mysql选择不同的行到逗号分隔的列表列中

I currently have some sql that brings back tags. they should have distinct ids, but they don't.... so my current data is like:

我目前有一些带回标签的sql。他们应该有不同的ID,但他们不....所以我目前的数据是这样的:

Microsoft | GGG | 1 | 167
Microsoft | GGG | 1 | 2
Microsoft | GGG | 1 | 1

What i would like to do is have only one row come back with the final column concatenated into a delimited list like:

我想做的是只返回一行,最后一列连接成一个分隔列表,如:

Microsoft | GGG | 1 | 167, 2, 1

I am using mySQL 5 for this.

我正在使用mySQL 5。

1 个解决方案

Use GROUP_CONCAT() for this, with a GROUP BY covering the other three columns:

使用GROUP_CONCAT(),GROUP BY覆盖其他三列:

SELECT 
  name,   -- Microsoft
  other,  -- GGG
  other2, -- 1
  GROUP_CONCAT(id) AS ids
FROM tbl
GROUP BY name, other, other2

Use GROUP_CONCAT() for this, with a GROUP BY covering the other three columns:

使用GROUP_CONCAT(),GROUP BY覆盖其他三列:

SELECT 
  name,   -- Microsoft
  other,  -- GGG
  other2, -- 1
  GROUP_CONCAT(id) AS ids
FROM tbl
GROUP BY name, other, other2