audit trail, take 2

[Dave Peticolas]

David Merrill writes:
> On Thu, Jan 04, 2001 at 01:39:43PM -0800, Dave Peticolas wrote:
> > David Merrill writes:
> > > 
> > > The xaction_id is not globally unique. If a record is edited 9 times,
> > > there will be 10 records with the same id. Once for the record
> > > originally created, and once for each edit.
> > > 
> > > The guid is globally unique. Each of these records would have different
> > > guids.
> > 
> > Right. What I meant was, can we make xaction_id globally unique
> > under the equivalence relation 
> > 
> > Transaction t1 == Transaction t2 iff t1 is an update of t2 or
> >                                      t2 is an update of t1?
> > 
> > So that xaction_id globally uniquely identifies the equivalence
> > class.
> 
> You're talking right over my head.

I'm pretty sure it does what I'm asking, but let me rephrase. Does
xaction_id globally uniquely identify the audit trail of edited
transactions? I.e., no other audit trail of transactions has that
same xaction_id.

dave