Playground - http://localhost:4000/

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query getAllUsers {
  users {
    id
    fullName
    posts {
      id
      title
    }
  }
}

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​

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{
  "data": {
    "users": [
      {
        "id": "1",        "fullName": "Mehmet Seven",        "posts": [
          {            "id": "1",            "title": "Mehmet's post"          },          {            "id": "2",            "title": "Mehmet's other post"          }        ]      },      {
        "id": "2",        "fullName": "Ahmet Günal",        "posts": [
          {            "id": "3",            "title": "Ahmet's post"          }        ]      }    ]  }}

This GraphQL server either doesn't support Apollo Federation, or the query plan extensions is disabled. See the docs for setting up query plan viewing with Apollo Federation.

Docs

Schema

 
type User {  id: ID  fullName: String  posts: [Post!]!  comments: [Comment!]!}​type Post {  id: ID  title: String  user_id: ID  user: User  comments: [Comment!]!}​type Comment {  id: ID  text: String  post_id: ID  user: User!  post: Post!}​type Query {  users: [User]  user(id: ID): User  posts: [Post]  post(id: ID): Post  comments: [Comment]  comment(id: ID): Comment}​