salix/db/routines/vn/functions/expedition_checkRoute.sql

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DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`expedition_checkRoute`(vPalletFk INT,vExpeditionFk INT)
RETURNS tinyint(1)
DETERMINISTIC
BEGIN
/**
* Comprueba si las expediciones del pallet son todas
* de la misma ruta.
*
* @param vExpeditionFk numero de expedition a comprobar
* @param vPalletFk numero de pallet
* @return vHasDistinctRoutes
*/
DECLARE vRouteFk INT;
DECLARE vHasDistinctRoutes BOOL;
SELECT t.routeFk INTO vRouteFk
FROM vn.expedition e
JOIN vn.ticket t ON e.ticketFk = t.id
WHERE e.id = vExpeditionFk;
SELECT COUNT(*) > 0 INTO vHasDistinctRoutes
FROM vn.expeditionScan es
JOIN vn.expedition e ON es.expeditionFk = e.id
JOIN vn.ticket t ON e.ticketFk = t.id
WHERE es.palletFk = vPalletFk
AND t.routeFk <> vRouteFk;
RETURN vHasDistinctRoutes;
END$$
DELIMITER ;