我想问一个简单的查询我可以用它来了解每个最新的登录日期为我的用户...... 感谢查询的最近的登录日期为当前日期为每个用户
+----+---------+------------+-----------+---------------------+
| id | version | first_name | last_name | login_detail |
+----+---------+------------+-----------+---------------------+
| 1 | 0 | Mark | Yap2 | 2013-02-01 16:00:23 |
| 2 | 0 | Mark | Yap2 | 2013-02-01 16:00:38 |
| 3 | 0 | Mark | Yap2 | 2013-02-04 13:38:41 |
| 4 | 0 | john | doe | 2013-02-04 13:50:39 |
| 5 | 0 | Mark | Yap2 | 2013-02-04 13:59:01 |
| 6 | 0 | Mark | Yap2 | 2013-02-04 14:04:25 |
| 7 | 0 | john | doe | 2013-02-04 14:09:47 |
| 8 | 0 | Mark | Yap2 | 2013-02-04 14:14:40 |
| 9 | 0 | Mark | Yap2 | 2013-02-04 14:15:36 |
| 10 | 0 | john | doe | 2013-02-04 14:16:11 |
| 11 | 0 | Mark | Yap2 | 2013-02-04 14:23:38 |
| 12 | 0 | john | doe | 2013-02-04 14:26:53 |
| 13 | 0 | john | doe | 2013-02-04 15:50:45 |
| 14 | 0 | john | doe | 2013-02-04 15:55:53 |
| 15 | 0 | john | doe | 2013-02-04 15:59:15 |
| 16 | 0 | john | doe | 2013-02-04 16:05:15 |
| 17 | 0 | john | doe | 2013-02-04 16:09:54 |
+----+---------+------------+-----------+---------------------+
此示例表... 我想获得最新的登录记录每个用户... 这与ID为17和11的2个不同的用户
'当前' 日期可以过去?或者你只是在寻找每个用户的最近登录日期? – Strawberry