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

75 lines
1.9 KiB
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` FUNCTION `vn`.`client_getSalesPerson`(vClientFk INT, vDated DATE)
RETURNS int(11)
DETERMINISTIC
BEGIN
/**
* Dado un id cliente y una fecha, devuelve su comercial para ese dia, teniendo
* en cuenta la jerarquía de las tablas: 1º la de sharingclient, 2º la de
* sharingcart y tercero la de clientes.
*
* @param vClientFk El id del cliente
* @param vDated Fecha a comprobar
* @return El id del comercial para la fecha dada
**/
DECLARE vSalesPersonFk INT DEFAULT NULL;
DECLARE vWorkerSubstituteFk INT DEFAULT NULL;
DECLARE vLoop BOOLEAN;
-- Obtiene el comercial original y el de sharingclient
SELECT c.salesPersonFk, s.workerFk
INTO vSalesPersonFk, vWorkerSubstituteFk
FROM client c
LEFT JOIN sharingClient s
ON c.id = s.clientFk
AND vDated BETWEEN s.started AND s.ended
WHERE c.id = vClientFk
ORDER BY s.id
LIMIT 1;
-- Si no hay ninguno en sharingclient busca en sharingcart
IF vWorkerSubstituteFk IS NOT NULL
THEN
SET vSalesPersonFk = vWorkerSubstituteFk;
ELSEIF vSalesPersonFk IS NOT NULL
THEN
DROP TEMPORARY TABLE IF EXISTS tmp.stack;
CREATE TEMPORARY TABLE tmp.stack
(INDEX (substitute))
ENGINE = MEMORY
SELECT vSalesPersonFk substitute;
l: LOOP
SELECT workerSubstitute INTO vWorkerSubstituteFk
FROM sharingCart
WHERE util.VN_CURDATE() BETWEEN started AND ended
AND workerFk = vSalesPersonFk
ORDER BY id
LIMIT 1;
IF vWorkerSubstituteFk IS NULL THEN
LEAVE l;
END IF;
SELECT COUNT(*) > 0 INTO vLoop
FROM tmp.stack WHERE substitute = vWorkerSubstituteFk;
IF vLoop THEN
LEAVE l;
END IF;
INSERT INTO tmp.stack SET
substitute = vWorkerSubstituteFk;
SET vSalesPersonFk = vWorkerSubstituteFk;
END LOOP;
DROP TEMPORARY TABLE tmp.stack;
END IF;
RETURN vSalesPersonFk;
END$$
DELIMITER ;