From b374c889e646fffac56785cb79031fd172a40b11 Mon Sep 17 00:00:00 2001 From: Ashutosh Bapat Date: Thu, 20 Feb 2025 11:45:28 +0530 Subject: [PATCH 1/2] Add Assert in find_derived_clause_for_ec_member() find_derived_clause_for_ec_member() should find a clause of equating the given EM to a constant. Assert the same. Author: Ashutosh Bapat --- src/backend/optimizer/path/equivclass.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/backend/optimizer/path/equivclass.c b/src/backend/optimizer/path/equivclass.c index 0f9ecf5ee8b..493a95d26cc 100644 --- a/src/backend/optimizer/path/equivclass.c +++ b/src/backend/optimizer/path/equivclass.c @@ -2664,7 +2664,10 @@ find_derived_clause_for_ec_member(EquivalenceClass *ec, * members on the left side of derived clauses. */ if (rinfo->left_em == em) + { + Assert(rinfo->right_em->em_is_const); return rinfo; + } } return NULL; } base-commit: 363a6e8c6fcf9f3e19fe673ae02554645974a388 -- 2.34.1