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?.
ERROR: function array_append(anyarray, anyelement) does not exist
ERROR: function median(integer) does not exist LINE 1: SELECT median(x.y) FROM (VALUES (1),(2),(3),(4),(5)) AS x(y) ^ HINT: No function matches the given name and argument types. You might need to add explicit type casts.
CREATE AGGREGATE
median |
---|
{1,2,3,4,5} |
SELECT 1