mysql update/delete in 子查询改写
#子查询(不支持) update question q set q.`level`=2 where q.id in( select id from question where id>=2111 limit 165,165); #改写 update question q inner join ( select id from question where id>=2111 limit 165,165) t on q.id=t.id set q.`level`=2; #子查询(不支持) delete from `user` where id in ( select min(id) as id from `user` group by wx_open_id having count(1)>1 ); #改写 delete from `user` where id in ( select id from( select min(id) as id from `user` group by wx_open_id having count(1)>1 ) t );