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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 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
INSERT 0 1
| loc | first_hour | last_hour |
|---|---|---|
| 1 | 10 | 12 |
| 2 | 13 | 14 |
| 1 | 15 | 16 |
SELECT 3