Re: Proposal: Multiversion page api (inplace upgrade)

From: Gregory Stark <stark(at)enterprisedb(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>, "Zdenek Kotala" <Zdenek(dot)Kotala(at)Sun(dot)COM>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal: Multiversion page api (inplace upgrade)
Date: 2008-06-12 00:17:59
Message-ID: 87wskv4ibs.fsf@oxford.xeocode.com
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"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:

> (Likely counterexample: adding collation info to text values.)

I don't think the argument really needs an example, but I would be pretty
upset if we proposed tagging every text datum with a collation. Encoding
perhaps, though that seems like a bad idea to me on performance grounds, but
collation is not a property of the data at all.

--
Gregory Stark
EnterpriseDB http://www.enterprisedb.com
Ask me about EnterpriseDB's Slony Replication support!

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