Ticket #14357: unordering.patch

db/models/sql/compiler.py

@@ -90 +90 @@
                 if not self.connection.features.allows_group_by_pk:
                     for col, col_params in ordering_group_by:
                         if col not in grouping:
-                            grouping.append(str(col))
-                            gb_params.extend(col_params)
+                            for order in ordering:
+                                if col in order:
+                                    ordering.remove(order)
             else:
                 ordering = self.connection.ops.force_no_ordering()
             result.append('GROUP BY %s' % ', '.join(grouping))