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Fix a problem with virtual table "fsdir" and some join queries.

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FossilOrigin-Name: 7fffcee0fc3fe8d036f0d93ec17673992c3edcf2bb454dc90d80142435b37946
This commit is contained in:
dan
2018-11-16 08:36:15 +00:00
parent 6f147c54ef
commit cbfaa076d7
4 changed files with 46 additions and 13 deletions
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7
ext/misc/fileio.c
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@ -835,15 +835,14 @@ static int fsdirBestIndex(
(void)tab;
pConstraint = pIdxInfo->aConstraint;
for(i=0; i<pIdxInfo->nConstraint; i++, pConstraint++){
if( pConstraint->usable==0 ) continue;
if( pConstraint->op!=SQLITE_INDEX_CONSTRAINT_EQ ) continue;
if( pConstraint->iColumn==4 ) idx4 = i;
if( pConstraint->iColumn==4 && pConstraint->usable ) idx4 = i;
if( pConstraint->iColumn==5 ) idx5 = i;
}
if( idx4<0 ){
if( idx4<0 || (idx5>=0 && pIdxInfo->aConstraint[idx5].usable==0) ){
pIdxInfo->idxNum = 0;
pIdxInfo->estimatedCost = (double)(((sqlite3_int64)1) << 50);
pIdxInfo->estimatedCost = (double)(((sqlite3_int64)1) << 60);
}else{
pIdxInfo->aConstraintUsage[idx4].omit = 1;
pIdxInfo->aConstraintUsage[idx4].argvIndex = 1;