[ZODB-Dev] ZODB4 project plan

[holger krekel]

Phillip J. Eby wrote:
> At 06:41 PM 11/28/02 +0200, Pieter Nagel wrote:
> 
> >I'd rather see nested transactions be the one and only transaction-like
> >concept embodied in ZODB.
> 
> What do you use (or intend to use) nested transactions for?

For composing several units of work where some of them
have alternatives when an error occurs.  I can then rollback
everything a certain unit of work modified and continue with
the alternative.  Only at the end of all the steps does the
outer transaction end. 

    holger