This section describes introspection of collection types.
Introspection of the schema::Array:
db> ... ... ... ... ... ... ... ... ... ...
with module schema
select ObjectType {
name,
links: {
name,
},
properties: {
name,
}
}
filter .name = 'schema::Array';{
Object {
name: 'schema::Array',
links: {
Object { name: '__type__' },
Object { name: 'element_type' }
},
properties: {
Object { name: 'id' },
Object { name: 'name' }
}
}
}For a type with an array property, consider the following:
type User {
required property name -> str;
property favorites -> array<str>;
}Introspection of the User with emphasis on properties:
db> ... ... ... ... ... ... ... ... ... ... ...
with module schema
select ObjectType {
name,
properties: {
name,
target: {
name,
[is Array].element_type: { name },
},
},
}
filter .name = 'default::User';{
Object {
name: 'default::User',
properties: {
Object {
name: 'favorites',
target: Object {
name: 'array',
element_type: Object { name: 'std::str' }
}
},
...
}
}
}Introspection of the schema::Tuple:
db> ... ... ... ... ... ... ... ... ... ...
with module schema
select ObjectType {
name,
links: {
name,
},
properties: {
name,
}
}
filter .name = 'schema::Tuple';{
Object {
name: 'schema::Tuple',
links: {
Object { name: '__type__' },
Object { name: 'element_types' }
},
properties: {
Object { name: 'id' },
Object { name: 'name' }
}
}
}For example, below is an introspection of the return type of
the sys::get_version() function:
db> ... ... ... ... ... ... ... ... ...
with module schema
select `Function` {
return_type[is Tuple]: {
element_types: {
name,
type: { name }
} order by .num
}
}
filter .name = 'sys::get_version';{
Object {
return_type: Object {
element_types: {
Object {
name: 'major',
type: Object {
name: 'std::int64'
}
},
Object {
name: 'minor',
type: Object {
name: 'std::int64'
}
},
Object {
name: 'stage',
type: Object {
name: 'sys::VersionStage'
}
},
Object {
name: 'stage_no',
type: Object {
name: 'std::int64'
}
},
Object {
name: 'local',
type: Object { name: 'array' }
}
}
}
}
}