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Fix another problem with the LIKE optimization.

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FossilOrigin-Name: 465bfc72d252f94778248253142faeba78ceea02
This commit is contained in:
drh 2015-03-07 20:32:49 +00:00
parent b0230249f5
commit 52fc05ba1c
3 changed files with 25 additions and 19 deletions
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16
manifest
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@ -1,5 +1,5 @@
C Fix\sthe\sLIKE\soptimization\sso\sthat\sit\sfinds\sBLOB\sentries\sin\saddition\sto\stext\nentries.\s\sTicket\s[05f43be8fdda9f].
D 2015-03-07T13:56:48.044
C Fix\sanother\sproblem\swith\sthe\sLIKE\soptimization.
D 2015-03-07T20:32:49.790
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in 2f643d6968dfc0b82d2e546a0525a39079f9e928
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -307,7 +307,7 @@ F src/vxworks.h c18586c8edc1bddbc15c004fa16aeb1e1342b4fb
F src/wal.c 39303f2c9db02a4e422cd8eb2c8760420c6a51fe
F src/wal.h df01efe09c5cb8c8e391ff1715cca294f89668a4
F src/walker.c c253b95b4ee44b21c406e2a1052636c31ea27804
F src/where.c 84104123394d38aa530f4e3e12b4ac7efcd7fe19
F src/where.c 65813699926c15b7041ff2021731f03183aac493
F src/whereInt.h cbe4aa57326998d89e7698ca65bb7c28541d483c
F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
@ -1241,8 +1241,10 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 8c1e85aab9e0d90726057e25e2ea0663341c070f 50fa3c5fae90bd3b2f4121e99ab52d79963a6fda
R 2fc7830b1fa14938513120a1368ba854
T +closed 50fa3c5fae90bd3b2f4121e99ab52d79963a6fda
P 74cb0b032fcf598537fae04412771450124ae712
R 23dd5631417bc0e4cabfa079f9a22509
T *branch * like-opt-fix
T *sym-like-opt-fix *
T -sym-trunk *
U drh
Z 4859c93f290241201b6571a3ac6035f4
Z c34701a311a2e64477c46e48ef38102d

2
manifest.uuid
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@ -1 +1 @@
74cb0b032fcf598537fae04412771450124ae712
465bfc72d252f94778248253142faeba78ceea02

26
src/where.c
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@ -3024,12 +3024,17 @@ static void addScanStatus(
** bound string contants to blobs. This routine makes the necessary changes
** to the OP_String opcodes for that to happen.
*/
static void whereLikeOptimizationStringFixup(Vdbe *v, WhereLevel *pLevel){
VdbeOp *pOp;
pOp = sqlite3VdbeGetOp(v, -1);
if( pLevel->iLikeRepCntr && pOp->opcode==OP_String8 ){
pOp->p3 = pLevel->iLikeRepCntr;
pOp->p5 = 1;
static void whereLikeOptimizationStringFixup(
Vdbe *v, /* prepared statement under construction */
WhereLevel *pLevel, /* The loop that contains the LIKE operator */
WhereTerm *pTerm /* The upper or lower bound just coded */
){
if( pTerm->wtFlags & TERM_LIKEOPT ){
VdbeOp *pOp = sqlite3VdbeGetOp(v, -1);
if( pLevel->iLikeRepCntr && pOp->opcode==OP_String8 ){
pOp->p3 = pLevel->iLikeRepCntr;
pOp->p5 = 1;
}
}
}
@ -3365,9 +3370,8 @@ static Bitmask codeOneLoopStart(
if( pLoop->wsFlags & WHERE_TOP_LIMIT ){
pRangeEnd = pLoop->aLTerm[j++];
nExtraReg = 1;
if( pRangeStart
&& (pRangeStart->wtFlags & TERM_LIKEOPT)!=0
&& (pRangeEnd->wtFlags & TERM_LIKEOPT)!=0
if( (pRangeStart && (pRangeStart->wtFlags & TERM_LIKEOPT)!=0)
|| (pRangeEnd->wtFlags & TERM_LIKEOPT)!=0
){
pLevel->iLikeRepCntr = ++pParse->nMem;
testcase( bRev );
@ -3420,7 +3424,7 @@ static Bitmask codeOneLoopStart(
if( pRangeStart ){
Expr *pRight = pRangeStart->pExpr->pRight;
sqlite3ExprCode(pParse, pRight, regBase+nEq);
whereLikeOptimizationStringFixup(v, pLevel);
whereLikeOptimizationStringFixup(v, pLevel, pRangeStart);
if( (pRangeStart->wtFlags & TERM_VNULL)==0
&& sqlite3ExprCanBeNull(pRight)
){
@ -3466,7 +3470,7 @@ static Bitmask codeOneLoopStart(
Expr *pRight = pRangeEnd->pExpr->pRight;
sqlite3ExprCacheRemove(pParse, regBase+nEq, 1);
sqlite3ExprCode(pParse, pRight, regBase+nEq);
whereLikeOptimizationStringFixup(v, pLevel);
whereLikeOptimizationStringFixup(v, pLevel, pRangeEnd);
if( (pRangeEnd->wtFlags & TERM_VNULL)==0
&& sqlite3ExprCanBeNull(pRight)
){