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Overview
| Comment: | Small size reduction and performance improvement in the OP_Column opcode. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
0d7730611be974162d9a064a041957d0 |
| User & Date: | drh 2016-05-19 11:12:43 |
Context
|
2016-05-19
| ||
| 16:21 | Add test cases to test some fts3/4 edge case behaviour surrounding the '*' character. check-in: 1f577e1f user: dan tags: trunk | |
| 11:12 | Small size reduction and performance improvement in the OP_Column opcode. check-in: 0d773061 user: drh tags: trunk | |
|
2016-05-18
| ||
| 21:03 | Add the "scrub" utility program that simultaneously backs-up a live database and erases all deleted content. check-in: c981ab2a user: drh tags: trunk | |
Changes
Changes to src/vdbe.c.
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Mem *pReg; /* PseudoTable input register */
pC = p->apCsr[pOp->p1];
p2 = pOp->p2;
/* If the cursor cache is stale, bring it up-to-date */
rc = sqlite3VdbeCursorMoveto(&pC, &p2);
assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) );
pDest = &aMem[pOp->p3];
memAboutToChange(p, pDest);
assert( pOp->p1>=0 && pOp->p1<p->nCursor );
assert( pC!=0 );
assert( p2<pC->nField );
aOffset = pC->aOffset;
assert( pC->eCurType!=CURTYPE_VTAB );
assert( pC->eCurType!=CURTYPE_PSEUDO || pC->nullRow );
assert( pC->eCurType!=CURTYPE_SORTER );
pCrsr = pC->uc.pCursor;
if( rc ) goto abort_due_to_error;
if( pC->cacheStatus!=p->cacheCtr ){
if( pC->nullRow ){
if( pC->eCurType==CURTYPE_PSEUDO ){
assert( pC->uc.pseudoTableReg>0 );
pReg = &aMem[pC->uc.pseudoTableReg];
assert( pReg->flags & MEM_Blob );
assert( memIsValid(pReg) );
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> < |
2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 |
Mem *pReg; /* PseudoTable input register */
pC = p->apCsr[pOp->p1];
p2 = pOp->p2;
/* If the cursor cache is stale, bring it up-to-date */
rc = sqlite3VdbeCursorMoveto(&pC, &p2);
if( rc ) goto abort_due_to_error;
assert( pOp->p3>0 && pOp->p3<=(p->nMem+1 - p->nCursor) );
pDest = &aMem[pOp->p3];
memAboutToChange(p, pDest);
assert( pOp->p1>=0 && pOp->p1<p->nCursor );
assert( pC!=0 );
assert( p2<pC->nField );
aOffset = pC->aOffset;
assert( pC->eCurType!=CURTYPE_VTAB );
assert( pC->eCurType!=CURTYPE_PSEUDO || pC->nullRow );
assert( pC->eCurType!=CURTYPE_SORTER );
pCrsr = pC->uc.pCursor;
if( pC->cacheStatus!=p->cacheCtr ){
if( pC->nullRow ){
if( pC->eCurType==CURTYPE_PSEUDO ){
assert( pC->uc.pseudoTableReg>0 );
pReg = &aMem[pC->uc.pseudoTableReg];
assert( pReg->flags & MEM_Blob );
assert( memIsValid(pReg) );
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