Fix for #41

cqlengine/models.py

@@ -26,6 +26,10 @@ class hybrid_classmethod(object):
         else:
             return self.instmethod.__get__(instance, owner)
 
+class QuerySetDescriptor(object):
+    def __get__(self, obj, model):
+        return QuerySet(model)
+
 class BaseModel(object):
     """
     The base model class, don't inherit from this, inherit from Model, defined below
@@ -34,6 +38,8 @@ class BaseModel(object):
     class DoesNotExist(QueryException): pass
     class MultipleObjectsReturned(QueryException): pass
 
+    objects = QuerySetDescriptor()
+
     #table names will be generated automatically from it's model and package name
     #however, you can also define them manually here
     table_name = None
@@ -266,7 +272,6 @@ class ModelMetaClass(type):
 
         #create the class and add a QuerySet to it
         klass = super(ModelMetaClass, cls).__new__(cls, name, bases, attrs)
-        klass.objects = QuerySet(klass)
         return klass
 
 

cqlengine/tests/query/test_queryset.py

@@ -479,3 +479,11 @@ class TestValuesList(BaseQuerySetUsage):
         item = q.values_list('expected_result', flat=True).first()
         assert item == 10
 
+class TestObjectsProperty(BaseQuerySetUsage):
+
+    def test_objects_property_returns_fresh_queryset(self):
+        assert TestModel.objects._result_cache is None
+        len(TestModel.objects) # evaluate queryset
+        assert TestModel.objects._result_cache is None
+
+