[Z3-sqlos] RFC: Transaction simplification branch

[Brian Sutherland]

On Fri, Dec 09, 2005 at 12:50:45PM +0700, Stuart Bishop wrote:
> 
> >>|  * Why do we expire objects in a successful transaction? I can't think
> >>|    of a reason why we need to.
> 
> You need to expire objects after a successful transaction so you can see
> database changes made by other processes or threads. This is particularly
> important for Zope where you have a number of handler threads and possibly
> multiple application servers in a ZEO environment.

Great, I reverted my patch and added a big warning because I don't want
to imagine writing a test for that.

But there is another issue with what you bring up, so far we only expire
objects that have been changed during the transaction. By what you say,
we should be expiring _every_ object on our thread.

-- 
Brian Sutherland

Metropolis - "it's the first movie with a robot. And she's a woman.
              And she's EVIL!!"