[ZODB-Dev] Multi-version concurrency control

[Jeremy Hylton]

On Mon, 2003-09-29 at 10:11, Casey Duncan wrote:
> > http://www.zope.org/Wikis/ZODB/MultiVersionConcurrencyControl
> This is very well written, not an easy thing to explain to the proletariat 
> down here ;^)

Thanks :-).

> A question: Will the ZODB provide a way to revert to the current behavior when 
> the application wishes to retrieve the latest revision of an object 
> regardless of the state of that object at the start of the transaction? I can 
> think of a couple places where this would be desireable.
> 
> I suspect the answer is to call load() explicitly in a particular way that 
> means "current revision", no?

load() will always mean current revision.  I think the way to deal with
this is to add an option to a connection.  You can either get MVCC or
you can always get the current object and risk conflict errors.

Jeremy