Re: extensible external toast tuple support

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org, Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>
Subject: Re: extensible external toast tuple support
Date: 2013-07-02 17:40:02
Message-ID: CA+TgmoYqBp4hOuOgj+hh5qB4huKxgjZwfVqAeOGb+v_sW1AO3w@mail.gmail.com
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On Tue, Jul 2, 2013 at 11:06 AM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> In that case the old value will rather likely just have been read just
> before, so the price of rereading should be relatively low.

Maybe in terms of I/O, but there's still CPU.

> is a rather valid point. I've split the patch accordingly. The second
> patch is *not* supposed to be applied together with patch 1 but rather
> included for reference.

OK, committed patch 1.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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