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Fix a SQL NULL handling bug in the vector IN operator code generation.

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FossilOrigin-Name: 936146b12e27784f15a68fe65732c6d92c3a12f3
This commit is contained in:
drh
2016-08-18 19:04:57 +00:00
parent 48cb3a7600
commit 03181c8c27
4 changed files with 47 additions and 9 deletions
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5
src/wherecode.c
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@ -499,15 +499,17 @@ static int codeEqualityTerm(
int iMap = 0; /* Index in aiMap[] */
pIn += i;
for(i=iEq;i<pLoop->nLTerm; i++, pIn++){
int iOut = iReg;
if( pLoop->aLTerm[i]->pExpr==pX ){
if( eType==IN_INDEX_ROWID ){
assert( nEq==1 && i==iEq );
pIn->addrInTop = sqlite3VdbeAddOp2(v, OP_Rowid, iTab, iReg);
}else{
int iCol = aiMap ? aiMap[iMap++] : 0;
int iOut = iReg + i - iEq;
iOut = iReg + i - iEq;
pIn->addrInTop = sqlite3VdbeAddOp3(v,OP_Column,iTab, iCol, iOut);
}
sqlite3VdbeAddOp1(v, OP_IsNull, iOut); VdbeCoverage(v);
if( i==iEq ){
pIn->iCur = iTab;
pIn->eEndLoopOp = bRev ? OP_PrevIfOpen : OP_NextIfOpen;
@ -515,7 +517,6 @@ static int codeEqualityTerm(
pIn->eEndLoopOp = OP_Noop;
}
}
sqlite3VdbeAddOp1(v, OP_IsNull, iReg); VdbeCoverage(v);
}
}else{
pLevel->u.in.nIn = 0;