Function ExecSimpleRelationDelete

src/backend/executor/execReplication.c:533–562

* Find the searchslot tuple and delete it, and execute any constraints * and per-row triggers. * * Caller is responsible for opening the indexes. */

 * Caller is responsible for opening the indexes.
 */
void
ExecSimpleRelationDelete(ResultRelInfo *resultRelInfo,
						 EState *estate, EPQState *epqstate,
						 TupleTableSlot *searchslot)
{
	bool		skip_tuple = false;
	Relation	rel = resultRelInfo->ri_RelationDesc;
	ItemPointer tid = &searchslot->tts_tid;

	CheckCmdReplicaIdentity(rel, CMD_DELETE);

	/* BEFORE ROW DELETE Triggers */
	if (resultRelInfo->ri_TrigDesc &&
		resultRelInfo->ri_TrigDesc->trig_delete_before_row)
	{
		skip_tuple = !ExecBRDeleteTriggers(estate, epqstate, resultRelInfo,
										   tid, NULL, NULL);

	}

	if (!skip_tuple)
	{
		/* OK, delete the tuple */
		simple_table_tuple_delete(rel, tid, estate->es_snapshot);

		/* AFTER ROW DELETE Triggers */
		ExecARDeleteTriggers(estate, resultRelInfo,
							 tid, NULL, NULL);
	}
}

/*
 * Check if command can be executed with current replica identity.