Re: Postgresql7.4.5 running slow on plpgsql function
От
Michael Fuhr
Тема
Re: Postgresql7.4.5 running slow on plpgsql function
Дата
Msg-id
20050629125022.GA31236@winnie.fuhr.org
Список
Дерево обсуждения
Postgresql7.4.5 running slow on plpgsql function "Chun Yit(Chronos)" <ivanbeh@chronos.com.my>
Re: Postgresql7.4.5 running slow on plpgsql function Michael Fuhr <mike@fuhr.org>
[Please copy the mailing list on replies so others can contribute to and learn from the discussion.] On Wed, Jun 29, 2005 at 12:29:42PM +0800, Chun Yit(Chronos) wrote: > > Yes, the function will delete records from the temporary table every time > on each call. > if leaving a lot of dead tuples, then how can we solve it? If the function deletes all records from the temporary table then you could use TRUNCATE instead of DELETE. Otherwise you could VACUUM the table between calls to the function (you can't run VACUUM inside a function). -- Michael Fuhr http://www.fuhr.org/~mfuhr/
В списке pgsql-performance по дате отправления
От: Martin Fandel
Дата: