By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.
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 6
time | metric_a | metric_b | value |
---|---|---|---|
B | A | A | 1 |
B | A | B | 2 |
B | A | C | 1 |
SELECT 3