Re: psql \dt and table size

From: Cédric Villemain <cedric(dot)villemain(dot)debian(at)gmail(dot)com>
To: David Fetter <david(at)fetter(dot)org>
Cc: Bernd Helmle <mailings(at)oopsware(dot)de>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: psql \dt and table size
Date: 2011-03-22 16:47:39
Message-ID: AANLkTikEv7HKaQSWzrXF7dWBqS5zD3=TJQPONMONuPv=@mail.gmail.com
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2011/3/22 David Fetter <david(at)fetter(dot)org>:
> +1 for fixing this behavior in 9.1.  -1 for changing in 9.0, as the
> change in behavior mid-release will cause more confusion than the
> incomplete accounting does.

Idem.

>
> Cheers,
> David.
> On Mon, Mar 21, 2011 at 06:44:51PM +0100, Bernd Helmle wrote:
>> It stroke me today again, that \dt+ isn't displaying the acurate
>> table size for tables, since it uses pg_relation_size() till now.
>> With having pg_table_size() since PostgreSQL 9.0 available, i
>> believe it would be more useful to have the total acquired storage
>> displayed, including implicit objects (the mentioned case where it
>> was not very useful atm was a table with a big TOAST table).
>>
>> Attached minor patch extends \dt to use pg_table_size() starting
>> with PostgreSQL 9.0, not sure if we backport such changes though. It
>> would be interesting for 9.1, however.
>>
>> --
>> Thanks
>>
>>       Bernd
>
>
>>
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>
> --
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--
Cédric Villemain               2ndQuadrant
http://2ndQuadrant.fr/     PostgreSQL : Expertise, Formation et Support

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