MySQL 的 RowNum 实现

MySQL 下面没有RowNum、Rowid，排序后序号却无法得到，比较麻烦！
SELECT @rownum:=@rownum+1 rownum, ids,t.* From(SELECT @rownum:=0,s.* FROM information s WHERE ids!='' ORDER BY ids limit 10) tSELECT @rownum:=@rownum+1 rownum, ids,t.* From(SELECT @rownum:=0,s.* FROM information s WHERE ids!='' ORDER BY ids limit 10) t