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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?.
| denom | remainder |
|---|---|
| 10 | 33 |
| 10 | 23 |
| 10 | 13 |
| 10 | 3 |
| 2 | 1 |
| 1 | 0 |
SELECT 6