*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.322 2009/02/02 19:31:39 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/executor/execMain.c,v 1.323 2009/02/08 18:02:27 tgl Exp $
*
*-------------------------------------------------------------------------
*/
resultRelInfo = estate->es_result_relation_info;
resultRelationDesc = resultRelInfo->ri_RelationDesc;
+ /*
+ * If the result relation has OIDs, force the tuple's OID to zero so that
+ * heap_insert will assign a fresh OID. Usually the OID already will be
+ * zero at this point, but there are corner cases where the plan tree can
+ * return a tuple extracted literally from some table with the same
+ * rowtype.
+ *
+ * XXX if we ever wanted to allow users to assign their own OIDs to new
+ * rows, this'd be the place to do it. For the moment, we make a point
+ * of doing this before calling triggers, so that a user-supplied trigger
+ * could hack the OID if desired.
+ */
+ if (resultRelationDesc->rd_rel->relhasoids)
+ HeapTupleSetOid(tuple, InvalidOid);
+
/* BEFORE ROW INSERT Triggers */
if (resultRelInfo->ri_TrigDesc &&
resultRelInfo->ri_TrigDesc->n_before_row[TRIGGER_EVENT_INSERT] > 0)
*/
tuple = ExecMaterializeSlot(slot);
+ /*
+ * force assignment of new OID (see comments in ExecInsert)
+ */
+ if (myState->rel->rd_rel->relhasoids)
+ HeapTupleSetOid(tuple, InvalidOid);
+
heap_insert(myState->rel,
tuple,
myState->estate->es_output_cid,