按周/日间隔分组

时间:2010-06-10 08:47:32

标签: mysql sql date group-by

我正在使用MySQL,我有下表:

| clicks | int  |
|   period  | date |

我希望能够生成这样的报告,其中的句点在过去4周内完成:

|   period    | clicks |
|  1/7 - 7/5  |  1000  | 
| 25/6 - 31/7 |  ....  |
| 18/6 - 24/6 |  ....  |
| 12/6 - 18/6 |  ....  |

或过去3个月:

| period | clicks |
|  July  |  ....  |
|  June  |  ....  |
| April  |  ....  |

如何制作可以生成等效日期范围和点击次数的精选查询?

2 个答案:

答案 0 :(得分:12)

SELECT
 WEEKOFYEAR(`date`) AS period,
 SUM(clicks) AS clicks
FROM `tablename`
WHERE `date` >= CURDATE() - INTERVAL 4 WEEK
GROUP BY period

SELECT
 MONTH(`date`) AS period,
 SUM(clicks) AS clicks
FROM `tablename`
WHERE `date` >= CURDATE() - INTERVAL 3 MONTH
GROUP BY period

答案 1 :(得分:3)

在过去的3个月中,您可以使用:

SELECT MONTH(PERIOD), SUM(CLICKS)
FROM TABLE
WHERE PERIOD >= NOW() - INTERVAL 3 MONTH
GROUP BY MONTH(PERIOD)

或过去4周:

SELECT WEEK(PERIOD), SUM(CLICKS)
FROM TABLE
WHERE PERIOD >= NOW() - INTERVAL 4 WEEK
GROUP BY WEEK(PERIOD)

代码未经测试。