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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?.
9 rows affected
| t_id | t_amount | b_id | b_amount |
|---|---|---|---|
| 1 | 50 | 7 | 50 |
| 3 | 50 | 15 | 50 |
| 17 | 50 | 80 | 50 |