Alena0704 commented on code in PR #1719:
URL: https://github.com/apache/cloudberry/pull/1719#discussion_r3206580303
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src/backend/gporca/libgpopt/src/translate/CTranslatorExprToDXL.cpp:
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@@ -265,6 +265,20 @@ CTranslatorExprToDXL::PdxlnTranslate(CExpression *pexpr,
GPOS_ASSERT(nullptr == m_pdpplan);
+ // Walk the physical tree and detect a CTE Consumer placed on a
+ // different slice than its Producer when the Producer's output is
+ // replicated-like (StrictReplicated/TaintedReplicated/Universal).
+ // Fall back to the Postgres optimizer if it is detected because
+ // it breaks Producer-Consumer locality and can hang the
+ // query at execution.
+ if (CUtils::FHasCrossSliceReplicatedCTEConsumer(m_mp, pexpr))
+ {
+ GPOS_RAISE(
+ gpdxl::ExmaDXL, gpdxl::ExmiExpr2DXLUnsupportedFeature,
Review Comment:
fixed in last commit
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