an attempt at getting this working on rails 4 ... not fruitful

lib/search.rb

@@ -118,6 +118,9 @@ class Search
                            .order("topics_month DESC")
                            .secured(@guardian)
                            .limit(@limit)
+      if rails4?
+        categories = categories.references(:category_search_data)
+      end
 
       categories.each do |c|
         @results.add_result(SearchResult.from_category(c))
@@ -130,6 +133,9 @@ class Search
                   .order("CASE WHEN username_lower = '#{@original_term.downcase}' THEN 0 ELSE 1 END")
                   .order("last_posted_at DESC")
                   .limit(@limit)
+      if rails4?
+        users = users.references(:user_search_data)
+      end
 
       users.each do |u|
         @results.add_result(SearchResult.from_user(u))
@@ -143,6 +149,10 @@ class Search
                   .where("topics.visible")
                   .where("topics.archetype <> ?", Archetype.private_message)
 
+      if rails4?
+        posts = posts.references(:post_search_data, {:topic => :category})
+      end
+
       # If we have a search context, prioritize those posts first
       if @search_context.present?
 

spec/components/search_spec.rb

@@ -1,7 +1,7 @@
 # encoding: utf-8
 
 require 'spec_helper'
-require 'search'
+require_dependency 'search'
 
 describe Search do