Tom Lane <[EMAIL PROTECTED]> writes:

> As it happens, the original Berkeley-era Postgres did indeed add
> creation and deletion timestamps to every row, as part of their "time
> travel" feature.  That got ripped out very soon after the code left
> Berkeley, because the overhead was just unacceptable ... and our
> threshold for unacceptable performance was a whole lot higher then
> than it is today ...
> 
> It's worth noting in connection with this Joe Hellerstein's description
> of Berkeley-era Postgres:
> http://archives.postgresql.org/pgsql-hackers/2002-06/msg00085.php

The followups are fascinating too. The next three messages immediately begin
discussing how to get back this feature at least as an option.


-- 
greg


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