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MySQL選擇行並連接到多個記錄

[英]MySQL select row and join to multiple records

我有2個表,但無法使我的MySQL查詢正常工作:

First Table users:
user_id name
------------
1       Bob
2       Alice

Second Table fields:
id unser_id field_id value
-----------------------------
1  1        4           foo
2  1        5           10
3  2        4           bar

現在,我想以一種輸出方式加入表格:

[0] => (
          [user_id] => 1
          [name] => Bob
          [fields] => (
                         [4] => foo
                         [5] => 10
                      )
[1] => (
          [user_id] => 2
          [name] => Alice
          [fields] => (
                         [4] => bar
                      )
       )

非常感謝!

我試過了:

SELECT u.user_id, 
       u.name 
FROM   users as u 
INNER JOIN fields as f on u.user_id = d.user_id

但是我只為每個用戶提供第一個字段條目。

select u.user_id,u.name,f.field_id,f.value from users u LEFT JOIN fields f ON u.user_id = f.unser_id
SELECT user_id,name,GROUP_CONCAT(value SEPARATOR ',')as field FROM users u JOIN fields f 
ON u.user_id=f.unser_id GROUP BY user_id

也許是這樣的嗎?

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