GraphQL+-: Tips and Tricks - Dgraph documentation

{
  spielbergMovies as var(func: allofterms([email protected], "steven spielberg")) {
    [email protected]
    director.film (orderasc: [email protected], first: 1) {
      starring {
        performance.actor {
          ActorName as [email protected]
        }
        # Stars is a uid-to-value map mapping
        # starring edges to performance.actor names
        Stars as min(val(ActorName))
      }
    }
  }
  movies(func: uid(spielbergMovies)) @cascade {
    [email protected]
    director.film (orderasc: [email protected], first: 1) {
      [email protected]
      starring (orderasc: val(Stars)) {
        performance.actor {
          [email protected]
        }
      }
    }
  }
}

{ spielbergMovies as var(func: allofterms(name@en, "steven spielberg")) { name@en director.film (orderasc: name@en, first: 1) { starring { performance.actor { ActorName as name@en } # Stars is a uid-to-value map mapping # starring edges to performance.actor names Stars as min(val(ActorName)) } } } movies(func: uid(spielbergMovies)) @cascade { name@en director.film (orderasc: name@en, first: 1) { name@en starring (orderasc: val(Stars)) { performance.actor { name@en } } } } }

curl -H "Content-Type: application/graphql+-" localhost:8080/query -XPOST -d '  blahblah' | python -m json.tool | less
        
package main
import (
	"context"
	"flag"
	"fmt"
	"log"
    
	"github.com/dgraph-io/dgo/v2"
	"github.com/dgraph-io/dgo/v2/protos/api"
    
	"google.golang.org/grpc"
)
var (
	dgraph = flag.String("d", "127.0.0.1:9080", "Dgraph Alpha address")
)
func main() {
	flag.Parse()
	conn, err := grpc.Dial(*dgraph, grpc.WithInsecure())
	if err != nil {
		log.Fatal(err)
	}
	defer conn.Close()
	dg := dgo.NewDgraphClient(api.NewDgraphClient(conn))
    
	resp, err := dg.NewTxn().Query(context.Background(), `blahblah`)
	
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("Response: %s\n", resp.Json)
}
import io.dgraph.DgraphClient;
import io.dgraph.DgraphGrpc;
import io.dgraph.DgraphGrpc.DgraphStub;
import io.dgraph.DgraphProto.Response;
import io.grpc.ManagedChannel;
import io.grpc.ManagedChannelBuilder;
import java.util.Map;
public class App {
    public static void main(final String[] args) {
        ManagedChannel channel =
            ManagedChannelBuilder.forAddress("localhost", 9080).usePlaintext(true).build();
        DgraphStub stub = DgraphGrpc.newStub(channel);
        DgraphClient dgraphClient = new DgraphClient(stub);
        String query = "blahblah";
    
        Response res = dgraphClient.newTransaction().query(query);
    
        System.out.printf("Response: %s", res.getJson().toStringUtf8());
    }
}
import pydgraph
import json
def main():
    client_stub = pydgraph.DgraphClientStub("localhost:9080")
    client = pydgraph.DgraphClient(client_stub)
    query = """blahblah"""
    res = client.txn(read_only=True).query(query)
    print('Response: {}'.format(json.loads(res.json)))
    client_stub.close()
if __name__ == '__main__':
    try:
        main()
    except Exception as e:
        print('Error: {}'.format(e))
const dgraph = require("dgraph-js");
const grpc = require("grpc");
async function main() {
  const clientStub = new dgraph.DgraphClientStub("localhost:9080", grpc.credentials.createInsecure());
  const dgraphClient = new dgraph.DgraphClient(clientStub);
  const query = `blahblah`;
  const response = await dgraphClient.newTxn().query(query);
  console.log("Response: ", JSON.stringify(response.getJson()));
  clientStub.close();
}
main().then().catch((e) => {
  console.log("ERROR: ", e);
});
const dgraph = require("dgraph-js-http");
async function main() {
  const clientStub = new dgraph.DgraphClientStub("http://localhost:8080");
  const dgraphClient = new dgraph.DgraphClient(clientStub);
  const query = `blahblah`;
  const response = await dgraphClient.newTxn().query(query);
  console.log("Response: ", JSON.stringify(response.data));
}
main().then().catch((e) => {
  console.log("ERROR: ", e);
});

This is a companion discussion topic for the original entry at https://dgraph.io/docs/tips/