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?.
SUM(DISTINCT) | ?column? |
---|---|
50005000 | 00:00:00.00305 |
SUM_DISTINCT | ?column? |
---|---|
50005000 | 00:00:01.336863 |