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Proposed fix for the query planner problem of ticket

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[ec32177c99ccac2b1].

FossilOrigin-Name: eef8cbef3c49e6331301a8f3f8a5fd12090b1e99e68487c2d405e53ef771f688
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drh
2018-01-27 05:40:10 +00:00
parent c86caa58cd
commit 33f10207aa
4 changed files with 75 additions and 8 deletions
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src/where.c
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@@ -4631,6 +4631,7 @@ WhereInfo *sqlite3WhereBegin(
*/
for(ii=0; ii<sWLB.pWC->nTerm; ii++){
WhereTerm *pT = &sWLB.pWC->a[ii];
if( pT->wtFlags & TERM_VIRTUAL ) continue;
if( pT->prereqAll==0 && (nTabList==0 || exprIsDeterministic(pT->pExpr)) ){
sqlite3ExprIfFalse(pParse, pT->pExpr, pWInfo->iBreak, SQLITE_JUMPIFNULL);
pT->wtFlags |= TERM_CODED;