我有一个调用另一个过程的过程。他们从来没有回电话给对方或称自己,但我正在逐渐表明它们是一个错误响应。该程序如下:
CREATE PROCEDURE grantPermission (perm VARCHAR(30), target VARCHAR(30), id VARCHAR(8), host VARCHAR(45), passwd VARCHAR(45))
BEGIN
SET @setPermissionCmd = CONCAT('GRANT ', perm, ' ON ', target, ' TO ''', id, '''@''', host, ''' IDENTIFIED BY ''', passwd, ''';');
PREPARE setPermissionStmt FROM @setPermissionCmd;
EXECUTE setPermissionStmt;
DEALLOCATE PREPARE setPermissionStmt;
FLUSH PRIVILEGES;
END
和
CREATE PROCEDURE grantAdmin (id VARCHAR(8), host VARCHAR(45), passwd VARCHAR(45))
BEGIN
CALL grantPermission('EXECUTE', 'PROCEDURE createUser', id, host, passwd);
CALL grantPermission('EXECUTE', 'PROCEDURE grantAdmin', id, host, passwd);
CALL grantPermission('EXECUTE', 'PROCEDURE revokeAdmin', id, host, passwd);
CALL grantPermission('INSERT,UPDATE', 'TaskType', id, host, passwd);
CALL grantPermission('UPDATE', 'User', id, host, passwd);
UPDATE User SET isAdmin=1 WHERE dbUser=id;
FLUSH PRIVILEGES;
END
当我把第二个过程,我得到如下回应:
MariaDB [pattsdb]> CALL grantAdmin('patts', '%', 'patts');
ERROR 1456 (HY000): Recursive limit 0 (as set by the max_sp_recursion_depth variable) was exceeded for routine grantAdmin
为什么会觉得我的方法是递归的?仅仅因为名字在定义文中提到?
此添加到存储过程的开头:
SET max_sp_recursion_depth=255;