我无法为子查询获取正确的格式。
我的一个查询显示如下:
这涉及调用三个表(Ind Stats 表,提取游戏统计数据和团队名称)。如您所见,此查询运行良好。
我遇到的麻烦是如何拉动每个在该特定游戏中拥有 DD 的玩家。 Players 是数据库中的另一个功能。我所能理解的是我应该需要一个子查询,但子查询不是我的强项。
这是我的代码
SELECT * FROM
(SELECT game_Date,
game_GameID,
game_SeasonID,
game_TeamCode,
teams_Name,
stats1_GameID,
Sum(stats1_DD) AS 'TotGameDD'
FROM game INNER JOIN teams INNER JOIN stats1
ON
teams_TeamCode = game_TeamCode
AND
game_GameID = stats1_GameID
GROUP BY game_GameID
HAVING Sum(stats1_DD) >1
ORDER BY Sum(stats1_DD) desc) t
INNER JOIN players INNER JOIN stats1 INNER JOIN game
ON stats1_GameID = game_GameID
AND
sstorm_rawstats1.stats1_PlayerID = sstorm_players.player_PlayerID
”
所以,要清楚,这工作正常:
SELECT game_Date,
game_GameID,
game_SeasonID,
game_TeamCode,
teams_Name,
stats1_GameID,
Sum(stats1_DD) AS 'TotGameDD'
FROM game INNER JOIN teams INNER JOIN stats1
ON
teams_TeamCode = game_TeamCode
AND
game_GameID = stats1_GameID
GROUP BY game_GameID
HAVING Sum(stats1_DD) >1
ORDER BY Sum(stats1_DD) desc
我只是想在此处的行中显示记录 DD 的玩家的姓名。我现在知道名字了,但它正在计算玩家玩过的所有游戏。我现在快到了。
更新:我现在可以在表格中显示结果,但它只显示一名获得 DD 的玩家。我在想我需要一个循环来显示所有拥有 DD 的用户。任何帮助,非常感谢。
我只是通过在 FROM 语句中添加一个 GROUP BY stats1_DD 和另一个 AND 来更改上面的代码:
FROM game INNER JOIN teams INNER JOIN stats1
ON
teams_TeamCode = game_TeamCode
AND
game_GameID = stats1_GameID
AND
game_PlayerID = player_PlayerID
GROUP BY game_GameID, stats1_DD
HAVING Sum(stats1_DD) >1
ORDER BY Sum(stats1_DD) desc
最佳答案
您应该将第三个表与来自您已有查询的结果集连接,或者直接在目标列 DD
上连接第三个表。像这样的东西:
SELECT *
FROM YourCrrentQuery t
INNER JOIN ThePlayersTable p ON p.DD = t.DD;
或:
SELECT *
FROM YourCrrentQuery t
WHERE DD IN (SELECT DD
FROM ThePlayersTable
WHERE DD IS NOT NULL);
更新:您需要JOIN
子查询与Players
表,如下所示:
SELECT *
FROM
(
SELECT
game_Date,
game_GameID,
game_SeasonID,
game_TeamCode,
teams_Name,
stats1_GameID,
Sum(stats1_DD) AS 'TotGameDD'
FROM game
INNER JOIN teams
INNER JOIN stats1 ON teams_TeamCode = game_TeamCode
AND game_GameID = stats1_GameID
GROUP BY game_GameID
HAVING Sum(stats1_DD) >1
) t
INNER JOIN players p ON t.TotGameDD = p.DD
ORDER BY t.TotGameDD desc;
关于php - 子查询格式问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14111230/