vendor/rails/actionpack/lib/action_controller/caching/sql_cache.rb

   1 module ActionController #:nodoc:
   2   module Caching
   3     module SqlCache
   4       def self.included(base) #:nodoc:
   5         if defined?(ActiveRecord) && ActiveRecord::Base.respond_to?(:cache)
   6           base.alias_method_chain :perform_action, :caching
   7         end
   8       end
   9
  10       protected
  11         def perform_action_with_caching
  12           ActiveRecord::Base.cache do
  13             perform_action_without_caching
  14           end
  15         end
  16     end
  17   end
  18 end