullUnusedCols 0x04000000 /* NULL unused columns in subqueries */ #define SQLITE_OnePass 0x08000000 /* Single-pass DELETE and UPDATE */ #define SQLITE_OrderBySubq 0x10000000 /* ORDER BY in subquery helps outer */ #define SQLITE_StarQuery 0x20000000 /* Heurists for star queries */ +#define SQLITE_ExistsToJoin 0x40000000 /* The EXISTS-to-JOIN optimization */ #define SQLITE_AllOpts 0xffffffff /* All optimizations */ /* ** Macros for testing whether or not optimizations are enabled or disabled. */ @@ -19744,10 +19748,11 @@ unsigned isSynthUsing :1; /* u3.pUsing is synthesized from NATURAL */ unsigned isNestedFrom :1; /* pSelect is a SF_NestedFrom subquery */ unsigned rowidUsed :1; /* The ROWID of this table is referenced */ unsigned fixedSchema :1; /* Uses u4.pSchema, not u4.zDatabase */ unsigned hadSchema :1; /* Had u4.zDatabase before u4.pSchema */ + unsigned fromExists :1; /* Comes from WHERE EXISTS(...) */ } fg; int iCursor; /* The VDBE cursor number used to access this table */ Bitmask colUsed; /* Bit N set if column N used. Details above for N>62 */ union { char *zIndexedBy; /* Identifier from "INDEXED BY " clause */ @@ -20274,10 +20279,11 @@ u8 mayAbort; /* True if statement may throw an ABORT exception */ u8 hasCompound; /* Need to invoke convertCompoundSelectToSubquery() */ u8 disableLookaside; /* Number of times lookaside has been disabled */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ u8 withinRJSubrtn; /* Nesting level for RIGHT JOIN body subroutines */ + u8 bHasExists; /* Has a correlated "EXISTS (SELECT ....)" expression */ u8 mSubrtnSig; /* mini Bloom filter on available SubrtnSig.selId */ u8 eTriggerOp; /* TK_UPDATE, TK_INSERT or TK_DELETE */ u8 bReturning; /* Coding a RETURNING trigger */ u8 eOrconf; /* Default ON CONFLICT policy for trigger steps */ u8 disableTriggers; /* True to disable triggers */ @@ -37721,76 +37727,76 @@ /* 32 */ "Last" OpHelp(""), /* 33 */ "IfSizeBetween" OpHelp(""), /* 34 */ "SorterSort" OpHelp(""), /* 35 */ "Sort" OpHelp(""), /* 36 */ "Rewind" OpHelp(""), - /* 37 */ "SorterNext" OpHelp(""), - /* 38 */ "Prev" OpHelp(""), - /* 39 */ "Next" OpHelp(""), - /* 40 */ "IdxLE" OpHelp("key=r[P3@P4]"), - /* 41 */ "IdxGT" OpHelp("key=r[P3@P4]"), - /* 42 */ "IdxLT" OpHelp("key=r[P3@P4]"), + /* 37 */ "IfEmpty" OpHelp("if( empty(P1) ) goto P2"), + /* 38 */ "SorterNext" OpHelp(""), + /* 39 */ "Prev" OpHelp(""), + /* 40 */ "Next" OpHelp(""), + /* 41 */ "IdxLE" OpHelp("key=r[P3@P4]"), + /* 42 */ "IdxGT" OpHelp("key=r[P3@P4]"), /* 43 */ "Or" OpHelp("r[P3]=(r[P1] || r[P2])"), /* 44 */ "And" OpHelp("r[P3]=(r[P1] && r[P2])"), - /* 45 */ "IdxGE" OpHelp("key=r[P3@P4]"), - /* 46 */ "RowSetRead" OpHelp("r[P3]=rowset(P1)"), - /* 47 */ "RowSetTest" OpHelp("if r[P3] in rowset(P1) goto P2"), - /* 48 */ "Program" OpHelp(""), - /* 49 */ "FkIfZero" OpHelp("if fkctr[P1]==0 goto P2"), - /* 50 */ "IfPos" OpHelp("if r[P1]>0 then r[P1]-=P3, goto P2"), + /* 45 */ "IdxLT" OpHelp("key=r[P3@P4]"), + /* 46 */ "IdxGE" OpHelp("key=r[P3@P4]"), + /* 47 */ "RowSetRead" OpHelp("r[P3]=rowset(P1)"), + /* 48 */ "RowSetTest" OpHelp("if r[P3] in rowset(P1) goto P2"), + /* 49 */ "Program" OpHelp(""), + /* 50 */ "FkIfZero" OpHelp("if fkctr[P1]==0 goto P2"), /* 51 */ "IsNull" OpHelp("if r[P1]==NULL goto P2"), /* 52 */ "NotNull" OpHelp("if r[P1]!=NULL goto P2"), /* 53 */ "Ne" OpHelp("IF r[P3]!=r[P1]"), /* 54 */ "Eq" OpHelp("IF r[P3]==r[P1]"), /* 55 */ "Gt" OpHelp("IF r[P3]>r[P1]"), /* 56 */ "Le" OpHelp("IF r[P3]<=r[P1]"), /* 57 */ "Lt" OpHelp("IF r[P3]=r[P1]"), /* 59 */ "ElseEq" OpHelp(""), - /* 60 */ "IfNotZero" OpHelp("if r[P1]!=0 then r[P1]--, goto P2"), - /* 61 */ "DecrJumpZero" OpHelp("if (--r[P1])==0 goto P2"), - /* 62 */ "IncrVacuum" OpHelp(""), - /* 63 */ "VNext" OpHelp(""), - /* 64 */ "Filter" OpHelp("if key(P3@P4) not in filter(P1) goto P2"), - /* 65 */ "PureFunc" OpHelp("r[P3]=func(r[P2@NP])"), - /* 66 */ "Function" OpHelp("r[P3]=func(r[P2@NP])"), - /* 67 */ "Return" OpHelp(""), - /* 68 */ "EndCoroutine" OpHelp(""), - /* 69 */ "HaltIfNull" OpHelp("if r[P3]=null halt"), - /* 70 */ "Halt" OpHelp(""), - /* 71 */ "Integer" OpHelp("r[P2]=P1"), - /* 72 */ "Int64" OpHelp("r[P2]=P4"), - /* 73 */ "String" OpHelp("r[P2]='P4' (len=P1)"), - /* 74 */ "BeginSubrtn" OpHelp("r[P2]=NULL"), - /* 75 */ "Null" OpHelp("r[P2..P3]=NULL"), - /* 76 */ "SoftNull" OpHelp("r[P1]=NULL"), - /* 77 */ "Blob" OpHelp("r[P2]=P4 (len=P1)"), - /* 78 */ "Variable" OpHelp("r[P2]=parameter(P1)"), - /* 79 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), - /* 80 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), - /* 81 */ "SCopy" OpHelp("r[P2]=r[P1]"), - /* 82 */ "IntCopy" OpHelp("r[P2]=r[P1]"), - /* 83 */ "FkCheck" OpHelp(""), - /* 84 */ "ResultRow" OpHelp("output=r[P1@P2]"), - /* 85 */ "CollSeq" OpHelp(""), - /* 86 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), - /* 87 */ "RealAffinity" OpHelp(""), - /* 88 */ "Cast" OpHelp("affinity(r[P1])"), - /* 89 */ "Permutation" OpHelp(""), - /* 90 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), - /* 91 */ "IsTrue" OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"), - /* 92 */ "ZeroOrNull" OpHelp("r[P2] = 0 OR NULL"), - /* 93 */ "Offset" OpHelp("r[P3] = sqlite_offset(P1)"), - /* 94 */ "Column" OpHelp("r[P3]=PX cursor P1 column P2"), - /* 95 */ "TypeCheck" OpHelp("typecheck(r[P1@P2])"), - /* 96 */ "Affinity" OpHelp("affinity(r[P1@P2])"), - /* 97 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), - /* 98 */ "Count" OpHelp("r[P2]=count()"), - /* 99 */ "ReadCookie" OpHelp(""), - /* 100 */ "SetCookie" OpHelp(""), - /* 101 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), - /* 102 */ "OpenRead" OpHelp("root=P2 iDb=P3"), + /* 60 */ "IfPos" OpHelp("if r[P1]>0 then r[P1]-=P3, goto P2"), + /* 61 */ "IfNotZero" OpHelp("if r[P1]!=0 then r[P1]--, goto P2"), + /* 62 */ "DecrJumpZero" OpHelp("if (--r[P1])==0 goto P2"), + /* 63 */ "IncrVacuum" OpHelp(""), + /* 64 */ "VNext" OpHelp(""), + /* 65 */ "Filter" OpHelp("if key(P3@P4) not in filter(P1) goto P2"), + /* 66 */ "PureFunc" OpHelp("r[P3]=func(r[P2@NP])"), + /* 67 */ "Function" OpHelp("r[P3]=func(r[P2@NP])"), + /* 68 */ "Return" OpHelp(""), + /* 69 */ "EndCoroutine" OpHelp(""), + /* 70 */ "HaltIfNull" OpHelp("if r[P3]=null halt"), + /* 71 */ "Halt" OpHelp(""), + /* 72 */ "Integer" OpHelp("r[P2]=P1"), + /* 73 */ "Int64" OpHelp("r[P2]=P4"), + /* 74 */ "String" OpHelp("r[P2]='P4' (len=P1)"), + /* 75 */ "BeginSubrtn" OpHelp("r[P2]=NULL"), + /* 76 */ "Null" OpHelp("r[P2..P3]=NULL"), + /* 77 */ "SoftNull" OpHelp("r[P1]=NULL"), + /* 78 */ "Blob" OpHelp("r[P2]=P4 (len=P1)"), + /* 79 */ "Variable" OpHelp("r[P2]=parameter(P1)"), + /* 80 */ "Move" OpHelp("r[P2@P3]=r[P1@P3]"), + /* 81 */ "Copy" OpHelp("r[P2@P3+1]=r[P1@P3+1]"), + /* 82 */ "SCopy" OpHelp("r[P2]=r[P1]"), + /* 83 */ "IntCopy" OpHelp("r[P2]=r[P1]"), + /* 84 */ "FkCheck" OpHelp(""), + /* 85 */ "ResultRow" OpHelp("output=r[P1@P2]"), + /* 86 */ "CollSeq" OpHelp(""), + /* 87 */ "AddImm" OpHelp("r[P1]=r[P1]+P2"), + /* 88 */ "RealAffinity" OpHelp(""), + /* 89 */ "Cast" OpHelp("affinity(r[P1])"), + /* 90 */ "Permutation" OpHelp(""), + /* 91 */ "Compare" OpHelp("r[P1@P3] <-> r[P2@P3]"), + /* 92 */ "IsTrue" OpHelp("r[P2] = coalesce(r[P1]==TRUE,P3) ^ P4"), + /* 93 */ "ZeroOrNull" OpHelp("r[P2] = 0 OR NULL"), + /* 94 */ "Offset" OpHelp("r[P3] = sqlite_offset(P1)"), + /* 95 */ "Column" OpHelp("r[P3]=PX cursor P1 column P2"), + /* 96 */ "TypeCheck" OpHelp("typecheck(r[P1@P2])"), + /* 97 */ "Affinity" OpHelp("affinity(r[P1@P2])"), + /* 98 */ "MakeRecord" OpHelp("r[P3]=mkrec(r[P1@P2])"), + /* 99 */ "Count" OpHelp("r[P2]=count()"), + /* 100 */ "ReadCookie" OpHelp(""), + /* 101 */ "SetCookie" OpHelp(""), + /* 102 */ "ReopenIdx" OpHelp("root=P2 iDb=P3"), /* 103 */ "BitAnd" OpHelp("r[P3]=r[P1]&r[P2]"), /* 104 */ "BitOr" OpHelp("r[P3]=r[P1]|r[P2]"), /* 105 */ "ShiftLeft" OpHelp("r[P3]=r[P2]<>r[P1]"), /* 107 */ "Add" OpHelp("r[P3]=r[P1]+r[P2]"), @@ -37797,87 +37803,88 @@ /* 108 */ "Subtract" OpHelp("r[P3]=r[P2]-r[P1]"), /* 109 */ "Multiply" OpHelp("r[P3]=r[P1]*r[P2]"), /* 110 */ "Divide" OpHelp("r[P3]=r[P2]/r[P1]"), /* 111 */ "Remainder" OpHelp("r[P3]=r[P2]%r[P1]"), /* 112 */ "Concat" OpHelp("r[P3]=r[P2]+r[P1]"), - /* 113 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), - /* 114 */ "OpenDup" OpHelp(""), + /* 113 */ "OpenRead" OpHelp("root=P2 iDb=P3"), + /* 114 */ "OpenWrite" OpHelp("root=P2 iDb=P3"), /* 115 */ "BitNot" OpHelp("r[P2]= ~r[P1]"), - /* 116 */ "OpenAutoindex" OpHelp("nColumn=P2"), - /* 117 */ "OpenEphemeral" OpHelp("nColumn=P2"), + /* 116 */ "OpenDup" OpHelp(""), + /* 117 */ "OpenAutoindex" OpHelp("nColumn=P2"), /* 118 */ "String8" OpHelp("r[P2]='P4'"), - /* 119 */ "SorterOpen" OpHelp(""), - /* 120 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), - /* 121 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), - /* 122 */ "Close" OpHelp(""), - /* 123 */ "ColumnsUsed" OpHelp(""), - /* 124 */ "SeekScan" OpHelp("Scan-ahead up to P1 rows"), - /* 125 */ "SeekHit" OpHelp("set P2<=seekHit<=P3"), - /* 126 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), - /* 127 */ "NewRowid" OpHelp("r[P2]=rowid"), - /* 128 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), - /* 129 */ "RowCell" OpHelp(""), - /* 130 */ "Delete" OpHelp(""), - /* 131 */ "ResetCount" OpHelp(""), - /* 132 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), - /* 133 */ "SorterData" OpHelp("r[P2]=data"), - /* 134 */ "RowData" OpHelp("r[P2]=data"), - /* 135 */ "Rowid" OpHelp("r[P2]=PX rowid of P1"), - /* 136 */ "NullRow" OpHelp(""), - /* 137 */ "SeekEnd" OpHelp(""), - /* 138 */ "IdxInsert" OpHelp("key=r[P2]"), - /* 139 */ "SorterInsert" OpHelp("key=r[P2]"), - /* 140 */ "IdxDelete" OpHelp("key=r[P2@P3]"), - /* 141 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), - /* 142 */ "IdxRowid" OpHelp("r[P2]=rowid"), - /* 143 */ "FinishSeek" OpHelp(""), - /* 144 */ "Destroy" OpHelp(""), - /* 145 */ "Clear" OpHelp(""), - /* 146 */ "ResetSorter" OpHelp(""), - /* 147 */ "CreateBtree" OpHelp("r[P2]=root iDb=P1 flags=P3"), - /* 148 */ "SqlExec" OpHelp(""), - /* 149 */ "ParseSchema" OpHelp(""), - /* 150 */ "LoadAnalysis" OpHelp(""), - /* 151 */ "DropTable" OpHelp(""), - /* 152 */ "DropIndex" OpHelp(""), - /* 153 */ "DropTrigger" OpHelp(""), + /* 119 */ "OpenEphemeral" OpHelp("nColumn=P2"), + /* 120 */ "SorterOpen" OpHelp(""), + /* 121 */ "SequenceTest" OpHelp("if( cursor[P1].ctr++ ) pc = P2"), + /* 122 */ "OpenPseudo" OpHelp("P3 columns in r[P2]"), + /* 123 */ "Close" OpHelp(""), + /* 124 */ "ColumnsUsed" OpHelp(""), + /* 125 */ "SeekScan" OpHelp("Scan-ahead up to P1 rows"), + /* 126 */ "SeekHit" OpHelp("set P2<=seekHit<=P3"), + /* 127 */ "Sequence" OpHelp("r[P2]=cursor[P1].ctr++"), + /* 128 */ "NewRowid" OpHelp("r[P2]=rowid"), + /* 129 */ "Insert" OpHelp("intkey=r[P3] data=r[P2]"), + /* 130 */ "RowCell" OpHelp(""), + /* 131 */ "Delete" OpHelp(""), + /* 132 */ "ResetCount" OpHelp(""), + /* 133 */ "SorterCompare" OpHelp("if key(P1)!=trim(r[P3],P4) goto P2"), + /* 134 */ "SorterData" OpHelp("r[P2]=data"), + /* 135 */ "RowData" OpHelp("r[P2]=data"), + /* 136 */ "Rowid" OpHelp("r[P2]=PX rowid of P1"), + /* 137 */ "NullRow" OpHelp(""), + /* 138 */ "SeekEnd" OpHelp(""), + /* 139 */ "IdxInsert" OpHelp("key=r[P2]"), + /* 140 */ "SorterInsert" OpHelp("key=r[P2]"), + /* 141 */ "IdxDelete" OpHelp("key=r[P2@P3]"), + /* 142 */ "DeferredSeek" OpHelp("Move P3 to P1.rowid if needed"), + /* 143 */ "IdxRowid" OpHelp("r[P2]=rowid"), + /* 144 */ "FinishSeek" OpHelp(""), + /* 145 */ "Destroy" OpHelp(""), + /* 146 */ "Clear" OpHelp(""), + /* 147 */ "ResetSorter" OpHelp(""), + /* 148 */ "CreateBtree" OpHelp("r[P2]=root iDb=P1 flags=P3"), + /* 149 */ "SqlExec" OpHelp(""), + /* 150 */ "ParseSchema" OpHelp(""), + /* 151 */ "LoadAnalysis" OpHelp(""), + /* 152 */ "DropTable" OpHelp(""), + /* 153 */ "DropIndex" OpHelp(""), /* 154 */ "Real" OpHelp("r[P2]=P4"), - /* 155 */ "IntegrityCk" OpHelp(""), - /* 156 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), - /* 157 */ "Param" OpHelp(""), - /* 158 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), - /* 159 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), - /* 160 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), - /* 161 */ "AggInverse" OpHelp("accum=r[P3] inverse(r[P2@P5])"), - /* 162 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), - /* 163 */ "AggStep1" OpHelp("accum=r[P3] step(r[P2@P5])"), - /* 164 */ "AggValue" OpHelp("r[P3]=value N=P2"), - /* 165 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), - /* 166 */ "Expire" OpHelp(""), - /* 167 */ "CursorLock" OpHelp(""), - /* 168 */ "CursorUnlock" OpHelp(""), - /* 169 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), - /* 170 */ "VBegin" OpHelp(""), - /* 171 */ "VCreate" OpHelp(""), - /* 172 */ "VDestroy" OpHelp(""), - /* 173 */ "VOpen" OpHelp(""), - /* 174 */ "VCheck" OpHelp(""), - /* 175 */ "VInitIn" OpHelp("r[P2]=ValueList(P1,P3)"), - /* 176 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), - /* 177 */ "VRename" OpHelp(""), - /* 178 */ "Pagecount" OpHelp(""), - /* 179 */ "MaxPgcnt" OpHelp(""), - /* 180 */ "ClrSubtype" OpHelp("r[P1].subtype = 0"), - /* 181 */ "GetSubtype" OpHelp("r[P2] = r[P1].subtype"), - /* 182 */ "SetSubtype" OpHelp("r[P2].subtype = r[P1]"), - /* 183 */ "FilterAdd" OpHelp("filter(P1) += key(P3@P4)"), - /* 184 */ "Trace" OpHelp(""), - /* 185 */ "CursorHint" OpHelp(""), - /* 186 */ "ReleaseReg" OpHelp("release r[P1@P2] mask P3"), - /* 187 */ "Noop" OpHelp(""), - /* 188 */ "Explain" OpHelp(""), - /* 189 */ "Abortable" OpHelp(""), + /* 155 */ "DropTrigger" OpHelp(""), + /* 156 */ "IntegrityCk" OpHelp(""), + /* 157 */ "RowSetAdd" OpHelp("rowset(P1)=r[P2]"), + /* 158 */ "Param" OpHelp(""), + /* 159 */ "FkCounter" OpHelp("fkctr[P1]+=P2"), + /* 160 */ "MemMax" OpHelp("r[P1]=max(r[P1],r[P2])"), + /* 161 */ "OffsetLimit" OpHelp("if r[P1]>0 then r[P2]=r[P1]+max(0,r[P3]) else r[P2]=(-1)"), + /* 162 */ "AggInverse" OpHelp("accum=r[P3] inverse(r[P2@P5])"), + /* 163 */ "AggStep" OpHelp("accum=r[P3] step(r[P2@P5])"), + /* 164 */ "AggStep1" OpHelp("accum=r[P3] step(r[P2@P5])"), + /* 165 */ "AggValue" OpHelp("r[P3]=value N=P2"), + /* 166 */ "AggFinal" OpHelp("accum=r[P1] N=P2"), + /* 167 */ "Expire" OpHelp(""), + /* 168 */ "CursorLock" OpHelp(""), + /* 169 */ "CursorUnlock" OpHelp(""), + /* 170 */ "TableLock" OpHelp("iDb=P1 root=P2 write=P3"), + /* 171 */ "VBegin" OpHelp(""), + /* 172 */ "VCreate" OpHelp(""), + /* 173 */ "VDestroy" OpHelp(""), + /* 174 */ "VOpen" OpHelp(""), + /* 175 */ "VCheck" OpHelp(""), + /* 176 */ "VInitIn" OpHelp("r[P2]=ValueList(P1,P3)"), + /* 177 */ "VColumn" OpHelp("r[P3]=vcolumn(P2)"), + /* 178 */ "VRename" OpHelp(""), + /* 179 */ "Pagecount" OpHelp(""), + /* 180 */ "MaxPgcnt" OpHelp(""), + /* 181 */ "ClrSubtype" OpHelp("r[P1].subtype = 0"), + /* 182 */ "GetSubtype" OpHelp("r[P2] = r[P1].subtype"), + /* 183 */ "SetSubtype" OpHelp("r[P2].subtype = r[P1]"), + /* 184 */ "FilterAdd" OpHelp("filter(P1) += key(P3@P4)"), + /* 185 */ "Trace" OpHelp(""), + /* 186 */ "CursorHint" OpHelp(""), + /* 187 */ "ReleaseReg" OpHelp("release r[P1@P2] mask P3"), + /* 188 */ "Noop" OpHelp(""), + /* 189 */ "Explain" OpHelp(""), + /* 190 */ "Abortable" OpHelp(""), }; return azName[i]; } #endif @@ -73586,14 +73593,14 @@ u8 *pTmp; /* Temporary ptr into data[] */ assert( pPage->pBt!=0 ); assert( sqlite3PagerIswriteable(pPage->pDbPage) ); assert( CORRUPT_DB || iStart>=pPage->hdrOffset+6+pPage->childPtrSize ); - assert( CORRUPT_DB || iEnd <= pPage->pBt->usableSize ); + assert( CORRUPT_DB || iEnd <= (int)pPage->pBt->usableSize ); assert( sqlite3_mutex_held(pPage->pBt->mutex) ); assert( iSize>=4 ); /* Minimum cell size is 4 */ - assert( CORRUPT_DB || iStart<=pPage->pBt->usableSize-4 ); + assert( CORRUPT_DB || iStart<=(int)pPage->pBt->usableSize-4 ); /* The list of freeblocks must be in ascending order. Find the ** spot on the list where iStart should be inserted. */ hdr = pPage->hdrOffset; @@ -77323,10 +77330,34 @@ *pRes = 1; rc = SQLITE_OK; } return rc; } + +/* Set *pRes to 1 (true) if the BTree pointed to by cursor pCur contains zero +** rows of content. Set *pRes to 0 (false) if the table contains content. +** Return SQLITE_OK on success or some error code (ex: SQLITE_NOMEM) if +** something goes wrong. +*/ +SQLITE_PRIVATE int sqlite3BtreeIsEmpty(BtCursor *pCur, int *pRes){ + int rc; + + assert( cursorOwnsBtShared(pCur) ); + assert( sqlite3_mutex_held(pCur->pBtree->db->mutex) ); + if( pCur->eState==CURSOR_VALID ){ + *pRes = 0; + return SQLITE_OK; + } + rc = moveToRoot(pCur); + if( rc==SQLITE_EMPTY ){ + *pRes = 1; + rc = SQLITE_OK; + }else{ + *pRes = 0; + } + return rc; +} #ifdef SQLITE_DEBUG /* The cursors is CURSOR_VALID and has BTCF_AtLast set. Verify that ** this flags are true for a consistent database. ** @@ -100850,10 +100881,36 @@ VdbeBranchTaken(res!=0,2); if( res ) goto jump_to_p2; } break; } + +/* Opcode: IfEmpty P1 P2 * * * +** Synopsis: if( empty(P1) ) goto P2 +** +** Check to see if the b-tree table that cursor P1 references is empty +** and jump to P2 if it is. +*/ +case OP_IfEmpty: { /* jump */ + VdbeCursor *pC; + BtCursor *pCrsr; + int res; + + assert( pOp->p1>=0 && pOp->p1nCursor ); + assert( pOp->p2>=0 && pOp->p2nOp ); + + pC = p->apCsr[pOp->p1]; + assert( pC!=0 ); + assert( pC->eCurType==CURTYPE_BTREE ); + pCrsr = pC->uc.pCursor; + assert( pCrsr ); + rc = sqlite3BtreeIsEmpty(pCrsr, &res); + if( rc ) goto abort_due_to_error; + VdbeBranchTaken(res!=0,2); + if( res ) goto jump_to_p2; + break; +} /* Opcode: Next P1 P2 P3 * P5 ** ** Advance cursor P1 so that it points to the next key/data pair in its ** table or index. If there are no more key/value pairs then fall through @@ -102722,11 +102779,18 @@ sqlite3_vtab_cursor *pVCur; sqlite3_vtab *pVtab; const sqlite3_module *pModule; assert( p->bIsReader ); - pCur = 0; + pCur = p->apCsr[pOp->p1]; + if( pCur!=0 + && ALWAYS( pCur->eCurType==CURTYPE_VTAB ) + && ALWAYS( pCur->uc.pVCur->pVtab==pOp->p4.pVtab->pVtab ) + ){ + /* This opcode is a no-op if the cursor is already open */ + break; + } pVCur = 0; pVtab = pOp->p4.pVtab->pVtab; if( pVtab==0 || NEVER(pVtab->pModule==0) ){ rc = SQLITE_LOCKED; goto abort_due_to_error; @@ -109563,15 +109627,20 @@ ** type of the function */ return WRC_Prune; } #ifndef SQLITE_OMIT_SUBQUERY + case TK_EXISTS: + assert( ExprUseXSelect(pExpr) ); + pParse->bHasExists = 1; + /* no break */ deliberate_fall_through case TK_SELECT: - case TK_EXISTS: testcase( pExpr->op==TK_EXISTS ); #endif case TK_IN: { testcase( pExpr->op==TK_IN ); + testcase( pExpr->op==TK_EXISTS ); + testcase( pExpr->op==TK_SELECT ); if( ExprUseXSelect(pExpr) ){ int nRef = pNC->nRef; testcase( pNC->ncFlags & NC_IsCheck ); testcase( pNC->ncFlags & NC_PartIdx ); testcase( pNC->ncFlags & NC_IdxExpr ); @@ -111660,11 +111729,11 @@ return pRight; }else if( pRight==0 ){ return pLeft; }else{ u32 f = pLeft->flags | pRight->flags; - if( (f&(EP_OuterON|EP_InnerON|EP_IsFalse))==EP_IsFalse + if( (f&(EP_OuterON|EP_InnerON|EP_IsFalse|EP_HasFunc))==EP_IsFalse && !IN_RENAME_OBJECT ){ sqlite3ExprDeferredDelete(pParse, pLeft); sqlite3ExprDeferredDelete(pParse, pRight); return sqlite3Expr(db, TK_INTEGER, "0"); @@ -112940,12 +113009,15 @@ ** then compute the right operand first and do an IsNull jump if the ** right operand evalutes to NULL. */ if( exprEvalRhsFirst(pExpr) && sqlite3ExprCanBeNull(pExpr->pRight) ){ r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, pFree2); - addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r2); VdbeCoverage(v); + addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r2); + VdbeComment((v, "skip left operand")); + VdbeCoverage(v); }else{ + r2 = 0; /* Silence a false-positive uninit-var warning in MSVC */ addrIsNull = 0; } r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, pFree1); if( addrIsNull==0 ){ /* @@ -112955,11 +113027,13 @@ ** operand. */ if( ExprHasProperty(pExpr->pRight, EP_Subquery) && sqlite3ExprCanBeNull(pExpr->pLeft) ){ - addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r1); VdbeCoverage(v); + addrIsNull = sqlite3VdbeAddOp1(v, OP_IsNull, r1); + VdbeComment((v, "skip right operand")); + VdbeCoverage(v); } r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, pFree2); } *pR1 = r1; *pR2 = r2; @@ -114408,21 +114482,27 @@ dest.eDest = SRT_Exists; sqlite3VdbeAddOp2(v, OP_Integer, 0, dest.iSDParm); VdbeComment((v, "Init EXISTS result")); } if( pSel->pLimit ){ - /* The subquery already has a limit. If the pre-existing limit is X - ** then make the new limit X<>0 so that the new limit is either 1 or 0 */ - sqlite3 *db = pParse->db; - pLimit = sqlite3Expr(db, TK_INTEGER, "0"); - if( pLimit ){ - pLimit->affExpr = SQLITE_AFF_NUMERIC; - pLimit = sqlite3PExpr(pParse, TK_NE, - sqlite3ExprDup(db, pSel->pLimit->pLeft, 0), pLimit); - } - sqlite3ExprDeferredDelete(pParse, pSel->pLimit->pLeft); - pSel->pLimit->pLeft = pLimit; + /* The subquery already has a limit. If the pre-existing limit X is + ** not already integer value 1 or 0, then make the new limit X<>0 so that + ** the new limit is either 1 or 0 */ + Expr *pLeft = pSel->pLimit->pLeft; + if( ExprHasProperty(pLeft, EP_IntValue)==0 + || (pLeft->u.iValue!=1 && pLeft->u.iValue!=0) + ){ + sqlite3 *db = pParse->db; + pLimit = sqlite3Expr(db, TK_INTEGER, "0"); + if( pLimit ){ + pLimit->affExpr = SQLITE_AFF_NUMERIC; + pLimit = sqlite3PExpr(pParse, TK_NE, + sqlite3ExprDup(db, pLeft, 0), pLimit); + } + sqlite3ExprDeferredDelete(pParse, pLeft); + pSel->pLimit->pLeft = pLimit; + } }else{ /* If there is no pre-existing limit add a limit of 1 */ pLimit = sqlite3Expr(pParse->db, TK_INTEGER, "1"); pSel->pLimit = sqlite3PExpr(pParse, TK_LIMIT, pLimit, 0); } @@ -115628,10 +115708,11 @@ testcase( regFree2==0 ); if( addrIsNull ){ sqlite3VdbeAddOp2(v, OP_Goto, 0, sqlite3VdbeCurrentAddr(v)+2); sqlite3VdbeJumpHere(v, addrIsNull); sqlite3VdbeAddOp2(v, OP_Null, 0, target); + VdbeComment((v, "short-circut value")); } break; } case TK_UMINUS: { Expr *pLeft = pExpr->pLeft; @@ -128437,18 +128518,21 @@ ** Append the contents of SrcList p2 to SrcList p1 and return the resulting ** SrcList. Or, if an error occurs, return NULL. In all cases, p1 and p2 ** are deleted by this function. */ SQLITE_PRIVATE SrcList *sqlite3SrcListAppendList(Parse *pParse, SrcList *p1, SrcList *p2){ - assert( p1 && p1->nSrc==1 ); + assert( p1 ); if( p2 ){ - SrcList *pNew = sqlite3SrcListEnlarge(pParse, p1, p2->nSrc, 1); + int nOld = p1->nSrc; + SrcList *pNew = sqlite3SrcListEnlarge(pParse, p1, p2->nSrc, nOld); if( pNew==0 ){ sqlite3SrcListDelete(pParse->db, p2); }else{ p1 = pNew; - memcpy(&p1->a[1], p2->a, p2->nSrc*sizeof(SrcItem)); + memcpy(&p1->a[nOld], p2->a, p2->nSrc*sizeof(SrcItem)); + assert( nOld==1 || (p2->nSrc==1 && (p2->a[0].fg.jointype&JT_LTORJ)==0) ); + assert( p1->nSrc>=2 ); sqlite3DbFree(pParse->db, p2); p1->a[0].fg.jointype |= (JT_LTORJ & p1->a[1].fg.jointype); } } return p1; @@ -145523,11 +145607,11 @@ SrcList *pSrc, /* Array of tables to search */ int iStart, /* First member of pSrc->a[] to check */ int iEnd, /* Last member of pSrc->a[] to check */ const char *zCol, /* Name of the column we are looking for */ int *piTab, /* Write index of pSrc->a[] here */ - int *piCol, /* Write index of pSrc->a[*piTab].pTab->aCol[] here */ + int *piCol, /* Write index of pSrc->a[*piTab].pSTab->aCol[] here */ int bIgnoreHidden /* Ignore hidden columns */ ){ int i; /* For looping over tables in pSrc */ int iCol; /* Index of column matching zCol */ @@ -148175,11 +148259,13 @@ int unionTab; /* Cursor number of the temp table holding result */ u8 op = 0; /* One of the SRT_ operations to apply to self */ int priorOp; /* The SRT_ operation to apply to prior selects */ Expr *pLimit; /* Saved values of p->nLimit */ int addr; + int emptyBypass = 0; /* IfEmpty opcode to bypass RHS */ SelectDest uniondest; + testcase( p->op==TK_EXCEPT ); testcase( p->op==TK_UNION ); priorOp = SRT_Union; if( dest.eDest==priorOp ){ @@ -148214,10 +148300,12 @@ /* Code the current SELECT statement */ if( p->op==TK_EXCEPT ){ op = SRT_Except; + emptyBypass = sqlite3VdbeAddOp1(v, OP_IfEmpty, unionTab); + VdbeCoverage(v); }else{ assert( p->op==TK_UNION ); op = SRT_Union; } p->pPrior = 0; @@ -148234,10 +148322,11 @@ p->pPrior = pPrior; p->pOrderBy = 0; if( p->op==TK_UNION ){ p->nSelectRow = sqlite3LogEstAdd(p->nSelectRow, pPrior->nSelectRow); } + if( emptyBypass ) sqlite3VdbeJumpHere(v, emptyBypass); sqlite3ExprDelete(db, p->pLimit); p->pLimit = pLimit; p->iLimit = 0; p->iOffset = 0; @@ -148267,10 +148356,11 @@ int iCont, iBreak, iStart; Expr *pLimit; int addr; SelectDest intersectdest; int r1; + int emptyBypass; /* INTERSECT is different from the others since it requires ** two temporary tables. Hence it has its own case. Begin ** by allocating the tables we will need. */ @@ -148290,10 +148380,11 @@ TREETRACE(0x400, pParse, p, ("multiSelect INTERSECT left...\n")); rc = sqlite3Select(pParse, pPrior, &intersectdest); if( rc ){ goto multi_select_end; } + emptyBypass = sqlite3VdbeAddOp1(v, OP_IfEmpty, tab1); VdbeCoverage(v); /* Code the current SELECT into temporary table "tab2" */ addr = sqlite3VdbeAddOp2(v, OP_OpenEphemeral, tab2, 0); assert( p->addrOpenEphm[1] == -1 ); @@ -148321,11 +148412,11 @@ if( rc ) break; assert( p->pEList ); iBreak = sqlite3VdbeMakeLabel(pParse); iCont = sqlite3VdbeMakeLabel(pParse); computeLimitRegisters(pParse, p, iBreak); - sqlite3VdbeAddOp2(v, OP_Rewind, tab1, iBreak); VdbeCoverage(v); + sqlite3VdbeAddOp1(v, OP_Rewind, tab1); r1 = sqlite3GetTempReg(pParse); iStart = sqlite3VdbeAddOp2(v, OP_RowData, tab1, r1); sqlite3VdbeAddOp4Int(v, OP_NotFound, tab2, iCont, r1, 0); VdbeCoverage(v); sqlite3ReleaseTempReg(pParse, r1); @@ -148333,10 +148424,11 @@ 0, 0, &dest, iCont, iBreak); sqlite3VdbeResolveLabel(v, iCont); sqlite3VdbeAddOp2(v, OP_Next, tab1, iStart); VdbeCoverage(v); sqlite3VdbeResolveLabel(v, iBreak); sqlite3VdbeAddOp2(v, OP_Close, tab2, 0); + sqlite3VdbeJumpHere(v, emptyBypass); sqlite3VdbeAddOp2(v, OP_Close, tab1, 0); break; } } @@ -149011,10 +149103,11 @@ typedef struct SubstContext { Parse *pParse; /* The parsing context */ int iTable; /* Replace references to this table */ int iNewTable; /* New table number */ int isOuterJoin; /* Add TK_IF_NULL_ROW opcodes on each replacement */ + int nSelDepth; /* Depth of sub-query recursion. Top==1 */ ExprList *pEList; /* Replacement expressions */ ExprList *pCList; /* Collation sequences for replacement expr */ } SubstContext; /* Forward Declarations */ @@ -149117,10 +149210,13 @@ } } }else{ if( pExpr->op==TK_IF_NULL_ROW && pExpr->iTable==pSubst->iTable ){ pExpr->iTable = pSubst->iNewTable; + } + if( pExpr->op==TK_AGG_FUNCTION && pExpr->op2>=pSubst->nSelDepth ){ + pExpr->op2--; } pExpr->pLeft = substExpr(pSubst, pExpr->pLeft); pExpr->pRight = substExpr(pSubst, pExpr->pRight); if( ExprUseXSelect(pExpr) ){ substSelect(pSubst, pExpr->x.pSelect, 1); @@ -149155,10 +149251,11 @@ ){ SrcList *pSrc; SrcItem *pItem; int i; if( !p ) return; + pSubst->nSelDepth++; do{ substExprList(pSubst, p->pEList); substExprList(pSubst, p->pGroupBy); substExprList(pSubst, p->pOrderBy); p->pHaving = substExpr(pSubst, p->pHaving); @@ -149172,10 +149269,11 @@ if( pItem->fg.isTabFunc ){ substExprList(pSubst, pItem->u1.pFuncArg); } } }while( doPrior && (p = p->pPrior)!=0 ); + pSubst->nSelDepth--; } #endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* @@ -149783,11 +149881,11 @@ /* Defer deleting the Table object associated with the ** subquery until code generation is ** complete, since there may still exist Expr.pTab entries that ** refer to the subquery even after flattening. Ticket #3346. ** - ** pSubitem->pTab is always non-NULL by test restrictions and tests above. + ** pSubitem->pSTab is always non-NULL by test restrictions and tests above. */ if( ALWAYS(pSubitem->pSTab!=0) ){ Table *pTabToDel = pSubitem->pSTab; if( pTabToDel->nTabRef==1 ){ Parse *pToplevel = sqlite3ParseToplevel(pParse); @@ -149913,10 +150011,11 @@ SubstContext x; x.pParse = pParse; x.iTable = iParent; x.iNewTable = iNewParent; x.isOuterJoin = isOuterJoin; + x.nSelDepth = 0; x.pEList = pSub->pEList; x.pCList = findLeftmostExprlist(pSub); substSelect(&x, pParent, 0); } @@ -150498,10 +150597,11 @@ unsetJoinExpr(pNew, -1, 1); x.pParse = pParse; x.iTable = pSrc->iCursor; x.iNewTable = pSrc->iCursor; x.isOuterJoin = 0; + x.nSelDepth = 0; x.pEList = pSubq->pEList; x.pCList = findLeftmostExprlist(pSubq); pNew = substExpr(&x, pNew); #ifndef SQLITE_OMIT_WINDOWFUNC if( pSubq->pWin && 0==pushDownWindowCheck(pParse, pSubq, pNew) ){ @@ -150895,11 +150995,11 @@ ** a WITH clause on the stack currently maintained by the parser (on the ** pParse->pWith linked list). And if currently processing a CTE ** CTE expression, through routine checks to see if the reference is ** a recursive reference to the CTE. ** -** If pFrom matches a CTE according to either of these two above, pFrom->pTab +** If pFrom matches a CTE according to either of these two above, pFrom->pSTab ** and other fields are populated accordingly. ** ** Return 0 if no match is found. ** Return 1 if a match is found. ** Return 2 if an error condition is detected. @@ -152521,10 +152621,79 @@ pItem--; if( pItem->fg.isSubquery ) return 0; /* (1c-i) */ } return 1; } + +/* +** Argument pWhere is the WHERE clause belonging to SELECT statement p. This +** function attempts to transform expressions of the form: +** +** EXISTS (SELECT ...) +** +** into joins. For example, given +** +** CREATE TABLE sailors(sid INTEGER PRIMARY KEY, name TEXT); +** CREATE TABLE reserves(sid INT, day DATE, PRIMARY KEY(sid, day)); +** +** SELECT name FROM sailors AS S WHERE EXISTS ( +** SELECT * FROM reserves AS R WHERE S.sid = R.sid AND R.day = '2022-10-25' +** ); +** +** the SELECT statement may be transformed as follows: +** +** SELECT name FROM sailors AS S, reserves AS R +** WHERE S.sid = R.sid AND R.day = '2022-10-25'; +*/ +static SQLITE_NOINLINE void existsToJoin( + Parse *pParse, + Select *p, + Expr *pWhere +){ + if( pWhere + && !ExprHasProperty(pWhere, EP_OuterON|EP_InnerON) + && p->pSrc->nSrc>0 + && p->pSrc->nSrcdb->mallocFailed==0 + ){ + if( pWhere->op==TK_AND ){ + Expr *pRight = pWhere->pRight; + existsToJoin(pParse, p, pWhere->pLeft); + existsToJoin(pParse, p, pRight); + } + else if( pWhere->op==TK_EXISTS ){ + Select *pSub = pWhere->x.pSelect; + if( pSub->pSrc->nSrc==1 + && (pSub->selFlags & SF_Aggregate)==0 + && pSub->pWhere + && !pSub->pSrc->a[0].fg.isSubquery + ){ + memset(pWhere, 0, sizeof(*pWhere)); + pWhere->op = TK_INTEGER; + pWhere->u.iValue = 1; + ExprSetProperty(pWhere, EP_IntValue); + + assert( p->pWhere!=0 ); + pSub->pSrc->a[0].fg.fromExists = 1; + pSub->pSrc->a[0].fg.jointype |= JT_CROSS; + p->pSrc = sqlite3SrcListAppendList(pParse, p->pSrc, pSub->pSrc); + p->pWhere = sqlite3PExpr(pParse, TK_AND, p->pWhere, pSub->pWhere); + + pSub->pWhere = 0; + pSub->pSrc = 0; + sqlite3ParserAddCleanup(pParse, sqlite3SelectDeleteGeneric, pSub); +#if TREETRACE_ENABLED + if( sqlite3TreeTrace & 0x100000 ){ + TREETRACE(0x100000,pParse,p, + ("After EXISTS-to-JOIN optimization:\n")); + sqlite3TreeViewSelect(0, p, 0); + } +#endif + } + } + } +} /* ** Generate byte-code for the SELECT statement given in the p argument. ** ** The results are returned according to the SelectDest structure. @@ -152889,10 +153058,17 @@ #endif if( p->pNext==0 ) ExplainQueryPlanPop(pParse); return rc; } #endif + + /* If there may be an "EXISTS (SELECT ...)" in the WHERE clause, attempt + ** to change it into a join. */ + if( pParse->bHasExists && OptimizationEnabled(db,SQLITE_ExistsToJoin) ){ + existsToJoin(pParse, p, p->pWhere); + pTabList = p->pSrc; + } /* Do the WHERE-clause constant propagation optimization if this is ** a join. No need to spend time on this operation for non-join queries ** as the equivalent optimization will be handled by query planner in ** sqlite3WhereBegin(). tag-select-0330 @@ -153676,24 +153852,24 @@ ** over to a0,a1,a2. It then calls the output subroutine ** and resets the aggregate accumulator registers in preparation ** for the next GROUP BY batch. */ sqlite3VdbeAddOp2(v, OP_Gosub, regOutputRow, addrOutputRow); - VdbeComment((v, "output one row")); + VdbeComment((v, "output one row of %d", p->selId)); sqlite3ExprCodeMove(pParse, iBMem, iAMem, pGroupBy->nExpr); sqlite3VdbeAddOp2(v, OP_IfPos, iAbortFlag, addrEnd); VdbeCoverage(v); VdbeComment((v, "check abort flag")); sqlite3VdbeAddOp2(v, OP_Gosub, regReset, addrReset); - VdbeComment((v, "reset accumulator")); + VdbeComment((v, "reset accumulator %d", p->selId)); /* Update the aggregate accumulators based on the content of ** the current row */ sqlite3VdbeJumpHere(v, addr1); updateAccumulator(pParse, iUseFlag, pAggInfo, eDist); sqlite3VdbeAddOp2(v, OP_Integer, 1, iUseFlag); - VdbeComment((v, "indicate data in accumulator")); + VdbeComment((v, "indicate data in accumulator %d", p->selId)); /* End of the loop */ if( groupBySort ){ sqlite3VdbeAddOp2(v, OP_SorterNext, pAggInfo->sortingIdx,addrTopOfLoop); @@ -153706,11 +153882,11 @@ sqlite3ExprListDelete(db, pDistinct); /* Output the final row of result */ sqlite3VdbeAddOp2(v, OP_Gosub, regOutputRow, addrOutputRow); - VdbeComment((v, "output final row")); + VdbeComment((v, "output final row of %d", p->selId)); /* Jump over the subroutines */ sqlite3VdbeGoto(v, addrEnd); @@ -153727,26 +153903,26 @@ sqlite3VdbeAddOp1(v, OP_Return, regOutputRow); sqlite3VdbeResolveLabel(v, addrOutputRow); addrOutputRow = sqlite3VdbeCurrentAddr(v); sqlite3VdbeAddOp2(v, OP_IfPos, iUseFlag, addrOutputRow+2); VdbeCoverage(v); - VdbeComment((v, "Groupby result generator entry point")); + VdbeComment((v, "Groupby result generator entry point %d", p->selId)); sqlite3VdbeAddOp1(v, OP_Return, regOutputRow); finalizeAggFunctions(pParse, pAggInfo); sqlite3ExprIfFalse(pParse, pHaving, addrOutputRow+1, SQLITE_JUMPIFNULL); selectInnerLoop(pParse, p, -1, &sSort, &sDistinct, pDest, addrOutputRow+1, addrSetAbort); sqlite3VdbeAddOp1(v, OP_Return, regOutputRow); - VdbeComment((v, "end groupby result generator")); + VdbeComment((v, "end groupby result generator %d", p->selId)); /* Generate a subroutine that will reset the group-by accumulator */ sqlite3VdbeResolveLabel(v, addrReset); resetAccumulator(pParse, pAggInfo); sqlite3VdbeAddOp2(v, OP_Integer, 0, iUseFlag); - VdbeComment((v, "indicate accumulator empty")); + VdbeComment((v, "indicate accumulator %d empty", p->selId)); sqlite3VdbeAddOp1(v, OP_Return, regReset); if( distFlag!=0 && eDist!=WHERE_DISTINCT_NOOP ){ struct AggInfo_func *pF = &pAggInfo->aFunc[0]; fixDistinctOpenEph(pParse, eDist, pF->iDistinct, pF->iDistAddr); @@ -159334,10 +159510,11 @@ struct WhereLevel { int iLeftJoin; /* Memory cell used to implement LEFT OUTER JOIN */ int iTabCur; /* The VDBE cursor used to access the table */ int iIdxCur; /* The VDBE cursor used to access pIdx */ int addrBrk; /* Jump here to break out of the loop */ + int addrHalt; /* Abort the query due to empty table or similar */ int addrNxt; /* Jump here to start the next IN combination */ int addrSkip; /* Jump here for next iteration of skip-scan */ int addrCont; /* Jump here to continue with the next loop cycle */ int addrFirst; /* First instruction of interior of the loop */ int addrBody; /* Beginning of the body of this loop */ @@ -160043,10 +160220,11 @@ WhereLoop *pLoop; /* The controlling WhereLoop object */ u32 flags; /* Flags that describe this loop */ #if defined(SQLITE_DEBUG) && !defined(SQLITE_OMIT_EXPLAIN) char *zMsg; /* Text to add to EQP output */ #endif + const char *zFormat; StrAccum str; /* EQP output string */ char zBuf[100]; /* Initial space for EQP output string */ if( db->mallocFailed ) return; @@ -160057,11 +160235,18 @@ || ((flags&WHERE_VIRTUALTABLE)==0 && (pLoop->u.btree.nEq>0)) || (wctrlFlags&(WHERE_ORDERBY_MIN|WHERE_ORDERBY_MAX)); sqlite3StrAccumInit(&str, db, zBuf, sizeof(zBuf), SQLITE_MAX_LENGTH); str.printfFlags = SQLITE_PRINTF_INTERNAL; - sqlite3_str_appendf(&str, "%s %S", isSearch ? "SEARCH" : "SCAN", pItem); + if( pItem->fg.fromExists ){ + zFormat = "SINGLETON %S"; + }else if( isSearch ){ + zFormat = "SEARCH %S"; + }else{ + zFormat = "SCAN %S"; + } + sqlite3_str_appendf(&str, zFormat, pItem); if( (flags & (WHERE_IPK|WHERE_VIRTUALTABLE))==0 ){ const char *zFmt = 0; Index *pIdx; assert( pLoop->u.btree.pIndex!=0 ); @@ -161308,19 +161493,20 @@ WhereInfo *pWInfo, /* Complete information about the WHERE clause */ int iLevel, /* Which level of pWInfo->a[] should be coded */ int addrNxt, /* Jump here to bypass inner loops */ Bitmask notReady /* Loops that are not ready */ ){ + int saved_addrBrk; while( ++iLevel < pWInfo->nLevel ){ WhereLevel *pLevel = &pWInfo->a[iLevel]; WhereLoop *pLoop = pLevel->pWLoop; if( pLevel->regFilter==0 ) continue; if( pLevel->pWLoop->nSkip ) continue; /* ,--- Because sqlite3ConstructBloomFilter() has will not have set ** vvvvv--' pLevel->regFilter if this were true. */ if( NEVER(pLoop->prereq & notReady) ) continue; - assert( pLevel->addrBrk==0 ); + saved_addrBrk = pLevel->addrBrk; pLevel->addrBrk = addrNxt; if( pLoop->wsFlags & WHERE_IPK ){ WhereTerm *pTerm = pLoop->aLTerm[0]; int regRowid; assert( pTerm!=0 ); @@ -161346,11 +161532,11 @@ sqlite3VdbeAddOp4Int(pParse->pVdbe, OP_Filter, pLevel->regFilter, addrNxt, r1, nEq); VdbeCoverage(pParse->pVdbe); } pLevel->regFilter = 0; - pLevel->addrBrk = 0; + pLevel->addrBrk = saved_addrBrk; } } /* ** Loop pLoop is a WHERE_INDEXED level that uses at least one IN(...) @@ -161393,11 +161579,10 @@ WhereClause *pWC; /* Decomposition of the entire WHERE clause */ WhereTerm *pTerm; /* A WHERE clause term */ sqlite3 *db; /* Database connection */ SrcItem *pTabItem; /* FROM clause term being coded */ int addrBrk; /* Jump here to break out of the loop */ - int addrHalt; /* addrBrk for the outermost loop */ int addrCont; /* Jump here to continue with next cycle */ int iRowidReg = 0; /* Rowid is stored in this register, if not zero */ int iReleaseReg = 0; /* Temp register to free before returning */ Index *pIdx = 0; /* Index used by loop (if any) */ int iLoop; /* Iteration of constraint generator loop */ @@ -161437,11 +161622,11 @@ ** When there is an IN operator, we also have a "addrNxt" label that ** means to continue with the next IN value combination. When ** there are no IN operators in the constraints, the "addrNxt" label ** is the same as "addrBrk". */ - addrBrk = pLevel->addrBrk = pLevel->addrNxt = sqlite3VdbeMakeLabel(pParse); + addrBrk = pLevel->addrNxt = pLevel->addrBrk; addrCont = pLevel->addrCont = sqlite3VdbeMakeLabel(pParse); /* If this is the right table of a LEFT OUTER JOIN, allocate and ** initialize a memory cell that records if this table matches any ** row of the left table of the join. @@ -161453,18 +161638,10 @@ pLevel->iLeftJoin = ++pParse->nMem; sqlite3VdbeAddOp2(v, OP_Integer, 0, pLevel->iLeftJoin); VdbeComment((v, "init LEFT JOIN match flag")); } - /* Compute a safe address to jump to if we discover that the table for - ** this loop is empty and can never contribute content. */ - for(j=iLevel; j>0; j--){ - if( pWInfo->a[j].iLeftJoin ) break; - if( pWInfo->a[j].pRJ ) break; - } - addrHalt = pWInfo->a[j].addrBrk; - /* Special case of a FROM clause subquery implemented as a co-routine */ if( pTabItem->fg.viaCoroutine ){ int regYield; Subquery *pSubq; assert( pTabItem->fg.isSubquery && pTabItem->u4.pSubq!=0 ); @@ -161699,11 +161876,11 @@ VdbeCoverageIf(v, pX->op==TK_LE); VdbeCoverageIf(v, pX->op==TK_LT); VdbeCoverageIf(v, pX->op==TK_GE); sqlite3ReleaseTempReg(pParse, rTemp); }else{ - sqlite3VdbeAddOp2(v, bRev ? OP_Last : OP_Rewind, iCur, addrHalt); + sqlite3VdbeAddOp2(v, bRev ? OP_Last : OP_Rewind, iCur, pLevel->addrHalt); VdbeCoverageIf(v, bRev==0); VdbeCoverageIf(v, bRev!=0); } if( pEnd ){ Expr *pX; @@ -162494,11 +162671,11 @@ pLevel->op = OP_Noop; }else{ codeCursorHint(pTabItem, pWInfo, pLevel, 0); pLevel->op = aStep[bRev]; pLevel->p1 = iCur; - pLevel->p2 = 1 + sqlite3VdbeAddOp2(v, aStart[bRev], iCur, addrHalt); + pLevel->p2 = 1 + sqlite3VdbeAddOp2(v, aStart[bRev],iCur,pLevel->addrHalt); VdbeCoverageIf(v, bRev==0); VdbeCoverageIf(v, bRev!=0); pLevel->p5 = SQLITE_STMTSTATUS_FULLSCAN_STEP; } } @@ -164509,11 +164686,11 @@ ** SELECT statement passed as the second argument. These terms are only ** added if: ** ** 1. The SELECT statement has a LIMIT clause, and ** 2. The SELECT statement is not an aggregate or DISTINCT query, and -** 3. The SELECT statement has exactly one object in its from clause, and +** 3. The SELECT statement has exactly one object in its FROM clause, and ** that object is a virtual table, and ** 4. There are no terms in the WHERE clause that will not be passed ** to the virtual table xBestIndex method. ** 5. The ORDER BY clause, if any, will be made available to the xBestIndex ** method. @@ -164546,12 +164723,26 @@ ** pWC->a[] array. So this term can be ignored, as a LIMIT clause ** will only be added if each of the child terms passes the ** (leftCursor==iCsr) test below. */ continue; } - if( pWC->a[ii].leftCursor!=iCsr ) return; - if( pWC->a[ii].prereqRight!=0 ) return; + if( pWC->a[ii].leftCursor==iCsr && pWC->a[ii].prereqRight==0 ) continue; + + /* If this term has a parent with exactly one child, and the parent will + ** be passed through to xBestIndex, then this term can be ignored. */ + if( pWC->a[ii].iParent>=0 ){ + WhereTerm *pParent = &pWC->a[ pWC->a[ii].iParent ]; + if( pParent->leftCursor==iCsr + && pParent->prereqRight==0 + && pParent->nChild==1 + ){ + continue; + } + } + + /* This term will not be passed through. Do not add a LIMIT clause. */ + return; } /* Check condition (5). Return early if it is not met. */ if( pOrderBy ){ for(ii=0; iinExpr; ii++){ @@ -165986,11 +166177,13 @@ sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pSubq->addrFillSub); addrTop = sqlite3VdbeAddOp1(v, OP_Yield, regYield); VdbeCoverage(v); VdbeComment((v, "next row of %s", pSrc->pSTab->zName)); }else{ - addrTop = sqlite3VdbeAddOp1(v, OP_Rewind, pLevel->iTabCur); VdbeCoverage(v); + assert( pLevel->addrHalt ); + addrTop = sqlite3VdbeAddOp2(v, OP_Rewind,pLevel->iTabCur,pLevel->addrHalt); + VdbeCoverage(v); } if( pPartial ){ iContinue = sqlite3VdbeMakeLabel(pParse); sqlite3ExprIfFalse(pParse, pPartial, iContinue, SQLITE_JUMPIFNULL); pLoop->wsFlags |= WHERE_PARTIALIDX; @@ -166014,15 +166207,18 @@ assert( pLevel->iIdxCur>0 ); translateColumnToCopy(pParse, addrTop, pLevel->iTabCur, pSrc->u4.pSubq->regResult, pLevel->iIdxCur); sqlite3VdbeGoto(v, addrTop); pSrc->fg.viaCoroutine = 0; + sqlite3VdbeJumpHere(v, addrTop); }else{ sqlite3VdbeAddOp2(v, OP_Next, pLevel->iTabCur, addrTop+1); VdbeCoverage(v); sqlite3VdbeChangeP5(v, SQLITE_STMTSTATUS_AUTOINDEX); + if( (pSrc->fg.jointype & JT_LEFT)!=0 ){ + sqlite3VdbeJumpHere(v, addrTop); + } } - sqlite3VdbeJumpHere(v, addrTop); sqlite3ReleaseTempReg(pParse, regRecord); /* Jump here when skipping the initialization */ sqlite3VdbeJumpHere(v, addrInit); sqlite3VdbeScanStatusRange(v, addrExp, addrExp, -1); @@ -168298,10 +168494,11 @@ && saved_nEq==pNew->nLTerm && pProbe->noSkipScan==0 && pProbe->hasStat1!=0 && OptimizationEnabled(db, SQLITE_SkipScan) && pProbe->aiRowLogEst[saved_nEq+1]>=42 /* TUNING: Minimum for skip-scan */ + && pSrc->fg.fromExists==0 && (rc = whereLoopResize(db, pNew, pNew->nLTerm+1))==SQLITE_OK ){ LogEst nIter; pNew->u.btree.nEq++; pNew->nSkip++; @@ -171855,10 +172052,18 @@ pTabItem = &pTabList->a[pLevel->iFrom]; pTab = pTabItem->pSTab; iDb = sqlite3SchemaToIndex(db, pTab->pSchema); pLoop = pLevel->pWLoop; + pLevel->addrBrk = sqlite3VdbeMakeLabel(pParse); + if( ii==0 || (pTabItem[0].fg.jointype & JT_LEFT)!=0 ){ + pLevel->addrHalt = pLevel->addrBrk; + }else if( pWInfo->a[ii-1].pRJ ){ + pLevel->addrHalt = pWInfo->a[ii-1].addrBrk; + }else{ + pLevel->addrHalt = pWInfo->a[ii-1].addrHalt; + } if( (pTab->tabFlags & TF_Ephemeral)!=0 || IsView(pTab) ){ /* Do nothing */ }else #ifndef SQLITE_OMIT_VIRTUALTABLE if( (pLoop->wsFlags & WHERE_VIRTUALTABLE)!=0 ){ @@ -171906,10 +172111,17 @@ } #ifdef SQLITE_ENABLE_COLUMN_USED_MASK sqlite3VdbeAddOp4Dup8(v, OP_ColumnsUsed, pTabItem->iCursor, 0, 0, (const u8*)&pTabItem->colUsed, P4_INT64); #endif + if( ii>=2 + && (pTabItem[0].fg.jointype & (JT_LTORJ|JT_LEFT))==0 + && pLevel->addrHalt==pWInfo->a[0].addrHalt + ){ + sqlite3VdbeAddOp2(v, OP_IfEmpty, pTabItem->iCursor, pWInfo->iBreak); + VdbeCoverage(v); + } }else{ sqlite3TableLock(pParse, iDb, pTab->tnum, 0, pTab->zName); } if( pLoop->wsFlags & WHERE_INDEXED ){ Index *pIx = pLoop->u.btree.pIndex; @@ -172162,10 +172374,13 @@ VdbeCoverageIf(v, op==OP_SeekLT); VdbeCoverageIf(v, op==OP_SeekGT); 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); + } /* The common case: Advance to the next row */ if( pLevel->addrCont ) sqlite3VdbeResolveLabel(v, pLevel->addrCont); sqlite3VdbeAddOp3(v, pLevel->op, pLevel->p1, pLevel->p2, pLevel->p3); sqlite3VdbeChangeP5(v, pLevel->p5); VdbeCoverage(v); @@ -180234,16 +180449,25 @@ /* Expressions of the form ** ** expr1 IN () ** expr1 NOT IN () ** - ** simplify to constants 0 (false) and 1 (true), respectively, - ** regardless of the value of expr1. + ** simplify to constants 0 (false) and 1 (true), respectively. + ** + ** Except, do not apply this optimization if expr1 contains a function + ** because that function might be an aggregate (we don't know yet whether + ** it is or not) and if it is an aggregate, that could change the meaning + ** of the whole query. */ - sqlite3ExprUnmapAndDelete(pParse, yymsp[-4].minor.yy590); - yymsp[-4].minor.yy590 = sqlite3Expr(pParse->db, TK_STRING, yymsp[-3].minor.yy502 ? "true" : "false"); - if( yymsp[-4].minor.yy590 ) sqlite3ExprIdToTrueFalse(yymsp[-4].minor.yy590); + Expr *pB = sqlite3Expr(pParse->db, TK_STRING, yymsp[-3].minor.yy502 ? "true" : "false"); + if( pB ) sqlite3ExprIdToTrueFalse(pB); + if( !ExprHasProperty(yymsp[-4].minor.yy590, EP_HasFunc) ){ + sqlite3ExprUnmapAndDelete(pParse, yymsp[-4].minor.yy590); + yymsp[-4].minor.yy590 = pB; + }else{ + yymsp[-4].minor.yy590 = sqlite3PExpr(pParse, yymsp[-3].minor.yy502 ? TK_OR : TK_AND, pB, yymsp[-4].minor.yy590); + } }else{ Expr *pRHS = yymsp[-1].minor.yy402->a[0].pExpr; if( yymsp[-1].minor.yy402->nExpr==1 && sqlite3ExprIsConstant(pParse,pRHS) && yymsp[-4].minor.yy590->op!=TK_VECTOR ){ yymsp[-1].minor.yy402->a[0].pExpr = 0; sqlite3ExprListDelete(pParse->db, yymsp[-1].minor.yy402); @@ -247032,22 +247256,24 @@ if( pLast ){ int iOff; fts5DataRelease(pIter->pLeaf); pIter->pLeaf = pLast; pIter->iLeafPgno = pgnoLast; - iOff = fts5LeafFirstRowidOff(pLast); - if( iOff>pLast->szLeaf ){ - FTS5_CORRUPT_ITER(p, pIter); - return; - } - iOff += fts5GetVarint(&pLast->p[iOff], (u64*)&pIter->iRowid); - pIter->iLeafOffset = iOff; - - if( fts5LeafIsTermless(pLast) ){ - pIter->iEndofDoclist = pLast->nn+1; - }else{ - pIter->iEndofDoclist = fts5LeafFirstTermOff(pLast); + if( p->rc==SQLITE_OK ){ + iOff = fts5LeafFirstRowidOff(pLast); + if( iOff>pLast->szLeaf ){ + FTS5_CORRUPT_ITER(p, pIter); + return; + } + iOff += fts5GetVarint(&pLast->p[iOff], (u64*)&pIter->iRowid); + pIter->iLeafOffset = iOff; + + if( fts5LeafIsTermless(pLast) ){ + pIter->iEndofDoclist = pLast->nn+1; + }else{ + pIter->iEndofDoclist = fts5LeafFirstTermOff(pLast); + } } } fts5SegIterReverseInitPage(p, pIter); } @@ -250396,11 +250622,11 @@ } assert( pStruct->aLevel[i].nMerge<=nThis ); } nByte += (((i64)pStruct->nLevel)+1) * sizeof(Fts5StructureLevel); - assert( nByte==SZ_FTS5STRUCTURE(pStruct->nLevel+2) ); + assert( nByte==(i64)SZ_FTS5STRUCTURE(pStruct->nLevel+2) ); pNew = (Fts5Structure*)sqlite3Fts5MallocZero(&p->rc, nByte); if( pNew ){ Fts5StructureLevel *pLvl; nByte = nSeg * sizeof(Fts5StructureSegment); @@ -257648,11 +257874,11 @@ int nArg, /* Number of args */ sqlite3_value **apUnused /* Function arguments */ ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); - sqlite3_result_text(pCtx, "fts5: 2025-06-30 16:41:40 0083d5169a46104a25355bdd9d5a2f4027b049191ebda571dd228477ec217296", -1, SQLITE_TRANSIENT); + sqlite3_result_text(pCtx, "fts5: 2025-07-04 14:24:18 6f98b16d210a9f5b6ca4b4599e3dab3263eddbae7c70ddbcabf988f4a1014e8b", -1, SQLITE_TRANSIENT); } /* ** Implementation of fts5_locale(LOCALE, TEXT) function. ** Index: extsrc/sqlite3.h ================================================================== --- extsrc/sqlite3.h +++ extsrc/sqlite3.h @@ -146,11 +146,11 @@ ** [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 "2025-06-30 16:41:40 0083d5169a46104a25355bdd9d5a2f4027b049191ebda571dd228477ec217296" +#define SQLITE_SOURCE_ID "2025-07-04 14:24:18 6f98b16d210a9f5b6ca4b4599e3dab3263eddbae7c70ddbcabf988f4a1014e8b" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version sqlite3_sourceid **