摘要: ```sql select (@i:=@i+1) i,a.CITYID from basis_cityinfo a ,(select @i:=0) t2 order by a.id desc limit 220; ``` 阅读全文
posted @ 2019-05-13 14:31 TTonlyV5 阅读(2440) 评论(0) 推荐(0)