graphql-composition 0.12.2

An implementation of GraphQL federated schema composition
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

---
source: crates/graphql-composition/tests/composition_tests.rs
expression: Federated SDL
input_file: crates/graphql-composition/tests/composition/federation_v2/entity_interfaces/entity_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 Squirrel
  @join__type(graph: FOREST)
{
  favouriteFood: String
}

type Cheetah implements Animal
  @join__type(graph: SAVANNA, key: "species")
  @join__implements(graph: SAVANNA, interface: "Animal")
{
  favouriteFood: String @join__field
  species: String!
  topSpeed: Int!
  weightGrams: Int @join__field
}

type Mammoth
  @join__type(graph: STEPPE)
{
  tuskLength: Int
}

type Query
{
  getMammoth: Mammoth @join__field(graph: STEPPE)
}

interface Animal
  @join__type(graph: SAVANNA, key: "species")
  @join__type(graph: FOREST, key: "species", isInterfaceObject: true)
  @join__type(graph: STEPPE, key: "species", isInterfaceObject: true)
{
  favouriteFood: String @join__field(graph: FOREST)
  species: String @join__field(graph: FOREST) @join__field(graph: SAVANNA, type: "String!") @join__field(graph: STEPPE)
  weightGrams: Int @join__field(graph: STEPPE)
}

enum join__Graph
{
  FOREST @join__graph(name: "forest", url: "http://example.com/forest")
  SAVANNA @join__graph(name: "savanna", url: "http://example.com/savanna")
  STEPPE @join__graph(name: "steppe", url: "http://example.com/steppe")
}