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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?.
4 rows affected
a | row_num | first_row | last_row |
---|---|---|---|
1 | 1 | 1 | 1 |
2 | 1 | 1 | 0 |
2 | 2 | 0 | 1 |
3 | 1 | 1 | 1 |