[mdaniel]

https://news.ycombinator.com/formatdoc may interest you

    const SAMPLE_JOIN_QUERY = gql`
    query ($main_data_id: String!) {
      mainData( main_data_id: $main_data_id) { 
        id main_data_field_1 main_data_field_2 main_data_field_3 
        related_data {
          related_data_field_1 related_data_field_2 related_data_field_3
        }
      } 
    }`;

[NonNefarious]

Thanks!