[使用排名函数的mysql中基于多列的数据排名

Question

我对mysql很陌生，并尝试根据两个字段对排名最高的记录进行排名

与您共享当前脚本和输出以及所需的输出

当前脚本：

select u_rank, c_rank,u_name,c_name, 
        @curRank := @curRank + 1 AS rank 
from ( 
        SELECT u_rank, c_rank,u_name,c_name 
        from abc
    ) a, 
     (
        select @curRank := 0
    ) r 
order by c_rank,u_rank

当前输出

我想要的输出是

请帮助

Answer 1

SET @rank1 = 0;
SET @rank2 = 0;
SET @u_name = '';

SELECT u_rank, c_rank, u_name, c_name, @rank2 := @rank2 + 1 AS rank
FROM (
      SELECT u_rank, 
             c_rank, 
             c_name, 
             @rank1 := (@rank1 + 1 - IF(@u_name = u_name, 0, @rank1)) AS rank1, 
             @u_name := u_name AS u_name 
      FROM abc 
      ORDER BY u_name, c_rank
) foo
ORDER BY rank1, u_rank;