[ZODB-Dev] undo (and storage interface) brokenness

Jim Fulton jim at zope.com
Wed Dec 23 16:26:26 EST 2009

On Wed, Dec 23, 2009 at 4:20 PM, Jeff Shell <jeff at bottlerocket.net> wrote:
> On Dec 23, 2009, at 1:26 PM, Jim Fulton wrote:
>> I'm looking at undo today because it is complicating ZEO transaction management.
>> Undo is broken in a number of ways. Does anyone care?  Does anyone use undo?
> Are you asking at the ZODB level, or at a higher level, such as Zope?

I'm asking if applications are using undo these days.

> We use it in our Zope 3 based CMS. We usually only expose a single-level undo and have not exposed any interface to undo more.

What do you mean by single undo? Undoing just one transaction?

> I have noticed that trying to access the Rotterdam skin (I guess) "undo more / undo all" views blow up when using ZEO. But again, we don't expose those to our customers and never really use them much ourselves.


Thanks for letting me know.


Jim Fulton

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