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