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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?.
| idx | value | coalesce |
|---|---|---|
| 1 | 2 | 2 |
| 2 | 4 | 4 |
| 3 | null | 4 |
| 4 | null | 4 |
| 5 | 10 | 10 |
SELECT 5
| idx | value | array_remove |
|---|---|---|
| 1 | 2 | 2 |
| 2 | 4 | 4 |
| 3 | null | 4 |
| 4 | null | 4 |
| 5 | 10 | 10 |
SELECT 5