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Re: delta metric

From: Ben Collins-Sussman <sussman_at_newton.ch.collab.net>
Date: 2001-03-06 16:47:57 CET

Karl Fogel writes:

> Jane starts a Subversion txn 0.
> Bill starts a Subversion txn 1.
> Jane makes a change against 3.7 in txn 0, creating node rev 3.8
> Bill makes a change against 3.7 in txn 1, creating node rev 3.8.1.1.
> Jane aborts her txn, node rev 3.8 is removed from the database.
> Bill commits his txn, node rev 3.8.1.1 is committed for all time.
> =====> Now 3.8.1.1 exists, but 3.8 does not
>
> there isn't a "hole", and won't be a hole in the future, because no
> two-component noderev ID of the form 3.N (where N >= 8) will ever be
> created after the above scenario has happened.

and Jim Blandy writes:
 
> 3.10 cannot exist unless 3.8 does.

<ding!> Ahhhhhhhhhh...... enlightenment.
Received on Sat Oct 21 14:36:25 2006

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