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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?.
8 rows affected
| date_key | cum_monthly_users |
|---|---|
| 2022-01-01 | 2 |
| 2022-01-02 | 3 |
| 2022-01-03 | 3 |
| 2022-01-04 | 4 |