feat(GraphQL): Add support for Geo point type in Graphql.

graphql/dgraph/graphquery.go

@@ -155,6 +155,9 @@ func writeFilterFunction(b *strings.Builder, f *gql.Function) {
 		x.Check2(b.WriteString(fmt.Sprintf("%s(%s)", f.Name, f.Args[0].Value)))
 	case len(f.Args) == 2:
 		x.Check2(b.WriteString(fmt.Sprintf("%s(%s, %s)", f.Name, f.Args[0].Value, f.Args[1].Value)))
+	case len(f.Args) == 3:
+		x.Check2(b.WriteString(fmt.Sprintf("%s(%s, %s, %s)", f.Name, f.Args[0].Value, f.Args[1].Value,
+			f.Args[2].Value)))
 	}
 }
 

graphql/e2e/common/common.go

@@ -377,6 +377,7 @@ func RunAll(t *testing.T) {
 	t.Run("update mutation without set & remove", updateMutationWithoutSetRemove)
 	t.Run("Input coercing for int64 type", int64BoundaryTesting)
 	t.Run("Check cascade with mutation without ID field", checkCascadeWithMutationWithoutIDField)
+	t.Run("Geo type", mutationGeoType)
 
 	// error tests
 	t.Run("graphql completion on", graphQLCompletionOn)

graphql/e2e/common/mutation.go

@@ -3746,3 +3746,46 @@ func nestedAddMutationWithHasInverse(t *testing.T) {
 	// cleanup
 	deleteGqlType(t, "Person1", map[string]interface{}{}, 3, nil)
 }
+
+func mutationGeoType(t *testing.T) {
+	addHotelParams := &GraphQLParams{
+		Query: `    
+		mutation addHotel($hotel: AddHotelInput!) {
+		  addHotel(input: [$hotel]) {
+			hotel {
+			  name
+			  location {
+				latitude
+				longitude
+			  }
+			}
+		  }
+		}`,
+		Variables: map[string]interface{}{"hotel": map[string]interface{}{
+			"name": "Taj Hotel",
+			"location": map[string]interface{}{
+				"latitude":  11.11,
+				"longitude": 22.22,
+			},
+		}},
+	}
+	gqlResponse := addHotelParams.ExecuteAsPost(t, GraphqlURL)
+	RequireNoGQLErrors(t, gqlResponse)
+
+	addHotelExpected := `
+	{
+		"addHotel": {
+			"hotel": [{
+				"name": "Taj Hotel",
+				"location": {
+					"latitude": 11.11,
+					"longitude": 22.22
+				}
+			}]
+		}
+	}`
+	testutil.CompareJSON(t, addHotelExpected, string(gqlResponse.Data))
+
+	// Cleanup
+	deleteGqlType(t, "Hotel", map[string]interface{}{}, 1, nil)
+}

graphql/e2e/directives/schema.graphql

@@ -1,6 +1,12 @@
 # **Don't delete** Comments at top of schemas should work
 # See: https://github.com/dgraph-io/dgraph/issues/4227
 
+type Hotel {
+    id: ID!
+    name: String! @search(by: [exact])
+    location: Point @search
+}
+
 type Country {
         # **Don't delete** Comments in types should work
         id: ID! # **Don't delete** Comments in lines should work