From: Dimitri Fontaine <dim@dalibo.com>
To: pgsql-performance@postgresql.org
Cc: Ioana Danes <ioanasoftware@yahoo.ca>
Subject: Re: Postgresql 8.1.4 - performance issues for select on view using max
Date: Wed, 18 Oct 2006 22:13:17 +0200
Message-ID: <200610182213.19037.dim@dalibo.com> (raw)
In-Reply-To: <20061018195134.72985.qmail@web55902.mail.re3.yahoo.com>
References: <20061018195134.72985.qmail@web55902.mail.re3.yahoo.com>
Hi,
Le mercredi 18 octobre 2006 21:51, Ioana Danes a écrit :
> I am doing a test for a scenario where I have 2
> schemas one (public) for the operational data and
> another one (archive) for old, archived data. So
> basically I want to split the data from some huge
> tables in two. All data before 2006 in archive and all
> data after and including 2006 in public.
[...]
> I got into a scenario where my plan does not work
> without doing code change.
This sounds a lot as a ddl partitionning, you may want to add some checks to
your schema and set constraint_exclusion to on in your postgresql.conf.
Please read following documentation material :
http://www.postgresql.org/docs/8.1/interactive/ddl-partitioning.html
Regards,
--
Dimitri Fontaine
http://www.dalibo.com/
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To: pgsql-performance@postgresql.org
Cc: dim@dalibo.com, ioanasoftware@yahoo.ca
Subject: Re: Postgresql 8.1.4 - performance issues for select on view using max
In-Reply-To: <200610182213.19037.dim@dalibo.com>
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