add some Catalog field indexes

procat2/migrations/0004_auto_20190424_0000.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.2 on 2019-04-24 00:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('procat2', '0003_auto_20190423_2203'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='catalog',
+            name='public',
+            field=models.BooleanField(db_index=True, default=False),
+        ),
+        migrations.AlterField(
+            model_name='catalog',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, db_index=True),
+        ),
+    ]

procat2/models.py

@@ -21,9 +21,9 @@ class Catalog(models.Model):
     season = models.ForeignKey(Season, on_delete=models.PROTECT)
     region = models.ForeignKey(Region, on_delete=models.PROTECT)
     created = models.DateTimeField(auto_now_add=True)
-    updated = models.DateTimeField(auto_now=True)
+    updated = models.DateTimeField(auto_now=True, db_index=True)
     name = models.CharField(max_length=300)
-    public = models.BooleanField(default=False)
+    public = models.BooleanField(default=False, db_index=True)
     pages = models.PositiveIntegerField(default=0)
     sections = models.PositiveIntegerField(default=0)
     materials = models.PositiveIntegerField(default=0)