From: | Jie Liang <jliang(at)ipinc(dot)com> |
---|---|
To: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Optimizing huge inserts/copy's |
Date: | 2000-08-30 16:22:22 |
Message-ID: | 39AD34BE.74717395@ipinc.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | 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(at)ipinc(dot)com
www.ipinc.com
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