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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?.
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| order_table_id | date | is_done_is_ | started | table_number |
|---|---|---|---|---|
| 2 | 2019-11-15 21:01:51 | 0 | 1 | 1 |
| 3 | 2019-11-15 21:02:32 | 0 | 1 | 2 |
| 4 | 2019-11-15 21:02:39 | 0 | 0 | 3 |
| 10 | 2019-11-16 21:02:46 | 1 | 0 | 4 |