adding new database index to speed up feeds

db/migrate/20110329210210_add_channel_id_entry_id_index_to_feeds.rb

@@ -0,0 +1,9 @@
+class AddChannelIdEntryIdIndexToFeeds < ActiveRecord::Migration
+  def self.up
+		add_index :feeds, [:channel_id, :entry_id]
+  end
+
+  def self.down
+		remove_index :feeds, [:channel_id, :entry_id]
+  end
+end