define_destroy_dependency_method

# File activerecord/lib/active_record/associations/builder/has_many.rb, line 29
      def define_destroy_dependency_method
        name = self.name
        mixin.redefine_method(dependency_method_name) do
          send(name).each do |o|
            # No point in executing the counter update since we're going to destroy the parent anyway
            counter_method = ('belongs_to_counter_cache_before_destroy_for_' + self.class.name.downcase).to_sym
            if o.respond_to?(counter_method)
              class << o
                self
              end.send(:define_method, counter_method, Proc.new {})
            end
          end

          send(name).delete_all
        end
      end