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Diffstat (limited to 'django/core/serializers/python.py')
| -rw-r--r-- | django/core/serializers/python.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/django/core/serializers/python.py b/django/core/serializers/python.py index 36048601af..0dc504aa34 100644 --- a/django/core/serializers/python.py +++ b/django/core/serializers/python.py @@ -79,7 +79,9 @@ class Serializer(base.Serializer): return self._value_from_field(value, value._meta.pk) def queryset_iterator(obj, field): - return getattr(obj, field.name).only("pk").iterator() + return ( + getattr(obj, field.name).select_related().only("pk").iterator() + ) m2m_iter = getattr(obj, "_prefetched_objects_cache", {}).get( field.name, |