Re: Re: Thought on OIDs

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От adb
Тема Re: Re: Thought on OIDs
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Msg-id Pine.GSO.4.10.10103021104450.2561-100000@hairdini.beast.com
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Ответ на Re: Re: Thought on OIDs  (Peter Eisentraut <peter_e@gmx.net>)
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I personally would like to see 8byte OIDs or at least int8 sequences,  I'm
a little worried about the pain of managing a potential rollover when I'm
using sequences as a replication key between servers.

Alex.

On Fri, 2 Mar 2001, Peter Eisentraut wrote:

> Rod Taylor writes:
>
> > Someones bound to hit it in a year or 2 as Postgres is getting pretty
> > good for large projects as well as the small, especially with 7.1's
> > speed enhancements.  Hopefully 7.2 will create cycling OIDs and XIDs.
> > Then less problems in 'unlimited' extendability.
>
> The easiest approach for OIDs will probably be making them optional in the
> first place.  For the vast majority of users, the OIDs are just wasting
> space.
>
> The cycling XID idea is based on the assertion that eventually all
> transactions will be closed, at which time a record is either known
> committed or known dead so that the XID can be recycled.  For OIDs, this
> is not practical.  And if you wanted OIDs that automatically fill in the
> holes, that's probably not realistic.
>
> --
> Peter Eisentraut      peter_e@gmx.net       http://yi.org/peter-e/
>
>
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