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-rw-r--r--src/backend/commands/matview.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/commands/matview.c b/src/backend/commands/matview.c
index e1eb7c374b8..9957c7074de 100644
--- a/src/backend/commands/matview.c
+++ b/src/backend/commands/matview.c
@@ -484,7 +484,7 @@ transientrel_receive(TupleTableSlot *slot, DestReceiver *self)
* get the heap tuple out of the tuple table slot, making sure we have a
* writable copy
*/
- tuple = ExecMaterializeSlot(slot);
+ tuple = ExecCopySlotTuple(slot);
heap_insert(myState->transientrel,
tuple,
@@ -494,6 +494,9 @@ transientrel_receive(TupleTableSlot *slot, DestReceiver *self)
/* We know this is a newly created relation, so there are no indexes */
+ /* Free the copied tuple. */
+ heap_freetuple(tuple);
+
return true;
}