salix/db/routines/vn/procedures/routeGuessPriority.sql

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`routeGuessPriority`(IN vRuta INT)
BEGIN
/* Usa los valores del ultimo año para adivinar el orden de los tickets en la ruta
 * vRuta id ruta
*/

UPDATE ticket mt
	JOIN (
		SELECT tt.addressFk, ROUND(IFNULL(AVG(t.priority),0),0) AS priority
			FROM ticket t
				JOIN ticket tt ON tt.addressFk = t.addressFk
			WHERE t.shipped > TIMESTAMPADD(YEAR,-1,util.VN_CURDATE())
				AND tt.routeFk = vRuta
			GROUP BY addressFk
		) sub ON sub.addressFk = mt.addressFk
	SET mt.priority = sub.priority
		WHERE mt.routeFk = vRuta;
END$$
DELIMITER ;