I'm looking for actual versions of row data. What I want to achieve as a final result is a kind of data change history.
> Date: Fri, 27 Aug 2010 08:25:26 -0500
> From: Kevin(dot)Grittner(at)wicourts(dot)gov
> To: lukasz(dot)brodziak(at)hotmail(dot)com; pgsql-admin(at)postgresql(dot)org
> Subject: Re: [ADMIN] Tuple changes from relfilenodes
> Are you looking for statistics or the actual prior versions of rows?
>
> -Kevin
>
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