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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?.
CREATE TABLE
INSERT 0 7
| container | date_from | date_to |
|---|---|---|
| A | 2023-10-01 00:00:00 | 2023-10-03 11:00:00 |
| B | 2023-10-04 02:00:00 | 2023-10-04 03:00:00 |
| C | 2023-10-04 06:00:00 | 2023-10-06 10:00:00 |
| A | 2023-10-06 11:00:00 | 2023-10-06 20:00:00 |
| C | 2023-10-06 21:00:00 | 2023-10-07 10:00:00 |
SELECT 5