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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?.
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| created_at | morning widgets (before noon) | evening widgets (after noon) |
|---|---|---|
| 2022-05-01 | 2 | 0 |
| 2022-05-02 | 0 | 1 |
| 2022-05-03 | 1 | 0 |
| 2022-05-04 | 1 | 0 |