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Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
2 rows affected
| start_time | end_time | diff |
|---|---|---|
| 2018-09-20 10:00:00 | 2018-09-20 11:00:00 | 01:00 |
| 2018-09-21 09:00:00 | 2018-09-22 08:55:00 | 23:55 |
| sum |
|---|
| 24:55:00 |