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Add a missing test that prevented double LEFT JOINs with transitive

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constraints from working correctly.  Fix for ticket [868145d012].

FossilOrigin-Name: 72919ec34f0d663d551c1070285ad93b932bcb74
This commit is contained in:
drh
2013-07-01 17:27:19 +00:00
parent 9443342ee9
commit cdc2e43d8e
4 changed files with 73 additions and 7 deletions
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src/where.c
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@@ -3887,6 +3887,7 @@ static Bitmask codeOneLoopStart(
if( pTerm->wtFlags & (TERM_VIRTUAL|TERM_CODED) ) continue;
if( pTerm->eOperator!=(WO_EQUIV|WO_EQ) ) continue;
if( pTerm->leftCursor!=iCur ) continue;
if( pLevel->iLeftJoin ) continue;
pE = pTerm->pExpr;
assert( !ExprHasProperty(pE, EP_FromJoin) );
assert( (pTerm->prereqRight & newNotReady)!=0 );