From 72ff18d41cfb004ae180bdf87fd8bad93041c691 Mon Sep 17 00:00:00 2001 From: Jacob Walls Date: Wed, 22 Jan 2025 22:21:09 -0500 Subject: Fixed #36120 -- Raised FieldError when targeting a composite primary key field with QuerySet.update(). --- django/db/models/sql/subqueries.py | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'django/db/models/sql') diff --git a/django/db/models/sql/subqueries.py b/django/db/models/sql/subqueries.py index b2810c8413..9cb971b38f 100644 --- a/django/db/models/sql/subqueries.py +++ b/django/db/models/sql/subqueries.py @@ -90,6 +90,10 @@ class UpdateQuery(Query): not (field.auto_created and not field.concrete) or not field.concrete ) model = field.model._meta.concrete_model + if field.name == "pk" and model._meta.is_composite_pk: + raise FieldError( + "Composite primary key fields must be updated individually." + ) if not direct or (field.is_relation and field.many_to_many): raise FieldError( "Cannot update model field %r (only non-relations and " -- cgit v1.3