diff --git a/docs/releases/1.8.2.txt b/docs/releases/1.8.2.txt index bf54aeefd4..457dac4034 100644 --- a/docs/releases/1.8.2.txt +++ b/docs/releases/1.8.2.txt @@ -20,3 +20,8 @@ Bugfixes * Fixed incorrect GROUP BY clause generation on MySQL when the query's model has a self-referential foreign key (:ticket:`24748`). + +* Implemented ``ForeignKey.get_db_prep_value()`` so that ``ForeignKey``\s + pointing to :class:`~django.db.models.UUIDField` and inheritance on models + with ``UUIDField`` primary keys work correctly (:ticket:`24698`, + :ticket:`24712`). diff --git a/tests/model_fields/models.py b/tests/model_fields/models.py index cca2b463a0..350e98a80b 100644 --- a/tests/model_fields/models.py +++ b/tests/model_fields/models.py @@ -373,3 +373,11 @@ class PrimaryKeyUUIDModel(models.Model): class RelatedToUUIDModel(models.Model): uuid_fk = models.ForeignKey('PrimaryKeyUUIDModel') + + +class UUIDChild(PrimaryKeyUUIDModel): + pass + + +class UUIDGrandchild(UUIDChild): + pass diff --git a/tests/model_fields/test_uuid.py b/tests/model_fields/test_uuid.py index 7ce98a0852..21c2869edf 100644 --- a/tests/model_fields/test_uuid.py +++ b/tests/model_fields/test_uuid.py @@ -6,7 +6,8 @@ from django.db import models from django.test import TestCase from .models import ( - NullableUUIDModel, PrimaryKeyUUIDModel, RelatedToUUIDModel, UUIDModel, + NullableUUIDModel, PrimaryKeyUUIDModel, RelatedToUUIDModel, UUIDGrandchild, + UUIDModel, ) @@ -146,3 +147,7 @@ class TestAsPrimaryKey(TestCase): RelatedToUUIDModel.objects.update(uuid_fk=u2.pk) r.refresh_from_db() self.assertEqual(r.uuid_fk, u2) + + def test_two_level_foreign_keys(self): + # exercises ForeignKey.get_db_prep_value() + UUIDGrandchild().save()