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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?.
| id_lot | id_programme | ratio |
|---|---|---|
| 101 | 1 | 0.49315068493150684932 |
| 201 | 1 | 0.50684931506849315068 |
| 391 | 2 | 1.00000000000000000000 |
SELECT 3