# File lib/rds/right_rds_interface.rb, line 504
    def reset_db_parameter_group(db_parameter_group_name, *params)
      params = params.flatten
      request_hash = { 'DBParameterGroupName' => db_parameter_group_name }
      if params.first.to_s == 'all'
        request_hash['ResetAllParameters'] = true
      else
        tmp = []
        params.each{ |item| tmp |= item.to_a }
        params = []
        tmp.each do |key, method|
          method = 'pending-reboot' unless method
          params << [key, method]
        end
        request_hash.merge!( amazonize_list(['Parameters.member.?.ParameterName',
                                             'Parameters.member.?.ApplyMethod'],
                                             params ))
      end
      link = generate_request('ResetDBParameterGroup', request_hash)
      request_info(link, RightHttp2xxParser.new(:logger => @logger))
    end