---
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")
}