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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?.
3 rows affected
2 rows affected
a | b | t1 | t2 |
---|---|---|---|
1 | 1 | 1 | 11 |
1 | 2 | 2 | null |
2 | 1 | 3 | null |