salix/db/changes/10002-lent/00-workerGetHierarch.sql

46 lines
1.1 KiB
SQL

DROP procedure IF EXISTS `vn`.`worker_getHierarch`;
DELIMITER $$
CREATE DEFINER=`root`@`%` PROCEDURE `vn`.`worker_getHierarch`(vBoss INT)
BEGIN
DECLARE EXIT HANDLER FOR 1062 BEGIN
CALL util.throw('INFINITE_LOOP');
END;
DROP TEMPORARY TABLE IF EXISTS workerHierarch;
CREATE TEMPORARY TABLE workerHierarch
(PRIMARY KEY (workerFk))
ENGINE = MEMORY
SELECT vBoss AS workerFk;
DROP TEMPORARY TABLE IF EXISTS tmp.workerHierarchList;
CREATE TEMPORARY TABLE tmp.workerHierarchList
(PRIMARY KEY (workerFk))
ENGINE = MEMORY
SELECT vBoss AS workerFk, 0 AS isChecked;
WHILE (SELECT COUNT(*) FROM tmp.workerHierarchList WHERE NOT isChecked) > 0 DO
INSERT INTO tmp.workerHierarchList
SELECT w.id, 0
FROM worker w
JOIN workerHierarch wh ON wh.workerFk = w.bossFk;
UPDATE tmp.workerHierarchList whl
JOIN workerHierarch wh ON wh.workerFk = whl.workerFk
SET whl.isChecked = 1;
TRUNCATE workerHierarch;
INSERT INTO workerHierarch
SELECT workerFk
FROM tmp.workerHierarchList
WHERE NOT isChecked;
END WHILE;
DROP TEMPORARY TABLE IF EXISTS workerHierarch;
END$$
DELIMITER ;