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Add the WHERE_IN_EARLYOUT flag and use it to clarify the logic of this

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optimization.

FossilOrigin-Name: 522f1eacc20f11002cad58232a7c2610f369568653510e54f46088f579f778dc
This commit is contained in:
drh
2018-06-07 14:59:22 +00:00
parent bd573c459b
commit f7b0a5f3c3
5 changed files with 14 additions and 11 deletions
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src/where.c
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@@ -5084,6 +5084,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
sqlite3VdbeJumpHere(v, pIn->addrInTop+1);
if( pIn->eEndLoopOp!=OP_Noop ){
if( pIn->nPrefix ){
assert( pLoop->wsFlags & WHERE_IN_EARLYOUT );
sqlite3VdbeAddOp4Int(v, OP_IfNoHope, pLevel->iIdxCur,
sqlite3VdbeCurrentAddr(v)+2,
pIn->iBase, pIn->nPrefix);