db/routines/vn/procedures/route_updateM3.sql

@@ -1,14 +1,18 @@
 DELIMITER $$
-CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`route_updateM3`(vRoute INT)
+CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`route_updateM3`(
+	vSelf INT
+)
 BEGIN
+/**
+ * Actualiza el volumen de la ruta.
+ *
+ * @param vSelf Id ruta
+ */
+	DECLARE vVolume DECIMAL(10,1)
+		DEFAULT (SELECT SUM(volume) FROM saleVolume WHERE routeFk = vSelf);
 
-	UPDATE vn.route r
-			LEFT JOIN (
-				SELECT routeFk, SUM(volume) AS m3
-					FROM saleVolume
-					WHERE routeFk = vRoute
-				 ) v ON v.routeFk = r.id
-		SET r.m3 = IFNULL(v.m3,0)
-        WHERE r.id =vRoute;
+	UPDATE `route`
+		SET m3 = IFNULL(vVolume, 0)
+		WHERE id = vSelf;
 END$$
 DELIMITER ;