从这种表中：
| Timestamp | name | value |
| 12:01:01 | foo | 10 |
| 12:01:01 | Bob | 11 |
| 12:01:01 | test | 12 |
| 13:02:05 | foo | 21 |
| 13:02:05 | Bob | 20 |
| 13:02:05 | test | 29 |
| 15:03:06 | foo | 31 |
| 15:03:06 | Bob | 1 |
| 15:03:06 | test | 29 |
...
如何创建一个SELECT语句，返回类似的更多名称
| timestamp | foo | Bob | test | ....
| 12:01:01 | 10 | 11 | 12 |
| 13:02:05 | 21 | 20 | 29 |
| 15:03:06 | 31 | 1 | 29 |
...