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Code Issues

Fixed #6941: Dummy (always true) conditions may change the join order

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This commit is contained in:
Dmitry Yemanov 2022-09-17 09:18:20 +03:00
parent 6eb4610bae
commit 26aaddad6d
1 changed files with 2 additions and 1 deletions
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3
src/jrd/optimizer/Retrieval.cpp
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@ -358,7 +358,8 @@ InversionCandidate* Retrieval::getInversion()
if (setConjunctionsMatched && matched)
iter |= Optimizer::CONJUNCT_MATCHED;
else if (!setConjunctionsMatched && !matched &&
iter->computable(csb, stream, true))
iter->computable(csb, stream, true) &&
iter->containsStream(stream))
{
selectivity *= Optimizer::getSelectivity(*iter);
}