4
GROUP BY ve ORDER BY ile büyük tabloda yavaş sorgu
Ben aşağıdaki gibi 7.2 milyon tuples ile bir tablo var: table public.methods column | type | attributes --------+-----------------------+---------------------------------------------------- id | integer | not null DEFAULT nextval('methodkey'::regclass) hash | character varying(32) | not null string | character varying | not null method | character varying | not null file | character …