From b75116d13c1c8f538a9af78f46eab021c878015b Mon Sep 17 00:00:00 2001
From: Kyle Drake <kyle@kyledrake.net>
Date: Fri, 28 Aug 2015 01:04:17 -0700
Subject: [PATCH] index score, filter site_changed for compute

---
 migrations/077_decimal_sauce_index.rb | 9 +++++++++
 models/site.rb                        | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 migrations/077_decimal_sauce_index.rb

diff --git a/migrations/077_decimal_sauce_index.rb b/migrations/077_decimal_sauce_index.rb
new file mode 100644
index 00000000..fa242b45
--- /dev/null
+++ b/migrations/077_decimal_sauce_index.rb
@@ -0,0 +1,9 @@
+Sequel.migration do
+  up {
+    DB.add_index :sites, :score
+  }
+
+  down {
+    DB.drop_index :sites, :score
+  }
+end
diff --git a/models/site.rb b/models/site.rb
index 65144fab..28651eb6 100644
--- a/models/site.rb
+++ b/models/site.rb
@@ -1077,7 +1077,7 @@ class Site < Sequel::Model
   end
 
   def self.compute_scores
-    select(:id, :username, :created_at, :updated_at, :views, :featured_at, :changed_count).exclude(is_banned: true).exclude(is_crashing: true).exclude(is_nsfw: true).exclude(updated_at: nil).all.each do |s|
+    select(:id, :username, :created_at, :updated_at, :views, :featured_at, :changed_count).exclude(is_banned: true).exclude(is_crashing: true).exclude(is_nsfw: true).exclude(updated_at: nil).where(site_changed: true).all.each do |s|
       s.score = s.compute_score
       s.save_changes validate: false
     end