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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?.
6 rows affected
| user_id | time_utc |
|---|---|
| 1 | 2022-01-30 |
| 1 | 2022-02-01 |
| 1 | 2022-02-11 |
| 2 | 2022-01-02 |
| 2 | 2022-01-10 |
| 3 | 2022-02-04 |
| user_id | month | status |
|---|---|---|
| 1 | 1 | new |
| 1 | 2 | retained |
| 2 | 1 | new |
| 3 | 2 | new |