sql_growler.rb

module SQLGrowler
  class Subscriber < ActiveRecord::LogSubscriber

    def sql(event)
      super
      g = Growl.new("localhost", "ruby-growl", ["ruby-growl Notification"], ["ruby-growl Notification"], nil)
      g.notify('ruby-growl Notification',application_name,'%s (%.1fms) %s' % [event.payload[:name], event.duration, event.payload[:sql].squeeze(' ')],1,true)
    end
    
    def application_name
      @application_name ||= Rails.application.class.parent_name
    end
    
  end

end

SQLGrowler::Subscriber.attach_to :active_record