摘要: http://blog.csdn.net/k8080880/article/details/11253305 select case when pid=0 then case when @prevType=QUETYPE_ID then @rank:=@rank+1 when @prevType:= 阅读全文
posted @ 2016-05-19 17:38 JIN__JIN 阅读(1653) 评论(0) 推荐(0) 编辑