No you're right, it's related to the WAL undo stuff that was never
actually implemented. It's dead code.
Teodor Sigaev wrote:
> Opps, sorry, I missed checkpoint keyword
>
> Teodor Sigaev wrote:
>>
>>> What am I missing?
>> Seems, it's about that
>> http://archives.postgresql.org/pgsql-committers/2005-06/msg00085.php
>>
>
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com