[ZODB-Dev] _p_resolveConflicts

JohnD.Heintz JohnD.Heintz
Thu, 2 Aug 2001 16:35:45 -0500


Yeah, I understand.  I've got some pent up small suggestions that I'd lik=
e to=20
input into that process when it starts - will you be announcing its begin=
ning?

I'm thinking stuff like explicit delete, archiving some Persistent object=
s,=20
and the like.  Not big enough (or well thought out enough) to build a=20
Proposal yet.

John


On Thursday 02 August 2001 15:21, Jim Fulton wrote:
> "John D. Heintz" wrote:
> > Do you have any prediction for when this work will begin?
>
> Fraid not. I hope in the next few months, but ...
>
> This is not a small effort, since it requires a significant
> change in the storage API.
>
> Jim
>
> > Thanks,
> > John
> >
> > On Thursday 02 August 2001 14:51, Jim Fulton wrote:
> > > "Randall F. Kern" wrote:
> > > > Although my hook (_p_resolveConflicts) is called and is returning=
 the
> > > > proper state, the transactions are still being retried :(
> > > >
> > > > Does the default FileStorage in Zope 2.4.0 support conflict
> > > > resolution or not?
> > >
> > > It does.
> > >
> > > Note that conflict errors can be detected when reading data.
> > > Conflict resolution cannot resolve conflicts detected when
> > > reading.  :(
> > >
> > > We need to add full support for "multi-version concurrency
> > > control", which will allow us to avoid read conflicts by
> > > reading non-current but consistent data.
> > >
> > > Jim
> > >
> > > --
> > > Jim Fulton           mailto:jim@digicool.com   Python Powered!
> > > Technical Director   (888) 344-4332            http://www.python.or=
g
> > > Digital Creations    http://www.digicool.com   http://www.zope.org
> > >
> > > _______________________________________________
> > > For more information about ZODB, see the ZODB Wiki:
> > > http://www.zope.org/Wikis/ZODB/
> > >
> > > ZODB-Dev mailing list  -  ZODB-Dev@zope.org
> > > http://lists.zope.org/mailman/listinfo/zodb-dev
> >
> > --
> > . . . . . . . . . . . . . . . . . . . . . . . .
> >
> > John D. Heintz | Senior Engineer
> >
> > 1016 La Posada Dr. | Suite 240 | Austin TX 78752
> > T 512.633.1198 | jheintz@isogen.com
> >
> > w w w . d a t a c h a n n e l . c o m
> >
> > _______________________________________________
> > For more information about ZODB, see the ZODB Wiki:
> > http://www.zope.org/Wikis/ZODB/
> >
> > ZODB-Dev mailing list  -  ZODB-Dev@zope.org
> > http://lists.zope.org/mailman/listinfo/zodb-dev
>
> --
> Jim Fulton           mailto:jim@digicool.com   Python Powered!
> Technical Director   (888) 344-4332            http://www.python.org
> Digital Creations    http://www.digicool.com   http://www.zope.org

--=20
=2E . . . . . . . . . . . . . . . . . . . . . . .

John D. Heintz | Senior Engineer

1016 La Posada Dr. | Suite 240 | Austin TX 78752
T 512.633.1198 | jheintz@isogen.com

w w w . d a t a c h a n n e l . c o m