Function fireBSTriggers

src/backend/executor/nodeModifyTable.c:2478–2502

* Process BEFORE EACH STATEMENT triggers */

 * Process BEFORE EACH STATEMENT triggers
 */
static void
fireBSTriggers(ModifyTableState *node)
{
	ModifyTable *plan = (ModifyTable *) node->ps.plan;
	ResultRelInfo *resultRelInfo = node->rootResultRelInfo;

	switch (node->operation)
	{
		case CMD_INSERT:
			ExecBSInsertTriggers(node->ps.state, resultRelInfo);
			if (plan->onConflictAction == ONCONFLICT_UPDATE)
				ExecBSUpdateTriggers(node->ps.state,
									 resultRelInfo);
			break;
		case CMD_UPDATE:
			ExecBSUpdateTriggers(node->ps.state, resultRelInfo);
			break;
		case CMD_DELETE:
			ExecBSDeleteTriggers(node->ps.state, resultRelInfo);
			break;
		default:
			elog(ERROR, "unknown operation");
			break;
	}
}

/*
 * Process AFTER EACH STATEMENT triggers