[ZODB-Dev] Commit or lock object accross transactions

[Roché Compaan]

* Christian Reis <kiko at async.com.br> [2003-07-28 23:49]:
> On Mon, Jul 28, 2003 at 05:42:25PM -0400, Shane Hathaway wrote:
> > The RDBMS parallel is a sequence, but an important difference is that 
> > ZEO lets you have only one such sequence.  Maybe ZEO should let you have 
> > an arbitrary number of integer sequences (keyed by OID, perhaps).
> 
> I'd *really* say +1 on that, though I'd suggest keyed by a string, since
> you might not have an OID at the time you want to create a sequence
> (think an ID for a certain class of objects; you might need it before
> creating the first one).
> 
> This is a really a critical feature for anybody considering the ZODB as
> a data store in the `same-ish' application domain as an RDBMS.

FWIW, this works great. I can now request a counter for a string key
from my storage and be confident that there will be no duplicates.

I am very glad there is an easy way to do this :-)

-- 
Roché Compaan
Upfront Systems                 http://www.upfrontsystems.co.za