Re: Optimizing huge inserts/copy's
Jie Liang <jliang@ipinc.com>
From: Jie Liang <jliang@ipinc.com>
To: Stephan Szabo <sszabo@megazone23.bigpanda.com>
Cc: pgsql-sql@postgresql.org
Date: 2000-08-30T16:22:22Z
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@ipinc.com www.ipinc.com