Function ExecCloseResultRelations

src/backend/executor/execMain.c:2639–2675

* Close any relations that have been opened for ResultRelInfos. */

 * Close any relations that have been opened for ResultRelInfos.
 */
void
ExecCloseResultRelations(EState *estate)
{
	ListCell   *l;

	/*
	 * close indexes of result relation(s) if any.  (Rels themselves are
	 * closed in ExecCloseRangeTableRelations())
	 */
	foreach(l, estate->es_opened_result_relations)
	{
		ResultRelInfo *resultRelInfo = lfirst(l);

		ExecCloseIndices(resultRelInfo);
	}

	/* Close any relations that have been opened by ExecGetTriggerResultRel(). */
	foreach(l, estate->es_trig_target_relations)
	{
		ResultRelInfo *resultRelInfo = (ResultRelInfo *) lfirst(l);

		/*
		 * Assert this is a "dummy" ResultRelInfo, see above.  Otherwise we
		 * might be issuing a duplicate close against a Relation opened by
		 * ExecGetRangeTableRelation.
		 */
		Assert(resultRelInfo->ri_RangeTableIndex == 0);

		/*
		 * Since ExecGetTriggerResultRel doesn't call ExecOpenIndices for
		 * these rels, we needn't call ExecCloseIndices either.
		 */
		Assert(resultRelInfo->ri_NumIndices == 0);

		table_close(resultRelInfo->ri_RelationDesc, NoLock);
	}
}

/*
 * Close all relations opened by ExecGetRangeTableRelation().