Remove no longer needed index on Labelling.label

casepro/msgs/migrations/0063_auto_20180130_1454.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.7 on 2018-01-30 14:54
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('msgs', '0062_auto_20180126_2250'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='labelling',
+            name='label',
+            field=models.ForeignKey(db_index=False, on_delete=django.db.models.deletion.CASCADE, to='msgs.Label'),
+        ),
+    ]

casepro/msgs/models.py

@@ -289,7 +289,7 @@ class Labelling(models.Model):
     """
     message = models.ForeignKey('msgs.Message', on_delete=models.CASCADE)
 
-    label = models.ForeignKey(Label, on_delete=models.CASCADE)
+    label = models.ForeignKey(Label, db_index=False, on_delete=models.CASCADE)
 
     message_created_on = models.DateTimeField()