Re: Huge Data

Shridhar Daithankar <shridhar_daithankar@myrealbox.com>

From: Shridhar Daithankar <shridhar_daithankar@myrealbox.com>
To: pgsql-general@postgresql.org
Date: 2004-01-14T12:42:41Z
Lists: pgsql-general
On Wednesday 14 January 2004 17:57, Sezai YILMAZ wrote:
> Richard Huxton wrote:
> >What are you using the count() for?
>
> I use count() for some statistics. Just to show how many records
> collected so far.

Rather than doing count(*), you should either cache the count in application 
memory

 or analyze often and use following.

'select reltuples from pg_class where relname = 'foo'; 

This would give you approximate count. I believe it should suffice for your 
needs.

HTH

 Shridhar