#172 Touch and Cache

Jul 27, 2009 | 6 minutes | Performance, Caching, Rails 2.3

Rails 2.3.3 brings us a new feature called "touch". See how to use this to auto-expire associated caches in this episode.

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Note: Sorry about the audio problems in the first half of this episode. Not sure what happened there.

Resources

          config/environment.rb
        
RAILS_GEM_VERSION = '2.3.3' unless defined? RAILS_GEM_VERSION

          config/environments/development.rb
        
config.action_controller.perform_caching = true

          comment.rb
        
belongs_to :article, :touch => true

          articles/show.html.erb
        
<% cache @article do %>
  ...
<% end %>