Re: Optimizing huge inserts/copy's

Поиск
Список
Период
Сортировка
От Jie Liang
Тема Re: Optimizing huge inserts/copy's
Дата
Msg-id 39AD34BE.74717395@ipinc.com
обсуждение исходный текст
Ответ на Re: Optimizing huge inserts/copy's  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
Список pgsql-sql
Hi, there,

I tried different  ways,  include vaccum table ,  ensure index works, it
still is as slow as ~100rows per minute.


Stephan Szabo wrote:

> On Tue, 29 Aug 2000, Jie Liang wrote:
>
> > Hi, there,
> >
> > 1. use copy ... from '.....';
> > 2. write a PL/pgSQL function and pass multiple records as an array.
> >
> > However, if your table have a foreign key constraint, it cannot be speed
> > up,
> >
> > I have same question as you, my table invloving 9-13 million rows, I
> > don't
> > know how can I add a foreign key them also?
>
> I haven't tried it on really large tables, but does it turn out faster to
> use ALTER TABLE ADD CONSTRAINT to add the foreign key constraint after the
> data is loaded and the indexes are created?

--
Jie LIANG

Internet Products Inc.

10350 Science Center Drive
Suite 100, San Diego, CA 92121
Office:(858)320-4873

jliang@ipinc.com
www.ipinc.com





В списке pgsql-sql по дате отправления:

Предыдущее
От: "Normunds"
Дата:
Сообщение: function
Следующее
От: Webb Sprague
Дата:
Сообщение: Re: Optimizing huge inserts/copy's