Add index and query reduction in clubs

club/migrations/0008_auto_20170515_2214.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('club', '0007_auto_20170324_0917'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='club',
+            name='id',
+            field=models.AutoField(primary_key=True, serialize=False, db_index=True),
+        ),
+    ]