Fix table_oid assign in COPY

Author: ildus

src/utility_stmt_hooking.c

@@ -632,12 +632,6 @@ PathmanCopyFrom(CopyState cstate, Relation parent_rel,
 		if (tuple_oid != InvalidOid)
 			HeapTupleSetOid(tuple, tuple_oid);
 
-		/*
-		 * Constraints might reference the tableoid column, so initialize
-		 * t_tableOid before evaluating them.
-		 */
-		tuple->t_tableOid = RelationGetRelid(child_result_rel->ri_RelationDesc);
-
 		/* Place tuple in tuple slot --- but slot shouldn't free it */
 		slot = myslot;
 		ExecStoreTuple(tuple, slot, InvalidBuffer, false);
@@ -661,6 +655,12 @@ PathmanCopyFrom(CopyState cstate, Relation parent_rel,
 		child_result_rel = rri_holder->result_rel_info;
 		estate->es_result_relation_info = child_result_rel;
 
+		/*
+		 * Constraints might reference the tableoid column, so initialize
+		 * t_tableOid before evaluating them.
+		 */
+		tuple->t_tableOid = RelationGetRelid(child_result_rel->ri_RelationDesc);
+
 		/* If there's a transform map, rebuild the tuple */
 		if (rri_holder->tuple_map)
 		{