Fixed #12769, #12924 -- Corrected the pickling of curried and lazy objects, which was preventing queries with translated or related fields from being pickled. And lo, Alex Gaynor didst slayeth the dragon.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@12866 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/queryset_pickle/tests.py

@@ -0,0 +1,14 @@
+import pickle
+
+from django.test import TestCase
+
+from models import Group, Event
+
+
+class PickleabilityTestCase(TestCase):
+    def assert_pickles(self, qs):
+        self.assertEqual(list(pickle.loads(pickle.dumps(qs))), list(qs))
+
+    def test_related_field(self):
+        g = Group.objects.create(name="Ponies Who Own Maybachs")
+        self.assert_pickles(Event.objects.filter(group=g.id))