db/routines/vn/procedures/route_updateM3.sql

@@ -1,14 +1,35 @@
 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 EXIT HANDLER FOR SQLEXCEPTION
+	BEGIN
+		ROLLBACK;
+		RESIGNAL;
+	END;
 
-	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;
+	CREATE OR REPLACE TEMPORARY TABLE tRouteVolume
+		ENGINE = MEMORY
+		SELECT IFNULL(SUM(volume), 0) volume
+			FROM saleVolume
+			WHERE routeFk = vSelf;
+
+	START TRANSACTION;
+
+	SELECT id FROM `route` WHERE id = vSelf FOR UPDATE;
+
+	UPDATE `route`
+		SET m3 = (SELECT volume FROM tRouteVolume)
+		WHERE id = vSelf;
+
+	COMMIT;
+
+	DROP TEMPORARY TABLE tRouteVolume;
 END$$
 DELIMITER ;