Fixed #21127 -- Started deprecation toward requiring on_delete for ForeignKey/OneToOneField

2 files changed, 12 insertions, 4 deletions

diff --git a/tests/postgres_tests/migrations/0002_create_test_models.py b/tests/postgres_tests/migrations/0002_create_test_models.py
index c8fe842397..4be219f722 100644
--- a/tests/postgres_tests/migrations/0002_create_test_models.py
+++ b/tests/postgres_tests/migrations/0002_create_test_models.py
@@ -127,7 +127,11 @@ class Migration(migrations.Migration):
                 ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
                 ('int1', models.IntegerField()),
                 ('int2', models.IntegerField()),
-                ('related_field', models.ForeignKey('postgres_tests.AggregateTestModel', null=True)),
+                ('related_field', models.ForeignKey(
+                    'postgres_tests.AggregateTestModel',
+                    models.SET_NULL,
+                    null=True,
+                )),
             ]
         ),
         migrations.CreateModel(
@@ -158,7 +162,11 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='RangeLookupsModel',
             fields=[
-                ('parent', models.ForeignKey('postgres_tests.RangesModel', blank=True, null=True)),
+                ('parent', models.ForeignKey(
+                    'postgres_tests.RangesModel',
+                    models.SET_NULL,
+                    blank=True, null=True,
+                )),
                 ('integer', models.IntegerField(blank=True, null=True)),
                 ('big_integer', models.BigIntegerField(blank=True, null=True)),
                 ('float', models.FloatField(blank=True, null=True)),
diff --git a/tests/postgres_tests/models.py b/tests/postgres_tests/models.py
index 4233092c79..22d43b2438 100644
--- a/tests/postgres_tests/models.py
+++ b/tests/postgres_tests/models.py
@@ -62,7 +62,7 @@ if connection.vendor == 'postgresql' and connection.pg_version >= 90200:
         dates = DateRangeField(blank=True, null=True)
 
     class RangeLookupsModel(PostgreSQLModel):
-        parent = models.ForeignKey(RangesModel, blank=True, null=True)
+        parent = models.ForeignKey(RangesModel, models.SET_NULL, blank=True, null=True)
         integer = models.IntegerField(blank=True, null=True)
         big_integer = models.BigIntegerField(blank=True, null=True)
         float = models.FloatField(blank=True, null=True)
@@ -108,7 +108,7 @@ class StatTestModel(models.Model):
     """
     int1 = models.IntegerField()
     int2 = models.IntegerField()
-    related_field = models.ForeignKey(AggregateTestModel, null=True)
+    related_field = models.ForeignKey(AggregateTestModel, models.SET_NULL, null=True)
 
 
 class NowTestModel(models.Model):