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?.
select extname from pg_extension order by 1;
| extname |
|---|
| btree_gin |
| btree_gist |
| hstore |
| intarray |
| ltree |
| pageinspect |
| pg_trgm |
| plpgsql |
| postgis |
| tablefunc |
| tsm_system_rows |
| unaccent |
SELECT 12