Re: Variable versus constrant size tuples

From: Merlin Moncure <mmoncure(at)gmail(dot)com>
To: Krzysztof Chodak <krzysztof(dot)chodak(at)gmail(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Variable versus constrant size tuples
Date: 2011-08-19 15:03:52
Message-ID: CAHyXU0zz0H2vnW823L9kBR86qj7QgaW8GWzZwqCR6EbA=tZC_w@mail.gmail.com
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On Fri, Aug 19, 2011 at 4:03 AM, Krzysztof Chodak
<krzysztof(dot)chodak(at)gmail(dot)com> wrote:
> Is there any performance benefit of using constant size tuples?

not really. If your tuple size is under a known maximum length, then
a toast table doesn't have to be created. that's a pretty minor
detail though.

merlin

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