graphql-composition 0.12.2

An implementation of GraphQL federated schema composition
Documentation 
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---
source: crates/graphql-composition/tests/composition_tests.rs
expression: Federated SDL
input_file: crates/graphql-composition/tests/composition/entity_composite_key_nested/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 Patient
  @join__type(graph: PATIENT_INFO, key: "id")
  @join__type(graph: PATIENT_RECORD, key: "id")
{
  dateOfBirth: String @join__field(graph: PATIENT_INFO)
  id: ID!
  medicalRecords: [PatientRecord] @join__field(graph: PATIENT_RECORD, requires: "id")
  name: String @join__field(graph: PATIENT_INFO)
}

type PatientRecord
  @join__type(graph: PATIENT_INFO, key: "patient { id } recordId")
  @join__type(graph: PATIENT_RECORD, key: "patient { id } recordId")
{
  admissionDate: String @join__field(graph: PATIENT_INFO)
  diagnosis: String @join__field(graph: PATIENT_RECORD)
  extendPatientRecord: PatientRecord @join__field(graph: PATIENT_INFO, requires: "patient { id } recordId")
  patient: Patient
  recordId: ID!
  treatmentPlan: String @join__field(graph: PATIENT_RECORD)
}

type Query
{
  patient(id: ID!): Patient @join__field(graph: PATIENT_INFO)
  patientRecord(recordId: ID!, patientId: ID!): PatientRecord @join__field(graph: PATIENT_RECORD)
  patientRecords: [PatientRecord] @join__field(graph: PATIENT_RECORD)
  patients: [Patient] @join__field(graph: PATIENT_INFO)
}

enum join__Graph
{
  PATIENT_INFO @join__graph(name: "patient-info", url: "http://example.com/patient-info")
  PATIENT_RECORD @join__graph(name: "patient-record", url: "http://example.com/patient-record")
}