Module coasys_juniper::executor

Resolve the document to values

Structs

• ConcreteLookAheadSelection
  A selection performed by a query on a concrete type
• ExecutionError
  Error type for errors that occur during query execution
• Executor
  Query execution engine
• FieldError
  Error type for errors that occur during field resolution
• LookAheadArgument
  An argument passed into the query
• LookAheadSelection
  A selection performed by a query
• OwnedExecutor
  Executor owning all its variables. Can be used after Executor was destroyed.
• Registry
  A type registry used to build schemas

Enums

• Applies
  An enum that describes if a field is available in all types of the interface or only in a certain subtype
• FieldPath
• LookAheadValue
  A JSON-like value that can is used as argument in the query execution

Traits

• Context
  Marker trait for types that can act as context objects for GraphQL types.
• FromContext
  Conversion trait for context types
• IntoFieldError
  Custom error handling trait to enable error types other than FieldError to be specified as return value.
• LookAheadMethods
  Set of common methods for ConcreteLookAheadSelection and LookAheadSelection.

Functions

• execute_validated_query
  Create new Executor and start query/mutation execution. Returns IsSubscription error if subscription is passed.
• execute_validated_query_async
  Create new Executor and start asynchronous query execution. Returns IsSubscription error if subscription is passed.
• resolve_validated_subscription
  Initialize new Executor and start resolving subscription into stream asynchronously. Returns NotSubscription error if query or mutation is passed

Type Aliases

• ExecutionResult
  The result of resolving an unspecified field
• FieldResult
  The result of resolving the value of a field of type T
• ValuesStream
  Boxed Stream yielding Result<Value<S>, ExecutionError<S>>
• Variables
  The map of variables used for substitution during query execution