Merge pull request #7 from erayerdin/fix/variable-pk

Standard Primary Key in `Variable` model

persistent_settings/migrations/0001_initial.py

-# Generated by Django 2.2.8 on 2019-12-06 14:39
+# Generated by Django 2.2.8 on 2019-12-08 20:39
 
 from django.db import migrations, models
 
@@ -14,10 +14,16 @@ class Migration(migrations.Migration):
             name="Variable",
             fields=[
                 (
-                    "name",
-                    models.SlugField(max_length=64, primary_key=True, serialize=False),
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
                 ),
-                ("value", models.BinaryField()),
+                ("name", models.SlugField(max_length=64, unique=True)),
+                ("value_binary", models.BinaryField()),
             ],
             options={"ordering": ("name",),},
         ),

persistent_settings/migrations/0002_auto_20191206_1520.py

-# Generated by Django 2.2.8 on 2019-12-06 15:20
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ("persistent_settings", "0001_initial"),
-    ]
-
-    operations = [
-        migrations.RenameField(
-            model_name="variable", old_name="value", new_name="value_binary",
-        ),
-    ]

persistent_settings/models.py

@@ -56,7 +56,7 @@ class Variable(models.Model):
     A single setting.
     """
 
-    name = models.SlugField(primary_key=True, max_length=64)
+    name = models.SlugField(unique=True, max_length=64)
     value_binary = models.BinaryField()
 
     objects = _VariableManager()