Re: \dt+ sizes don't include TOAST data

From: Greg Smith <greg(at)2ndquadrant(dot)com>
To: Florian Weimer <fweimer(at)bfk(dot)de>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: \dt+ sizes don't include TOAST data
Date: 2010-01-22 00:22:50
Message-ID: 4B58EFDA.7060904@2ndquadrant.com
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Florian Weimer wrote:
> The sizes displayed by \dt+ in version 8.4.2 do not take TOAST tables
> into account, presumably because the pg_relation_size does not reflect
> that, either. I think this is a bit surprising. From a user
> perspective, these are part of the table storage (I understand that
> the indices might be a different story, but TOAST table are a fairly
> deep implementation detail and should perhaps be hidden here).
>

As of last week there's a new pg_table_size available that does what you
want here:
http://archives.postgresql.org/pgsql-committers/2010-01/msg00288.php

I don't believe \dt+ has been updated yet to use that though; that's
worth considering for a minute, not sure anybody thought about it yet.

--
Greg Smith 2ndQuadrant Baltimore, MD
PostgreSQL Training, Services and Support
greg(at)2ndQuadrant(dot)com www.2ndQuadrant.com

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