Ticket #24744: 24744-test.diff

tests/postgres_tests/migrations/0002_create_test_models.py

@@ -49 +49 @@
             bases=(models.Model,),
         ),
         migrations.CreateModel(
+            name='FKToHStoreModel',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('fk', models.ForeignKey('postgres_tests.HStoreModel')),
+            ],
+            options={
+                'required_db_vendor': 'postgresql',
+            },
+            bases=(models.Model,),
+        ),
+        migrations.CreateModel(
             name='OtherTypesArrayModel',
             fields=[
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),

tests/postgres_tests/models.py

@@ -44 +44 @@
     field = HStoreField(blank=True, null=True)
 
 
+class FKToHStoreModel(models.Model):
+    fk = models.ForeignKey(HStoreModel)
+
+
 class CharFieldModel(models.Model):
     field = models.CharField(max_length=16)
 

tests/postgres_tests/test_hstore.py

@@ -114 +114 @@
             self.objs[:3]
         )
 
+    def test_fk_filter(self):
+        from .models import FKToHStoreModel
+        obj = FKToHStoreModel.objects.create(fk=self.objs[0])
+        subquery = HStoreModel.objects.filter(field__a='b')
+        # test passes with `list(subquery)` below.
+        self.assertSequenceEqual(
+            FKToHStoreModel.objects.filter(fk__in=subquery),
+            [obj]
+        )
+
 
 class TestSerialization(PostgresSQLTestCase):
     test_data = '[{"fields": {"field": "{\\"a\\": \\"b\\"}"}, "model": "postgres_tests.hstoremodel", "pk": null}]'