fixes #2133

app/models/post_version.rb

@@ -2,6 +2,7 @@ class PostVersion < ActiveRecord::Base
   belongs_to :post
   belongs_to :updater, :class_name => "User"
   before_validation :initialize_updater
+  attr_accessible :post_id, :is_status_locked, :is_rating_locked, :is_note_locked, :source, :rating, :tag_string, :old_tag_string, :old_parent_id, :old_source, :old_rating, :last_noted_at, :parent_id, :tags
 
   module SearchMethods
     def for_user(user_id)
@@ -13,7 +14,7 @@ class PostVersion < ActiveRecord::Base
     end
 
     def search(params)
-      q = scoped
+      q = where("true")
       params = {} if params.blank?
 
       if params[:updater_name].present?