solution for #949

mongoengine/queryset/transform.py

@@ -44,6 +44,9 @@ def query(_doc_cls=None, _field_operation=False, **query):
         if len(parts) > 1 and parts[-1] in MATCH_OPERATORS:
             op = parts.pop()
 
+        if len(parts) > 1 and not parts[-1]:
+            parts.pop()
+
         negate = False
         if len(parts) > 1 and parts[-1] == 'not':
             parts.pop()

tests/queryset/queryset.py

@@ -4592,6 +4592,19 @@ class QuerySetTest(unittest.TestCase):
         self.assertEquals(Animal.objects(folded_ears=True).count(), 1)
         self.assertEquals(Animal.objects(whiskers_length=5.1).count(), 1)
 
+    def test_last_field_name_like_operator(self):
+        class EmbeddedItem(EmbeddedDocument):
+            type = StringField()
+
+        class Doc(Document):
+            item = EmbeddedDocumentField(EmbeddedItem)
+
+        Doc.drop_collection()
+
+        doc = Doc(item=EmbeddedItem(type="axe"))
+        doc.save()
+
+        self.assertEqual(1, Doc.objects(item__type__="axe").count())
 
 if __name__ == '__main__':
     unittest.main()