Renamed Subscription model id field to subscription_id

Need for the upgrade to Django v1.8
https://docs.djangoproject.com/en/1.8/topics/db/models/#multiple-inheritance

TNL-2830

django_notify/migrations/0002_rename_id_to_subscription_id.py

+# -*- coding: utf-8 -*-
+import datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        db.rename_column('notify_subscription', 'id', 'subscription_id')
+
+    def backwards(self, orm):
+        db.rename_column('notify_subscription', 'subscription_id', 'id')
+
+    models = {
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'django_notify.notification': {
+            'Meta': {'object_name': 'Notification', 'db_table': "'notify_notification'"},
+            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_emailed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_viewed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'message': ('django.db.models.fields.TextField', [], {}),
+            'subscription': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['django_notify.Subscription']", 'null': 'True', 'on_delete': 'models.SET_NULL', 'blank': 'True'}),
+            'url': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'})
+        },
+        'django_notify.notificationtype': {
+            'Meta': {'object_name': 'NotificationType', 'db_table': "'notify_notificationtype'"},
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']", 'null': 'True', 'blank': 'True'}),
+            'key': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '128', 'primary_key': 'True'}),
+            'label': ('django.db.models.fields.CharField', [], {'max_length': '128', 'null': 'True', 'blank': 'True'})
+        },
+        'django_notify.settings': {
+            'Meta': {'object_name': 'Settings', 'db_table': "'notify_settings'"},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'interval': ('django.db.models.fields.SmallIntegerField', [], {'default': '0'}),
+            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"})
+        },
+        'django_notify.subscription': {
+            'Meta': {'object_name': 'Subscription', 'db_table': "'notify_subscription'"},
+            'notification_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['django_notify.NotificationType']"}),
+            'object_id': ('django.db.models.fields.CharField', [], {'max_length': '64', 'null': 'True', 'blank': 'True'}),
+            'send_emails': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'settings': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['django_notify.Settings']"}),
+            'subscription_id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+        }
+    }
+
+    complete_apps = ['django_notify']
\ No newline at end of file

django_notify/models.py

@@ -42,6 +42,7 @@ class Settings(models.Model):
 
 class Subscription(models.Model):
     
+    subscription_id = models.AutoField(primary_key=True)
     settings = models.ForeignKey(Settings)
     notification_type = models.ForeignKey(NotificationType)
     object_id = models.CharField(max_length=64, null=True, blank=True,