Hengky Liwandouw <hengkyliwandouw@xxxxxxxxx> wrote: > > But the problem is : when i change the where clause to : > > where jualid is not null or returjualid is not null > and extract(year from tanggal)='2013') Try to create this index: create index xxx on public.tbltransaksi((extract(year from tanggal))) where jualid is not null or returjualid is not null; an run the query again, and if this not helps show us explain analyse, you can use explain.depesz.com to provide us the plan. Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889° -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
