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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?.
7 rows affected
| col1 | col2 | total |
|---|---|---|
| A | 3 | 3 |
| B | 7 | 10 |
| C | 6 | 16 |
| D | 5 | 5 |
| E | 9 | 14 |
| F | 3 | 17 |
| G | 8 | 8 |