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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?.
4 rows affected
10 rows affected
| myid | mydate | item1 | item2 | item3 | item4 | item5 | item6 |
|---|---|---|---|---|---|---|---|
| 1 | 2020-01-01 | Widget 0 | Widget 1 | null | null | null | null |
| 2 | 2020-01-02 | Widget 1 | null | null | null | null | null |
| 3 | 2020-01-03 | Widget 0 | Widget 7 | Widget 2 | Widget 10 | null | null |
| 4 | 2020-01-03 | Widget 87 | null | null | null | null | null |