salix/db/routines/account/procedures/role_sync.sql

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DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `account`.`role_sync`()
BEGIN
/**
* Synchronize the @roleRole table with the current role hierarchy. This
* procedure must be called every time the @roleInherit table is modified so
* that the changes made on it are effective.
*/
DECLARE vRoleId INT;
DECLARE vDone BOOL;
DECLARE cur CURSOR FOR
SELECT id FROM role;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET vDone = TRUE;
DROP TEMPORARY TABLE IF EXISTS tRoleRole;
CREATE TEMPORARY TABLE tRoleRole
ENGINE = MEMORY
SELECT * FROM roleRole LIMIT 0;
OPEN cur;
l: LOOP
SET vDone = FALSE;
FETCH cur INTO vRoleId;
IF vDone THEN
LEAVE l;
END IF;
CALL role_getDescendents(vRoleId);
INSERT INTO tRoleRole (role, inheritsFrom)
SELECT vRoleId, id FROM tmp.role;
DROP TEMPORARY TABLE tmp.role;
END LOOP;
CLOSE cur;
START TRANSACTION;
DELETE FROM roleRole;
INSERT INTO roleRole SELECT * FROM tRoleRole;
COMMIT;
DROP TEMPORARY TABLE tRoleRole;
CALL role_syncPrivileges;
END$$
DELIMITER ;