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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?.
CREATE TABLE
INSERT 0 24
| id | date | avg_aa | avg_bb | avg_cc |
|---|---|---|---|---|
| 1 | 2021-08-23 | 1 | 2 | 1 |
| 2 | 2021-08-23 | 2 | 1 | 2 |
| 1 | 2021-08-24 | 1 | 2 | 1 |
| 2 | 2021-08-24 | 2 | 1 | 2 |
SELECT 4