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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 2
| start_time | end_time |
|---|---|
| 06:00:00 | 09:00:00 |
| 15:00:00 | 17:00:00 |
| 22:00:00 | 23:59:59 |
SELECT 3