Question

表格结构：

country
season
points

当前查询：

SELECT SUM(points) AS total, country 
FROM table 
WHERE season >= X 
GROUP BY country 
ORDER BY total desc

这给了我一个很好的清单，按照给定国家收集的总积分排序。但是，如果一个国家与另一个国家并列，我想在最近一个季节按他们的分数排序，这可能在同一个查询中吗？如果是这样，怎么样？（记住它目前分组）

行的示例丹麦（国家），1（赛季），10（分）丹麦（国家），2（赛季），5（分）瑞典（国家），1（赛季），5（分）瑞典（国家），2（赛季），10（分）

Answer 1

SELECT grp.total, grp.country
FROM
        ( SELECT SUM(points) AS total, country, MAX(season) AS max_season 
          FROM table 
          WHERE season >= X 
          GROUP BY country 
        ) AS grp
    LEFT JOIN
        table AS t
            ON  t.country = grp.country
            AND t.season = LATEST_SEASON
ORDER BY 
    grp.total DESC
  , t.points DESC ;

Answer 2

也许这会做你的伎俩：

SELECT SUM(points) AS total, country 
FROM table 
WHERE season >= X 
GROUP BY country 
ORDER BY total DESC, (SELECT t2.points FROM table t2 WHERE table.country=t2.country ORDER BY t2.season LIMIT 1) DESC

mysql查询与group by和order

2 个答案: