解决MYSQL的You can't specify target table 'xxxxxxxxxx' for update in FROM clause

出现这个问题的MYSQL的SQL语句形如：

DELETE FROM xxxxa WHERE EXISTS (SELECT * FROM xxxx1 WHERE xxxxa.xxid=123)

解决方法，把结果放在一个临时表里：

DELETE FROM xxxxa WHERE xxxxa.id IN (SELECT tmp.id FROM (SELECT * FROM xxxxaWHERE xxxxa.xxid=123)tmp);

 

但是oracle是可以的，说明mysql有待升级。