Created
June 9, 2016 10:55
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This gist shows the impact of resolving fields in parallel in graphql-go.
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package main | |
import ( | |
"encoding/json" | |
"fmt" | |
"log" | |
"net/http" | |
"github.com/graphql-go/graphql" | |
) | |
func main() { | |
// Schema | |
fields := graphql.Fields{ | |
"hello": &graphql.Field{ | |
Type: graphql.String, | |
Resolve: func(p graphql.ResolveParams) (interface{}, error) { | |
http.Get("http://fake-response.appspot.com/?sleep=2") | |
return "world", nil | |
}, | |
}, | |
} | |
rootQuery := graphql.ObjectConfig{Name: "RootQuery", Fields: fields} | |
schemaConfig := graphql.SchemaConfig{Query: graphql.NewObject(rootQuery)} | |
schema, err := graphql.NewSchema(schemaConfig) | |
if err != nil { | |
log.Fatalf("failed to create new schema, error: %v", err) | |
} | |
// Query | |
query := ` | |
{ | |
a: hello | |
b: hello | |
c: hello | |
d: hello | |
e: hello | |
} | |
` | |
params := graphql.Params{Schema: schema, RequestString: query} | |
r := graphql.Do(params) | |
if len(r.Errors) > 0 { | |
log.Fatalf("failed to execute graphql operation, errors: %+v", r.Errors) | |
} | |
rJSON, _ := json.Marshal(r) | |
fmt.Printf("%s \n", rJSON) // {“data”:{“hello”:”world”}} | |
} |
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> go build && time ./hello-world | |
{"data":{"a":"world","b":"world","c":"world","d":"world","e":"world"}} | |
./hello-world 0.01s user 0.01s system 0% cpu 2.617 total |
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