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-rw-r--r--src/backend/access/heap/heapam.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c
index fb63471a0e0..da2a8f34c20 100644
--- a/src/backend/access/heap/heapam.c
+++ b/src/backend/access/heap/heapam.c
@@ -4503,7 +4503,8 @@ ProjIndexIsUnchanged(Relation relation, HeapTuple oldtup, HeapTuple newtup)
List *indexoidlist = RelationGetIndexList(relation);
EState *estate = CreateExecutorState();
ExprContext *econtext = GetPerTupleExprContext(estate);
- TupleTableSlot *slot = MakeSingleTupleTableSlot(RelationGetDescr(relation));
+ TupleTableSlot *slot = MakeSingleTupleTableSlot(RelationGetDescr(relation),
+ &TTSOpsHeapTuple);
bool equals = true;
Datum old_values[INDEX_MAX_KEYS];
bool old_isnull[INDEX_MAX_KEYS];