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Re: Oid registry

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Magnus Hagander <magnus(at)hagander(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>,Peter Eisentraut <peter_e(at)gmx(dot)net>,Andrew Dunstan <andrew(at)dunslane(dot)net>
Subject: Re: Oid registry
Date: 2012-10-01 14:12:06
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Thu, Sep 27, 2012 at 04:02:45PM -0400, Robert Haas wrote:
> On Thu, Sep 27, 2012 at 2:34 PM, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
> > I'm not sure that's a way we really want to go down. How do we define which
> > third party vendors would get to reserve oids? And how many? And under what
> > other potential terms?
> >
> > Seems like we'd set ourselves up for endless discussions and bike
> > shedding...
> Not really.  I'm only proposing that it would be nice to have a block
> of OIDs that core agrees not to assign for any other purpose, not that
> we dole out specific ones to specific companies.  There's no reason
> why, for example, EnterpriseDB's fork can't use OIDs from the same
> reserved block as PostgreSQL-XC's fork or Greenplum's fork or Aster
> Data's fork - those are all distinct projects.  All might need private
> OIDs but they can all come from the same range because the code bases
> don't mingle.
> That having been said, we've gotten this far without having any
> terrible trouble about this, so maybe it's not worth worrying about.
> It's a nice-to-have, not a big deal.

Interesting idea, but if plugable data types started using that reserved
range, it could conflict with XC or EDB-reserved oids, making those data
types unusable in those forks.  Maybe we need two reserved ranges.

  Bruce Momjian  <bruce(at)momjian(dot)us>

  + It's impossible for everything to be true. +

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