From: Chris <dmagick@gmail.com>
To: Christian Paul Cosinas <cpc@cybees.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Speed Up Offset and Limit Clause
Date: Thu, 11 May 2006 16:51:36 +1000
Message-ID: <4462DEF8.7060805@gmail.com> (raw)
In-Reply-To: <002801c67509$8f1a51a0$1e21100a@ghwk02002147>
References: <002801c67509$8f1a51a0$1e21100a@ghwk02002147>
Christian Paul Cosinas wrote:
> Hi!
>
> How can I speed up my server's performance when I use offset and limit
> clause.
>
> For example I have a query:
> SELECT * FROM table ORDER BY id, name OFFSET 100000 LIMIT 10000
>
> This query takes a long time about more than 2 minutes.
>
> If my query is:
> SELECT * FROM table ORDER BY id, name OFFSET 50000 LIMIT 10000
> It takes about 2 seconds.
Please create a new thread rather than replying to someone elses post
and changing the subject. These threads can sometimes get missed.
You do have an index on id and name don't you?
--
Postgresql & php tutorials
http://www.designmagick.com/
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To: pgsql-performance@postgresql.org
Cc: dmagick@gmail.com, cpc@cybees.com
Subject: Re: Speed Up Offset and Limit Clause
In-Reply-To: <4462DEF8.7060805@gmail.com>
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