+------+----------------------------------+-------+---------------------+---------------------+
| id   | staff_id                         | shift | termin              | timestamp           |
+------+----------------------------------+-------+---------------------+---------------------+
|    1 | 1c0d5ee1802eeb43273308b41969090b |     0 | 2011-01-17 00:00:00 | 2011-01-18 15:35:50 |
|  505 | None                             |     0 | 2011-01-17 00:00:00 | 2011-01-18 15:36:47 |
| 1009 | None                             |     0 | 2011-01-17 00:00:00 | 2011-01-18 15:58:07 |
|    4 | None                             |     0 | 2011-01-17 01:00:00 | 2011-01-18 15:35:51 |
|  508 | None                             |     0 | 2011-01-17 01:00:00 | 2011-01-18 15:36:47 |
| 1012 | None                             |     0 | 2011-01-17 01:00:00 | 2011-01-18 15:58:07 |
|    7 | None                             |     0 | 2011-01-17 02:00:00 | 2011-01-18 15:35:51 |
|  511 | None                             |     0 | 2011-01-17 02:00:00 | 2011-01-18 15:36:47 |
| 1015 | None                             |     0 | 2011-01-17 02:00:00 | 2011-01-18 15:58:07 |
|   10 | None                             |     0 | 2011-01-17 03:00:00 | 2011-01-18 15:35:51 |
|  514 | None                             |     0 | 2011-01-17 03:00:00 | 2011-01-18 15:36:47 |
| 1018 | None                             |     0 | 2011-01-17 03:00:00 | 2011-01-18 15:58:07 |
|   13 | None                             |     0 | 2011-01-17 04:00:00 | 2011-01-18 15:35:51 |
|  517 | None                             |     0 | 2011-01-17 04:00:00 | 2011-01-18 15:36:47 |
| 1021 | None                             |     0 | 2011-01-17 04:00:00 | 2011-01-18 15:58:07 |
|   16 | None                             |     0 | 2011-01-17 05:00:00 | 2011-01-18 15:35:51 |
|  520 | None                             |     0 | 2011-01-17 05:00:00 | 2011-01-18 15:36:47 |
| 1024 | None                             |     0 | 2011-01-17 05:00:00 | 2011-01-18 15:58:07 |
|   19 | None                             |     0 | 2011-01-17 06:00:00 | 2011-01-18 15:35:51 |
|  523 | None                             |     0 | 2011-01-17 06:00:00 | 2011-01-18 15:36:47 |
+------+----------------------------------+-------+---------------------+---------------------+