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Re: delta metric

From: Jim Blandy <jimb_at_zwingli.cygnus.com>
Date: 2001-03-05 20:25:42 CET

Ben Collins-Sussman <sussman@newton.ch.collab.net> writes:
> A comment from svn_fs.h:
> > 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
> > and 100.12 is the distance from 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?
Received on Sat Oct 21 14:36:25 2006

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