From: | Rod Taylor <rbt(at)rbt(dot)ca> |
---|---|
To: | R C <raymond(dot)chui(at)noaa(dot)gov> |
Cc: | pgadmin-support(at)postgresql(dot)org, pgadmin-hackers(at)postgresql(dot)org |
Subject: | Re: Table fragmentation? |
Date: | 2003-06-12 13:22:08 |
Message-ID: | 1055424127.64954.2.camel@jester |
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Lists: | pgadmin-hackers pgadmin-support |
On Thu, 2003-06-12 at 08:48, R C wrote:
> Will PostgreSQL has a plan to support
> table fragmentation in nearby future?
> This will increase the performance when
> query a huge database. Most of commercial
> database products have this feature.
You will probably find nearly as big of a performance gain by splitting
your index up.
Take a look at partial indexes (with the WHERE clause).
http://www.postgresql.org/docs/view.php?version=7.3&idoc=1&file=sql-createindex.html
--
Rod Taylor <rbt(at)rbt(dot)ca>
PGP Key: http://www.rbt.ca/rbtpub.asc
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