按周分组但显示更易读的结果？

Question

我有这个查询：

SELECT YEAR(datetime) AS Year, WEEK(datetime) AS Week, COUNT(*) AS total
FROM table
GROUP BY Year, Week;

结果是：

+------+------+-------+
| Year | Week | total |
+------+------+-------+
| 2016 |   49 |    14 |
| 2016 |   50 |    20 |
| 2016 |   51 |    19 |
| 2016 |   52 |    15 |
| 2017 |    1 |    13 |
| 2017 |    2 |    14 |
| 2017 |    3 |    12 |
| 2017 |    4 |    12 |
| 2017 |    5 |     5 

但我想知道如何将一周显示为“更漂亮”，例如：

+------+----------+-------+
| Year |    Week  | total |
+------+----------+-------+
| 2016 |   Dec 05 |    14 |
| 2016 |   Dec 12 |    20 |
| 2016 |   Dec 19 |    19 |
| 2016 |   Dec 26 |    15 |
| 2017 |   Jan 02 |    13 |
| 2017 |   Jan 09 |    14 |
| 2017 |   Jan 16 |    12 |
| 2017 |   Jan 23 |    12 |
| 2017 |   Jan 30 |     5 |
+------+----------+-------+

Answer 1

您可以使用 DATE_FORMAT 函数完成此操作，

SELECT YEAR(datetime) AS Year, DATE_FORMAT(datetime, '%b %e') AS Week, COUNT(*) AS total
FROM table
GROUP BY Year, Week;