Performance improvements

qa/migrations/0005_auto_20160519_1057.py

@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('qa', '0004_answer_updated'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='answer',
+            name='negative_votes',
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='answer',
+            name='positive_votes',
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='question',
+            name='negative_votes',
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='question',
+            name='positive_votes',
+            field=models.IntegerField(default=0),
+        ),
+    ]

qa/views.py

@@ -319,7 +319,7 @@ def get_context_data(self, **kwargs):
         context = super(QuestionDetailView, self).get_context_data(**kwargs)
         context['last_comments'] = self.object.questioncomment_set.order_by(
             'pub_date')[:5]
-        context['answers'] = answers
+        context['answers'] = answers.select_related('user')
         return context
 
     def get(self, request, **kwargs):