[ZODB-Dev] non-transactional undo

[Toby Dickenson]

On Monday 16 June 2003 13:43, Barry Warsaw wrote:
> On Mon, 2003-06-16 at 08:00, Toby Dickenson wrote:
> > Does anyone use non-transactional undo? Zope doesnt.
> >
> > This is the only place that FileStorage writes somewhere other than the
> > tail of the file, so the possibility of a non-transactional undo
> > complicates any backup schemes. Im not aware of any other storage that
> > supports it, other than FileStorage.
>
> Non-transactional undo is evil. :)
>
> > If noone is using it, can we set a schedule for removing it?
>
> ZODB4...?

I think the repozo.py tool (FileStorage backup tool that I didnt know about 
until this morning!) isnt safe because of non-transactional undo (and 
possibly other reasons - I stopped reviewing)

Can we set a schedule for removing it in ZODB3?
If not removing it, inhibiting it by default.

-- 
Toby Dickenson
http://www.geminidataloggers.com/people/tdickenson