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

29 lines
703 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` FUNCTION `vn`.`travel_hasUniqueAwb`(
vSelf INT
)
RETURNS BOOL
READS SQL DATA
BEGIN
/**
* Comprueba que el travel pasado tiene un AWB lógico,
* no se pueden tener varios AWB asociados al mismo DUA
*
* @param vSelf Id del travel
*/
DECLARE vHasUniqueAwb BOOL DEFAULT TRUE;
SELECT NOT COUNT(t2.awbFk) INTO vHasUniqueAwb
FROM entry e
JOIN travel t ON t.id = e.travelFk
JOIN duaEntry de ON de.entryFk = e.id
JOIN duaEntry de2 ON de2.duaFk = de.duaFk
JOIN entry e2 ON e2.id = de2.entryFk
JOIN travel t2 ON t2.id = e2.travelFk
WHERE t.id = vSelf
AND t2.awbFk <> t.awbFk;
RETURN vHasUniqueAwb;
END$$
DELIMITER ;