pokeapi/hasura/examples/alola_road_encounters.gql

"""
Variables:
{
    "region": "alola"
}
"""

query location_evolutions_in_alola($region: String) {
  region: pokemon_v2_region(where: {name: {_eq: $region}}) {
    name
    location: pokemon_v2_locations_aggregate(where: {pokemon_v2_pokemonevolutions: {id: {_is_null: false}}}) {
      nodes {
        name
        evolutions: pokemon_v2_pokemonevolutions_aggregate {
          nodes {
            species: pokemon_v2_pokemonspecy {
              name
            }
          }
        }
      }
    }
  }
}