Re: Block-level CRC checks

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>
Cc: Zdenek Kotala <Zdenek(dot)Kotala(at)sun(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Block-level CRC checks
Date: 2008-10-30 15:00:34
Message-ID: 4909CC12.8060002@commandprompt.com
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Jonah H. Harris wrote:
> On Thu, Oct 30, 2008 at 10:33 AM, Zdenek Kotala <Zdenek(dot)Kotala(at)sun(dot)com> wrote:
>> Please, DO NOT MOVE position of page version in PageHeader structure! And
>> PG_PAGE_LAYOUT_VERSION should be bump to 5.
>
> Umm, any in-place upgrade should be capable of handling changes to the
> page header. Of, did I miss something significant in the in-place

I thought that was kind of the point of in place upgrade.

Joshua D. Drake

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