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Re: delta metric

From: Karl Fogel <kfogel_at_galois.collab.net>
Date: 2001-03-05 18:30:26 CET

Jim Blandy <jimb@zwingli.cygnus.com> writes:
> > > Since revision numbers increase by one each time a delta is added,
> > > we can compute how many deltas separate two related node revisions
> > > simply by comparing their ID's. For example, the distance between
> > > 100.10.3.2 and 100.12 is the distance from 100.10.3.2 to their
> > > common ancestor, 100.10 (two deltas), plus the distance from 100.10
> > > to 100.12 (two deltas).
> >
> > This metric really isn't true anymore is it? I mean we can't really
> > say (in the example above) that the two node revisions are 4 deltas
> > apart, because we can have "holes" in our nodes table, right?
>
> Can you give me an example of the sort of hole you have in mind?

I think he meant:

   Jane starts a Subversion txn.
   Bill starts a Subversion txn.
   Jane makes a change to node N in her txn.
   Bill makes a change against the same base revision of N, in his txn.
   Jane aborts her txn.
   Bill commits his txn.
Received on Sat Oct 21 14:36:25 2006

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