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Provide the BTREE_SEEK_EQ hint to the b-tree layer.

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FossilOrigin-Name: e750830f1e61160c0c67e35b13e50b35a95b50e1
This commit is contained in:
drh
2015-03-20 14:57:50 +00:00
parent 80103fc614
commit e0997b341b
7 changed files with 74 additions and 25 deletions
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6
src/where.c
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@@ -6801,6 +6801,12 @@ WhereInfo *sqlite3WhereBegin(
if( op ){
sqlite3VdbeAddOp3(v, op, iIndexCur, pIx->tnum, iDb);
sqlite3VdbeSetP4KeyInfo(pParse, pIx);
if( (pLoop->wsFlags & WHERE_CONSTRAINT)!=0
&& (pLoop->wsFlags & (WHERE_COLUMN_RANGE|WHERE_SKIPSCAN))==0
&& (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)==0
){
sqlite3VdbeChangeP5(v, OPFLAG_SEEKEQ); /* Hint to COMDB2 */
}
VdbeComment((v, "%s", pIx->zName));
}
}