Function ExecBatchInsert

src/backend/executor/nodeModifyTable.c:1162–1210

---------------------------------------------------------------- * ExecBatchInsert * * Insert multiple tuples in an efficient way. * Currently, this handles inserting into a foreign table without * RETURNING clause. * ---------------------------------------------------------------- */

 * ----------------------------------------------------------------
 */
static void
ExecBatchInsert(ModifyTableState *mtstate,
				ResultRelInfo *resultRelInfo,
				TupleTableSlot **slots,
				TupleTableSlot **planSlots,
				int numSlots,
				EState *estate,
				bool canSetTag)
{
	int			i;
	int			numInserted = numSlots;
	TupleTableSlot *slot = NULL;
	TupleTableSlot **rslots;

	/*
	 * insert into foreign table: let the FDW do it
	 */
	rslots = resultRelInfo->ri_FdwRoutine->ExecForeignBatchInsert(estate,
																  resultRelInfo,
																  slots,
																  planSlots,
																  &numInserted);

	for (i = 0; i < numInserted; i++)
	{
		slot = rslots[i];

		/*
		 * AFTER ROW Triggers or RETURNING expressions might reference the
		 * tableoid column, so (re-)initialize tts_tableOid before evaluating
		 * them.
		 */
		slot->tts_tableOid = RelationGetRelid(resultRelInfo->ri_RelationDesc);

		/* AFTER ROW INSERT Triggers */
		ExecARInsertTriggers(estate, resultRelInfo, slot, NIL,
							 mtstate->mt_transition_capture);

		/*
		 * Check any WITH CHECK OPTION constraints from parent views.  See the
		 * comment in ExecInsert.
		 */
		if (resultRelInfo->ri_WithCheckOptions != NIL)
			ExecWithCheckOptions(WCO_VIEW_CHECK, resultRelInfo, slot, estate);
	}

	if (canSetTag && numInserted > 0)
		estate->es_processed += numInserted;
}

/* ----------------------------------------------------------------
 *		ExecDelete