[Zope-dev] Making a ZSQL.DA fully multi-threaded?

[Roché Compaan]

* Brad Clements <bkc at murkworks.com> [2004-07-09 22:36]:
> On 9 Jul 2004 at 21:17, Dieter Maurer wrote:
> 
> > Check whether the connection is maintained in a "_v_" attribute
> > (in this case, it is per thread).
> > Otherwise, the connection would need to be maintained in a module
> > global registry indexed with a DA id (e.g. its ZODB path).
> 
> This is the deep magic of which my previous note speaks.
> 
> Where are these details documented (in general terms, not just about
> DA's), so that I can figure this out without bugging the list too
> much?

I don't think there are any comprehensive documentation about writing
DA's but '_v_' attributes are *volatile* attributes and they are not
persisted, see http://zope.org/Wikis/ZODB/VolatileAttributes. 

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