TE-2629 Use better field type for applicationaccess.application

openedx/core/djangoapps/oauth_dispatch/migrations/0005_applicationaccess_type.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.13 on 2018-06-29 18:18
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('oauth_dispatch', '0004_auto_20180626_1349'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='applicationaccess',
+            name='application',
+            field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='access', to=settings.OAUTH2_PROVIDER_APPLICATION_MODEL),
+        ),
+    ]

openedx/core/djangoapps/oauth_dispatch/models.py

@@ -58,7 +58,7 @@ class ApplicationAccess(models.Model):
     Specifies access control information for the associated Application.
     """
 
-    application = models.ForeignKey(oauth2_settings.APPLICATION_MODEL, unique=True, related_name='access')
+    application = models.OneToOneField(oauth2_settings.APPLICATION_MODEL, related_name='access')
     scopes = ListCharField(
         base_field=models.CharField(max_length=32),
         size=25,