根据分数动态查询排名

根据分数动态查询排名 费劲千辛万苦写出来的

< select id=“selectScoreRankingAll” resultMap=“BaseResultMap” >
SELECT
@rownum :=@rownum + 1 AS ranking,tt.web_emp_id AS eid,tt.real_name AS realName,tt.profile_photo AS profilePhoto,tt.sumScore,tt.position
FROM
(
SELECT
t.web_emp_id,t.real_name,t.profile_photo,t.sumScore,t.position,@rownum := 0
FROM
(SELECT t_user.web_emp_id,t_user.real_name,t_user.profile_photo,IFNULL((SELECT SUM(score) AS sumScore FROM t_score WHERE t_score.eid=t_user.web_emp_id),0) AS sumScore,t_position.name AS position
from t_score RIGHT JOIN t_user on t_score.eid=t_user.web_emp_id
LEFT JOIN t_user_position_releation
on t_user.un_id=t_user_position_releation.user_id
LEFT JOIN t_position
on t_user_position_releation.position_id=t_position.un_id
GROUP BY t_user.web_emp_id
ORDER BY sumScore DESC,t_user.real_name DESC) t
ORDER BY
t.sumScore DESC,t.real_name DESC
) tt
< /select >