{
var(func:allofterms([email protected], "angelina jolie")) {
actor.film {
A AS performance.film { # All films acted in by Angelina Jolie
B As genre # Genres of all the films acted in by Angelina Jolie
}
}
}
var(func:allofterms([email protected], "brad pitt")) {
actor.film {
C AS performance.film { # All films acted in by Brad Pitt
D as genre # Genres of all the films acted in by Brad Pitt
}
}
}
films(func: uid(D)) @filter(uid(B)) { # Genres from both Angelina and Brad
[email protected]
~genre @filter(uid(A, C)) { # Movies in either A or C.
[email protected]
}
}
}
{ var(func:allofterms(name@en, "angelina jolie")) { actor.film { A AS performance.film { # All films acted in by Angelina Jolie B As genre # Genres of all the films acted in by Angelina Jolie } } } var(func:allofterms(name@en, "brad pitt")) { actor.film { C AS performance.film { # All films acted in by Brad Pitt D as genre # Genres of all the films acted in by Brad Pitt } } } films(func: uid(D)) @filter(uid(B)) { # Genres from both Angelina and Brad name@en ~genre @filter(uid(A, C)) { # Movies in either A or C. 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/query-language/query-variables/