jiaqizho commented on code in PR #722:
URL: https://github.com/apache/cloudberry/pull/722#discussion_r1861773478
##########
src/backend/gporca/libgpopt/src/operators/CExpressionPreprocessor.cpp:
##########
@@ -70,16 +70,23 @@ using namespace gpopt;
// eliminate self comparisons in the given expression
CExpression *
CExpressionPreprocessor::PexprEliminateSelfComparison(CMemoryPool *mp,
-
CExpression *pexpr)
+
CExpression *pexpr,
+
CColRefSet *pcrsNotNull)
{
// protect against stack overflow during recursion
GPOS_CHECK_STACK_SIZE;
GPOS_ASSERT(nullptr != mp);
GPOS_ASSERT(nullptr != pexpr);
+ COperator *pop = pexpr->Pop();
if (CUtils::FScalarCmp(pexpr))
{
- return CPredicateUtils::PexprEliminateSelfComparison(mp, pexpr);
+ return CPredicateUtils::PexprEliminateSelfComparison(mp, pexpr,
+
pcrsNotNull);
+ }
+ if (pop->FLogical())
Review Comment:
The `Derive*` is not related to the CExpression type(logic/scalar/phy, also
no phy CExpression will occar in the CExpressionPreprocessor) .
So i guess the `CDrvdProp` always return true. when it check the
`m_is_prop_derived`.
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