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Overview
| Comment: | Fix VDBE branch accounting on comparison operators. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
b287520c9226f7a9fab98142f5c207bf |
| User & Date: | drh 2014-02-18 11:31:59 |
Context
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2014-02-19
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| 00:53 | Tweaks in support of VDBE branch test coverage. (check-in: b9782564 user: drh tags: trunk) | |
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2014-02-18
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| 11:31 | Fix VDBE branch accounting on comparison operators. (check-in: b287520c user: drh tags: trunk) | |
| 03:07 | Add VdbeCoverage() and VdbeCoverageIf() macros for improved VDBE coverage testing. (check-in: b92d31a9 user: drh tags: trunk) | |
Changes
Changes to src/vdbe.c.
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** The jump is taken if the SQLITE_JUMPIFNULL bit is set.
*/
if( pOp->p5 & SQLITE_STOREP2 ){
pOut = &aMem[pOp->p2];
MemSetTypeFlag(pOut, MEM_Null);
REGISTER_TRACE(pOp->p2, pOut);
}else{
VdbeBranchTaken((pOp->p5 & SQLITE_JUMPIFNULL)?2:3,4);
if( pOp->p5 & SQLITE_JUMPIFNULL ){
pc = pOp->p2-1;
}
}
break;
}
}else{
................................................................................
if( pOp->p5 & SQLITE_STOREP2 ){
pOut = &aMem[pOp->p2];
memAboutToChange(p, pOut);
MemSetTypeFlag(pOut, MEM_Int);
pOut->u.i = res;
REGISTER_TRACE(pOp->p2, pOut);
}else{
VdbeBranchTaken(res!=0, 4);
if( res ){
pc = pOp->p2-1;
}
}
/* Undo any changes made by applyAffinity() to the input registers. */
pIn1->flags = (pIn1->flags&~MEM_TypeMask) | (flags1&MEM_TypeMask);
pIn3->flags = (pIn3->flags&~MEM_TypeMask) | (flags3&MEM_TypeMask);
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** The jump is taken if the SQLITE_JUMPIFNULL bit is set.
*/
if( pOp->p5 & SQLITE_STOREP2 ){
pOut = &aMem[pOp->p2];
MemSetTypeFlag(pOut, MEM_Null);
REGISTER_TRACE(pOp->p2, pOut);
}else{
VdbeBranchTaken(2,3);
if( pOp->p5 & SQLITE_JUMPIFNULL ){
pc = pOp->p2-1;
}
}
break;
}
}else{
................................................................................
if( pOp->p5 & SQLITE_STOREP2 ){
pOut = &aMem[pOp->p2];
memAboutToChange(p, pOut);
MemSetTypeFlag(pOut, MEM_Int);
pOut->u.i = res;
REGISTER_TRACE(pOp->p2, pOut);
}else{
VdbeBranchTaken(res!=0, (pOp->p5 & SQLITE_NULLEQ)?2:3);
if( res ){
pc = pOp->p2-1;
}
}
/* Undo any changes made by applyAffinity() to the input registers. */
pIn1->flags = (pIn1->flags&~MEM_TypeMask) | (flags1&MEM_TypeMask);
pIn3->flags = (pIn3->flags&~MEM_TypeMask) | (flags3&MEM_TypeMask);
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