[Zope] Design around conflict errors

[Dieter Maurer]

Jeff Youel wrote at 2003-10-9 09:15 -0700:
 > ...
 > Is it reasonable to start a new thread with a new db connection 
 > and use it to commit the changes so the database write is out-of-band 
 > wrt the request's transaction?

"CatalogQueue" does something like this.

But beware, it is *very* difficult to get this right.

It is usually desastrous to pass persistent objects between threads.
Especially, you cannot update a persistent object in one thread
and then pass it on to another thread to commit the modification
there.


Dieter