graphql-composition 0.12.2

An implementation of GraphQL federated schema composition
Documentation
---
source: crates/graphql-composition/tests/composition_tests.rs
expression: Federated SDL
input_file: crates/graphql-composition/tests/composition/interface_implementing_interface_basic/test.md
---
schema
  @link(url: "https://specs.apollo.dev/link/v1.0")
  @link(url: "https://specs.apollo.dev/join/v0.3", for: EXECUTION)
  @link(url: "https://specs.apollo.dev/inaccessible/v0.2", for: SECURITY)
{
  query: Query
}

directive @join__unionMember(graph: join__Graph!, member: String!) on UNION

directive @join__implements(graph: join__Graph!, interface: String!) on OBJECT | INTERFACE

directive @join__graph(name: String!, url: String) on ENUM_VALUE

directive @join__field(graph: join__Graph, requires: join__FieldSet, provides: join__FieldSet, type: String, external: Boolean, override: String, overrideLabel: String) on FIELD_DEFINITION | INPUT_FIELD_DEFINITION

directive @join__type(graph: join__Graph, key: join__FieldSet, extension: Boolean = false, resolvable: Boolean = true, isInterfaceObject: Boolean = false) on SCALAR | OBJECT | INTERFACE | UNION | ENUM | INPUT_OBJECT

directive @join__owner(graph: join__Graph!) on OBJECT

scalar join__FieldSet

type Product implements Node
  @join__type(graph: PRODUCT)
  @join__implements(graph: PRODUCT, interface: "Node")
{
  description: String
  id: ID!
  name: String!
  price: Float!
}

type User implements Node & Timestamped
  @join__type(graph: USER)
  @join__implements(graph: USER, interface: "Node")
  @join__implements(graph: USER, interface: "Timestamped")
{
  createdAt: String!
  email: String!
  id: ID!
  updatedAt: String!
  username: String!
}

type Query
{
  user(id: ID!): User @join__field(graph: USER)
}

interface Node
  @join__type(graph: PRODUCT)
  @join__type(graph: USER)
{
  id: ID!
}

interface Timestamped implements Node
  @join__type(graph: USER)
  @join__implements(graph: USER, interface: "Node")
{
  createdAt: String!
  id: ID!
  updatedAt: String!
}

enum join__Graph
{
  PRODUCT @join__graph(name: "product", url: "http://example.com/product")
  USER @join__graph(name: "user", url: "http://example.com/user")
}