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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?.
| ?column? | a | b |
|---|---|---|
| 1 | 2 | 3 |
| ?column? | a | b |
|---|---|---|
| 1 | 2 | 3 |
| ?column? | a | b |
|---|---|---|
| 1 | 2 | 3 |