[Bugfix]: Maintain key order within _make_result iter

Author: Jibola

django_mongodb_backend/queryset.py

@@ -93,4 +93,4 @@ def _make_result(self, query):
         of __iter__().
         """
         for result in query:
-            yield tuple(result.values())
+            yield tuple(result.get(key, None) for key in self.queryset.columns)

tests/raw_query_/test_raw_aggregate.py

@@ -4,6 +4,7 @@
 
 from datetime import date
 
+from django.db import connection
 from django.core.exceptions import FieldDoesNotExist
 from django.test import TestCase
 
@@ -170,6 +171,30 @@ def test_order_handler(self):
             authors = Author.objects.all()
             self.assertSuccessfulRawQuery(Author, query, authors)
 
+    def test_different_ordered_in_database(self):
+        """Documents in MongoDB are not required to maintain key order as
+        a means to improve write efficiency. Documents can be returned
+        to Django out of order. This can lead to incorrect information being placed
+        in a RawQueryset object.
+        """
+        database = connection["<TEST_DATABASE>"].database
+        raw_insert = Author(first_name="Out of", last_name="Order", dob=date(1950, 9, 20))
+        try:
+            # Insert a document into the database in reverse
+            database[Author._meta.db_table].insert_one(
+                {
+                    field.name: getattr(field.name, raw_insert)
+                    for field in reversed(Author._meta.get_fields())
+                }
+            )
+            query = []
+            authors = Author.objects.all()
+            self.assertSuccessfulRawQuery(Author, query, authors)
+        finally:
+            database[Author._meta.db_table].delete_one(
+                {"first_name": raw_insert.first_name, "last_name": raw_insert.last_name}
+            )
+
     def test_query_representation(self):
         """Test representation of raw query."""
         query = [{"$match": {"last_name": "foo"}}]