Re: Backward compatibility (was Re: Announcing Newt DB, the amphibious database)

On Thu, Feb 23, 2017, at 19:37, David Glick (Glick Software) wrote:

> I think so. I'll hedge my bets and say it would let us run the tests
> and see if there's anything else that needs attention.


IIRC there was also a change in the undo protocol. At some point I
dropped the ZopeUndo dependency in Zope 4.0 master
(https://github.com/zopefoundation/Zope/commit/41c8944dfab6ea4111d61a5aefc534b7c118ef87)
. ZopeUndo had a ZopeUndo.Prefix class in it. This was what enabled you
to filter the undo log information based on physical paths.


I think Jim noted at the time that there would be a way to retain
that functionality, but at least I didn't have a use-case for it
for Zope 4.0.


Hanno

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