Re: LockObject patch

Alvaro Herrera wrote:
> On Mon, Dec 20, 2004 at 03:09:31PM -0500, Tom Lane wrote:
> > Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> writes:
> > > Here is the LockObject patch I was able to come up with. It's almost
> > > the same patch that Rod Taylor published two years ago; basically, it
> > > expands LOCKTAG with a ClassId attribute, and provides a LockObject
> > > method to allow locking arbitrary objects.
> >
> > I wonder whether it wouldn't be possible to clean up the "XactLockTable"
> > kluge with this --- ie, instead of denoting transaction locks by a
> > special relation ID, denote them by a special class ID. That might just
> > move the kluginess from one place to another, but it's worth thinking about.
>
> How about locking the special class InvalidOid? We don't use that ATM
> AFAICS.

When we roll over OID's do we make sure we never return InvalidOid?

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