30 lines
619 B
MySQL
30 lines
619 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`department_doCalc`()
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proc: BEGIN
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/**
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* Recalculates the department tree.
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*/
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DECLARE vIsChanged BOOL;
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DECLARE CONTINUE HANDLER FOR SQLEXCEPTION
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BEGIN
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DO RELEASE_LOCK('vn.department_doCalc');
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RESIGNAL;
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END;
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IF !GET_LOCK('vn.department_doCalc', 0) THEN
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LEAVE proc;
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END IF;
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SELECT isChanged INTO vIsChanged
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FROM department_recalc;
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IF vIsChanged THEN
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UPDATE department_recalc SET isChanged = FALSE;
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CALL vn.department_calcTree;
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END IF;
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DO RELEASE_LOCK('vn.department_doCalc');
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END$$
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DELIMITER ;
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