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The OP_SeekScan opcode works, but using it requires disabling the

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IN-earlyout optimization because the OP_IfNoHope opcode might move the
cursor.

FossilOrigin-Name: f3c36b840c9a29c0add28039db216f4207a308e5057fc76e3f0004024a8267ac
This commit is contained in:
drh
2020-09-29 01:48:46 +00:00
parent 68cf0ace3d
commit f761d937c2
5 changed files with 76 additions and 20 deletions
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4
src/wherecode.c
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@@ -570,7 +570,7 @@ static int codeEqualityTerm(
if( pLevel->u.in.nIn==0 ){
pLevel->addrNxt = sqlite3VdbeMakeLabel(pParse);
}
if( iEq>0 ){
if( iEq>0 && (pLoop->wsFlags && WHERE_IN_SEEKSCAN)==0 ){
pLoop->wsFlags |= WHERE_IN_EARLYOUT;
}
@@ -1911,7 +1911,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
testcase( op==OP_IdxLE ); VdbeCoverageIf(v, op==OP_IdxLE );
}
if( pLoop->wsFlags & WHERE_IN_EARLYOUT ){
if( (pLoop->wsFlags & WHERE_IN_EARLYOUT)!=0 ){
sqlite3VdbeAddOp3(v, OP_SeekHit, iIdxCur, nEq, nEq);
}