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When computing a vector to be used as a key for an index lookup, do not

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check for NULL values and abort until after all key values have been
computed, in case one of the later key values involves some initialization
that is needed by a LEFT JOIN.  Fix for the problem identified by
[forum:/forumpost/ab95010d410a0a55|Forum post ab95010d410a0a55].

FossilOrigin-Name: 4db5217a28ce767fa14ddfe51cf3ca25eceb72079d46a2fc00f7d6b8ae9abe0b
This commit is contained in:
drh
2022-01-21 16:41:11 +00:00
parent d323a3a515
commit e482fde6ee
4 changed files with 26 additions and 9 deletions
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3
src/wherecode.c
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@@ -824,6 +824,9 @@ static int codeAllEqualityTerms(
sqlite3VdbeAddOp2(v, OP_Copy, r1, regBase+j);
}
}
}
for(j=nSkip; j<nEq; j++){
pTerm = pLoop->aLTerm[j];
if( pTerm->eOperator & WO_IN ){
if( pTerm->pExpr->flags & EP_xIsSelect ){
/* No affinity ever needs to be (or should be) applied to a value