#20795: Weird queryset behaviour and count() method
-------------------------------------+-------------------------------------
     Reporter:  maa@…                |                    Owner:  nobody
         Type:  Bug                  |                   Status:  new
    Component:  Database layer       |                  Version:  1.5
  (models, ORM)                      |               Resolution:
     Severity:  Release blocker      |             Triage Stage:
     Keywords:  count queryset       |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by maa@…):

 I dont have a unicode method.
 len(EmailChangeLog.objects.all()) fails with AttributeError: 'int' object
 has no attribute 'username'
 traceback :
 {{{
 /home/maa/.virtualenvs/django_myproject/local/lib/python2.7/site-
 packages/django/db/models/query.pyc in __len__(self)
      88                 self._result_cache = list(self._iter)
      89             else:
 ---> 90                 self._result_cache = list(self.iterator())
      91         elif self._iter:
      92             self._result_cache.extend(self._iter)

 /home/maa/.virtualenvs/django_myproject/local/lib/python2.7/site-
 packages/django/db/models/query.pyc in iterator(self)
     309                     obj = model_cls(**dict(zip(init_list,
 row_data)))
     310                 else:
 --> 311                     obj = model(*row_data)
     312
     313                 # Store the source database of the object

 /home/maa/PycharmProjects/django_myproject/my_home/models.pyc in
 __init__(self, user, *args, **kwargs)
      41         super(EmailChangeLog, self).__init__(self, *args,
 **kwargs)
      42         salt = hashlib.sha1(str(random.random())).hexdigest()[:5]
 ---> 43         username = user.username
      44         if isinstance(username, unicode):
      45             username = username.encode('utf-8')

 AttributeError: 'int' object has no attribute 'username'

 }}}
 My manager has only one method and did n"t use it.
 I have only one model and I already gave my 'models.py' code here is a
 pastebin : http://pastebin.com/0qSkeveT
 Their is no view code involved, the same weird behaviour happens with the
 'manage.py shell_plus' command.
 Also I am using postgresql 8.4.17 on ubuntu 12.04 LTS, thanks for your
 support.

-- 
Ticket URL: <https://code.djangoproject.com/ticket/20795#comment:2>
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