refactored favorites

script/fixes/013.rb

@@ -0,0 +1,9 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'config', 'environment'))
+
+ActiveRecord::Base.connection.execute("set statement_timeout = 0")
+
+Post.select("id, score, up_score, down_score, fav_count").find_each do |post|
+  post.update_column(:score, post.up_score - post.down_score + post.fav_count)
+end