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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 5
| date | value |
|---|---|
| 2021-01-05 | 3 |
| 2021-01-04 | 3 |
| 2021-01-03 | 3 |
| 2021-01-02 | 1 |
| 2021-01-01 | 1 |
SELECT 5