Merge pull request #41 from caktus/31-flexible-object-id

Change object_id to a CharField to allow linking to UUID PKs

treenav/migrations/0002_auto_20151001_1646.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('treenav', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='menuitem',
+            name='object_id',
+            field=models.CharField(default=b'', max_length=36, db_index=True, blank=True),
+        ),
+    ]

treenav/models.py

@@ -116,9 +116,12 @@ class MenuItem(MPTTModel):
         null=True,
         blank=True,
     )
-    object_id = models.PositiveIntegerField(
-        null=True,
+    object_id = models.CharField(
+        # use a CharField to be able to point to tables with UUID pks
+        max_length=36,
         blank=True,
+        db_index=True,
+        default=''
     )
     content_object = fields.GenericForeignKey('content_type', 'object_id')
     href = models.CharField(_('href'), editable=False, max_length=255)