GraphQL
A powerful GraphQL server implementation for Golang. Its aim is to be the fastest GraphQL implementation.
$ cat test.gopackage main
import (
"fmt"
"github.com/playlyfe/go-graphql"
)
func main() {
schema := `
## double hashed comments be parsed as descriptions and show up in
## introspection queries
interface Pet {
name: String
}
# this is an internal comment
type Dog implements Pet {
name: String
woofs: Boolean
}
type Cat implements Pet {
name: String
meows: Boolean
}
type QueryRoot {
pets: [Pet]
}
`
resolvers := map[string]interface{}{}
resolvers["QueryRoot/pets"] = func(params *graphql.ResolveParams) (interface{}, error) {
return []map[string]interface{}{
{
"__typename": "Dog",
"name": "Odie",
"woofs": true,
},
{
"__typename": "Cat",
"name": "Garfield",
"meows": false,
},
}, nil
}
context := map[string]interface{}{}
variables := map[string]interface{}{}
executor, err := graphql.NewExecutor(schema, "QueryRoot", "", resolvers)
executor.ResolveType = func(value interface{}) string {
if object, ok := value.(map[string]interface{}); ok {
return object["__typename"].(string)
}
return ""
}
query := `{
pets {
name
... on Dog {
woofs
}
... on Cat {
meows
}
}
}`
result, err := executor.Execute(context, query, variables, "")
if err != nil {
panic(err)
}
fmt.Printf("%v", result)
}Benchmarks
Name Repetitions
BenchmarkGoGraphQLMaster-4 10000 230846 ns/op 29209 B/op 543 allocs/op
BenchmarkPlaylyfeGraphQLMaster-4 50000 27647 ns/op 3269 B/op 61 allocs/op
More
graphql-js master
wrk -t12 -c400 -d30s --timeout 10s "http://localhost:3002/graphql?query={hello}"
Running 30s test @ http://localhost:3002/graphql?query={hello}
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 219.79ms 80.35ms 613.69ms 78.38%
Req/Sec 149.99 96.37 494.00 58.29%
52157 requests in 30.05s, 9.96MB read
Requests/sec: 1735.60
Transfer/sec: 339.33KB
graphql-go master
wrk -t12 -c400 -d30s --timeout 10s "http://localhost:3003/graphql?query={hello}"
Running 30s test @ http://localhost:3003/graphql?query={hello}
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 134.97ms 163.47ms 1.85s 86.12%
Req/Sec 372.46 236.09 1.58k 70.99%
133607 requests in 30.05s, 18.35MB read
Requests/sec: 4445.99
Transfer/sec: 625.22KB
playlyfe/go-graphql master
wrk -t12 -c400 -d30s --timeout 10s "http://localhost:3003/graphql?query={hello}"
Running 30s test @ http://localhost:3003/graphql?query={hello}
12 threads and 400 connections
Thread Stats Avg Stdev Max +/- Stdev
Latency 34.89ms 43.72ms 518.00ms 87.58%
Req/Sec 1.44k 0.90k 6.10k 81.35%
514095 requests in 30.05s, 70.60MB read
Requests/sec: 17108.13
Transfer/sec: 2.35MB
TODO
Validator
License
Playlyfe GraphQL
http://dev.playlyfe.com/
Copyright(c) 2015-2016, Playlyfe IT Solutions Pvt. Ltd, [email protected]
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.