    def query_group_groups(group_id,fields=nil)
      req = { }
      req[:fields] = fields if fields

      data = Array.new
      begin
        data = @sdk.all_group_groups(group_id,req)
      rescue LookerSDK::NotFound => e
        return []
      rescue LookerSDK::ClientError => e
        say_error "Unable to get all_group_groups(#{group_id},#{JSON.pretty_generate(req)})"
        say_error e.message
        raise
      end
      data
    end