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Overview
| Comment: | Remove a NEVER() that is in fact reachable on an OOM. This probably has nothing to do with the multi-or-covering-index change but just happened to be found while testing that change. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | multi-or-covering-index |
| Files: | files | file ages | folders |
| SHA1: |
5499af53ebcdc21ae288aa2347aa21f6 |
| User & Date: | drh 2012-08-24 21:54:11 |
Context
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2012-08-24
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| 23:24 | Move field WhereLevel.pCovidx inside the union to WhereLevel.u.pCovidx. Closed-Leaf check-in: b722143d user: drh tags: multi-or-covering-index | |
| 21:54 | Remove a NEVER() that is in fact reachable on an OOM. This probably has nothing to do with the multi-or-covering-index change but just happened to be found while testing that change. check-in: 5499af53 user: drh tags: multi-or-covering-index | |
| 19:58 | Another test for whereD.test. check-in: 29d58617 user: dan tags: multi-or-covering-index | |
Changes
Changes to src/where.c.
3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 |
/* Evaluate the equality constraints
*/
assert( pIdx->nColumn>=nEq );
for(j=0; j<nEq; j++){
int r1;
int k = pIdx->aiColumn[j];
pTerm = findTerm(pWC, iCur, k, notReady, pLevel->plan.wsFlags, pIdx);
if( NEVER(pTerm==0) ) break;
/* The following true for indices with redundant columns.
** Ex: CREATE INDEX i1 ON t1(a,b,a); SELECT * FROM t1 WHERE a=0 AND b=0; */
testcase( (pTerm->wtFlags & TERM_CODED)!=0 );
testcase( pTerm->wtFlags & TERM_VIRTUAL ); /* EV: R-30575-11662 */
r1 = codeEqualityTerm(pParse, pTerm, pLevel, regBase+j);
if( r1!=regBase+j ){
if( nReg==1 ){
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3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 |
/* Evaluate the equality constraints
*/
assert( pIdx->nColumn>=nEq );
for(j=0; j<nEq; j++){
int r1;
int k = pIdx->aiColumn[j];
pTerm = findTerm(pWC, iCur, k, notReady, pLevel->plan.wsFlags, pIdx);
if( pTerm==0 ) break;
/* The following true for indices with redundant columns.
** Ex: CREATE INDEX i1 ON t1(a,b,a); SELECT * FROM t1 WHERE a=0 AND b=0; */
testcase( (pTerm->wtFlags & TERM_CODED)!=0 );
testcase( pTerm->wtFlags & TERM_VIRTUAL ); /* EV: R-30575-11662 */
r1 = codeEqualityTerm(pParse, pTerm, pLevel, regBase+j);
if( r1!=regBase+j ){
if( nReg==1 ){
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