replacing __dict__ with an OrderedDict

[Roy Smith]

In article <mailman.4588.1326198152.27778.python-list at python.org>,
 Lie Ryan <lie.1296 at gmail.com> wrote:

> On 01/10/2012 12:05 PM, Roy Smith wrote:
> > Somewhat more seriously, let's say you wanted to do test queries against
> > a database with 100 million records in it.  You could rebuild the
> > database from scratch for each test, but doing so might take hours per
> > test.  Sometimes, real life is just*so*  inconvenient.
> 
> All serious database has rollback feature when they're available to 
> quickly revert database state in the setUp/cleanUp phase.

I guess MongoDB is not a serious database?