DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn2008`.`CompresTriggerBeforeDelete`(oldId INT, oldEntrada INT)
BEGIN

    DECLARE hasToRecalculate BOOLEAN;
    DECLARE newWarehouse INT;
    
	SELECT Id_Compra INTO hasToRecalculate FROM vn.lastBuy lb
	WHERE lb.id = oldId LIMIT 1;
    
	IF hasToRecalculate THEN
		SELECT warehouse_id INTO newWarehouse FROM travel t
			JOIN Entradas e ON t.id = e.travel_id
            WHERE e.Id_Entrada = oldEntrada;
            
		CALL vn.lastBuyRefresh(newWarehouse);
	END IF;


END$$
DELIMITER ;