Made the short key the primary_key

go/go/migrations/0003_auto__del_field_url_id__chg_field_url_short__add_unique_url_short.py

+# -*- coding: utf-8 -*-
+from south.utils import datetime_utils as datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Deleting field 'URL.id'
+        db.delete_column(u'go_url', u'id')
+
+
+        # Changing field 'URL.short'
+        db.alter_column(u'go_url', 'short', self.gf('django.db.models.fields.CharField')(max_length=50, primary_key=True))
+        # Adding unique constraint on 'URL', fields ['short']
+        db.create_unique(u'go_url', ['short'])
+
+
+    def backwards(self, orm):
+        # Removing unique constraint on 'URL', fields ['short']
+        db.delete_unique(u'go_url', ['short'])
+
+        # Adding field 'URL.id'
+        db.add_column(u'go_url', u'id',
+                      self.gf('django.db.models.fields.AutoField')(default='UNUSED', primary_key=True),
+                      keep_default=False)
+
+
+        # Changing field 'URL.short'
+        db.alter_column(u'go_url', 'short', self.gf('django.db.models.fields.CharField')(max_length=50))
+
+    models = {
+        u'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            u'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': u"orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
+        },
+        u'auth.permission': {
+            'Meta': {'ordering': "(u'content_type__app_label', u'content_type__model', u'codename')", 'unique_together': "((u'content_type', u'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['contenttypes.ContentType']"}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        u'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', [], {'symmetrical': 'False', 'related_name': "u'user_set'", 'blank': 'True', 'to': u"orm['auth.Group']"}),
+            u'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', [], {'symmetrical': 'False', 'related_name': "u'user_set'", 'blank': 'True', 'to': u"orm['auth.Permission']"}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        u'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'}),
+            u'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'})
+        },
+        u'go.url': {
+            'Meta': {'object_name': 'URL'},
+            'clicks': ('django.db.models.fields.IntegerField', [], {'default': '0'}),
+            'date_created': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime(2013, 12, 15, 0, 0)'}),
+            'expires': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),
+            'owner': ('django.db.models.fields.related.OneToOneField', [], {'to': u"orm['auth.User']", 'unique': 'True'}),
+            'short': ('django.db.models.fields.CharField', [], {'max_length': '50', 'primary_key': 'True'}),
+            'target': ('django.db.models.fields.CharField', [], {'max_length': '1000'})
+        }
+    }
+
+    complete_apps = ['go']
\ No newline at end of file

go/go/models.py

@@ -8,6 +8,6 @@ class URL( models.Model ):
     date_created = models.DateTimeField( default=timezone.now() )
 
     target = models.CharField( max_length = 1000 )
-    short = models.CharField( max_length = 50 )
+    short = models.CharField( primary_key = True, max_length = 50 )
     clicks = models.IntegerField( default = 0 )
     expires = models.DateTimeField( blank = True, null = True )