mysql - 使用 where 子句获取行号

Question

//表格

+------+-------+
| user | score |
+------+-------+
|   2  |  500  |
|   3  |  780  |
|   4  |  50   |
|   5  |  250  |
|   6  |  650  |
+------+-------+

//当前sql

SELECT @rn:=@rn+1 AS rank, user, score
FROM (
  SELECT user,score
  FROM scores
   WHERE user = 2
  ORDER BY score DESC
) t1, (SELECT @rn:=0) t2

上面的sql返回id = 2的用户的rank = 1，但是rank是3。当不添加where子句时是正确的。但我希望能够搜索特定用户并获得他的排名

Answer 1

尝试这样的事情:

select * from
(SELECT @rn:=@rn+1 AS rank, user, score
  FROM scores,
  (SELECT @rn:=0) t2
ORDER BY score DESC) t
where user=2

fiddle