+-------+----------------------------+---------+
| agent | time | event |
+-------+----------------------------+---------+
| 2038 | 2019-12-12 17:03:50.353069 | PAUSE |
| 2038 | 2019-12-12 17:03:57.838925 | UNPAUSE |
| 2038 | 2019-12-12 17:04:02.755322 | PAUSE |
| 2038 | 2019-12-12 17:04:35.352714 | UNPAUSE |
| 2038 | 2019-12-12 17:04:43.897645 | PAUSE |
| 2038 | 2019-12-12 17:04:47.410228 | UNPAUSE |
| 2038 | 2019-12-13 15:51:33.962705 | PAUSE |
| 2038 | 2019-12-13 15:51:39.380298 | UNPAUSE |
| 2038 | 2019-12-14 23:48:19.191524 | PAUSE |
| 2038 | 2019-12-14 23:48:30.946623 | PAUSE |
| 2038 | 2019-12-15 11:20:00.804379 | UNPAUSE |
| 2038 | 2019-12-15 22:27:11.150670 | PAUSE |
| 2038 | 2019-12-15 22:27:18.140039 | UNPAUSE |
| 2038 | 2019-12-15 22:27:27.325629 | PAUSE |
| 2038 | 2019-12-15 22:27:33.711765 | UNPAUSE |
+-------+----------------------------+---------+
Есть такая таблица (ее часть). Как посчитать кол. времени (sum) между всеми событиями PAUSE - UNPAUSE?