Make a few database performance optimisations

entries/migrations/0004_auto_20171027_0846.py

@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2017-10-26 21:46
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('entries', '0003_remove_entry_summary'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='entry',
+            name='author',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='entries', to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AlterField(
+            model_name='entry',
+            name='kind',
+            field=models.CharField(choices=[('note', 'note'), ('article', 'article')], db_index=True, default='note', max_length=30),
+        ),
+    ]