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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?.
SELECT 7
| index | total | delta |
|---|---|---|
| 0 | 3 | null |
| 1 | 5 | 2 |
| 2 | 10 | 5 |
| 3 | 11 | 1 |
| 4 | 15 | 4 |
| 5 | 21 | 6 |
| 6 | 23 | 2 |
SELECT 7