Re: visibilitymap_set and checksums

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Andres Freund <andres(at)2ndquadrant(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: visibilitymap_set and checksums
Date: 2013-05-24 18:09:57
Message-ID: CA+U5nM+vKbORAqZ6+G_tJPYqNvQaSEnpMR7kqY2MP82NaJP4kA@mail.gmail.com
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On 24 May 2013 18:40, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:

> That pattern looks dangerous. Setting the lsn of the heap page will
> prevent the next action from doing a FPI even if it would be required.

Can you be more specific about the danger you see?

--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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