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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
| id | property_a | property_b | property_c | property_d |
|---|---|---|---|---|
| 1 | ABC | 1 | Text text text | 2025-03-14T00:00:00.000Z |
| 1 | ABC | 2 | Text number two | 2026-05-02T00:00:00.000Z |
| 2 | DEF | 3 | More text | 2025-03-16T00:00:00.000Z |
| 2 | GHI | 4 | Another text | 2026-06-02T00:00:00.000Z |
SELECT 4