method_missing

# File activerecord/lib/active_record/migration.rb, line 649
    def method_missing(method, *arguments, &block)
      arg_list = arguments.map{ |a| a.inspect } * ', '

      say_with_time "#{method}(#{arg_list})" do
        unless @connection.respond_to? :revert
          unless arguments.empty? || [:execute, :enable_extension, :disable_extension].include?(method)
            arguments[0] = proper_table_name(arguments.first, table_name_options)
            if [:rename_table, :add_foreign_key].include?(method)
              arguments[1] = proper_table_name(arguments.second, table_name_options)
            end
          end
        end
        return super unless connection.respond_to?(method)
        connection.send(method, *arguments, &block)
      end
    end