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Re: svn commit: r1716548 - /subversion/trunk/subversion/tests/libsvn_fs/fs-test.c

From: Daniel Shahaf <d.s_at_daniel.shahaf.name>
Date: Sat, 28 Nov 2015 16:55:58 +0000

Philip Martin wrote on Fri, Nov 27, 2015 at 09:27:40 +0000:
> Daniel Shahaf <d.s_at_daniel.shahaf.name> writes:
> > Philip Martin wrote on Thu, Nov 26, 2015 at 13:46:39 +0000:
> >> I suppose one way to fix this would be to ensure that every BDB revision
> >> generates a new node-revision-id.
> >
> > I wouldn't call this a fix; I think it is a workaround. A "fix" would
> > be to figure out why bdb reports the wrong revision number, not to make
> > the place it wrongly looks the value up in contain the right value.
> I don't understand whay you want. BDB does not store the base revision
> in the txn, it stores the base node-revision-id instead. Revisions
> usually map 1:1 to the base node-revision-ids but the editor drive
> "begin_txn, commit" breaks this because it creates a revision that
> shares the base node-revision-id with the previous revision. My patch
> makes the mapping 1:1 so storing the node-revision-id works.

The tree layer assumes the DAG layer never shares root noderevs among
revisions. That assumption is false. You proposed to make the DAG
layer meet the assumption. I proposed to make the tree layer not make
the assumption.
Received on 2015-11-28 17:56:13 CET

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