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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?.
10 rows affected
| id | parent_id |
|---|---|
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 5 |
| 9 | 6 |
| 10 | 3 |