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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?.
| id | date | bonus |
|---|---|---|
| 4 | 2022-03-25 16:11:06.445559 | 7000 |
| 2 | 2022-03-15 16:11:06.445559 | 4000 |
| 1 | 2022-03-10 16:11:06.445559 | 6000 |
| 5 | 2022-03-30 16:11:06.445559 | null |
| 3 | 2022-03-20 16:11:06.445559 | null |
SELECT 5