salix/db/routines/vn/functions/itemShelvingPlacementSupply...

34 lines
942 B
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`itemShelvingPlacementSupply_ClosestGet`(vParkingFk INT)
RETURNS int(11)
NOT DETERMINISTIC
READS SQL DATA
BEGIN
/* Devuelve el parking más cercano.*/
DECLARE vColumn INT;
DECLARE vClosestParkingFk INT;
DECLARE vSectorFk INT;
SELECT p.column, sectorFk INTO vColumn, vSectorFk
FROM vn.parking p
WHERE p.id = vParkingFk;
SELECT itemShelvingFk INTO vClosestParkingFk
FROM
(
SELECT ABS(p.column - vColumn) as distance, itemShelvingFk
FROM vn.itemShelvingPlacementSupplyStock ispss
JOIN vn.parking p ON p.id = ispss.parkingFk
JOIN vn.itemPlacementSupplyList ipsl ON ipsl.sectorFk = ispss.sectorFk AND ipsl.itemFk = ispss.itemFk
WHERE p.sectorFk = vSectorFk
AND ipsl.saldo > 0
) sub
ORDER BY distance
LIMIT 1;
RETURN vClosestParkingFk;
END$$
DELIMITER ;