Crate arrow_flight
source ·Expand description
A native Rust implementation of Apache Arrow Flight for exchanging Arrow data between processes.
Please see the arrow-flight crates.io page for feature flags and more information.
Overview
This crate contains:
-
Low level prost generated structs for Flight gRPC protobuf messages, such as
FlightData
. -
Low level tonic generated
flight_service_client
andflight_service_server
.
Re-exports
pub use client::FlightClient;
Modules
Mid Level
FlightClient
Common error types
Defines a
Flight
for generation or retrieval.Low Level tonic
FlightServiceClient
.Utilities to assist with reading and writing Arrow data as Flight messages
Structs
An opaque action specific for the service.
Describes an available action, including both the name used for execution
along with a short description of the purpose of the action.
A message for doing simple auth.
A service specific expression that can be used to return a limited set
of available Arrow Flight streams.
A batch of Arrow data as part of a stream of batches.
The name or tag for a Flight. May be used as a way to retrieve or generate
a flight or be used to expose a set of previously defined flights.
A particular stream or split associated with a flight.
The access coordinates for retrieval of a dataset. With a FlightInfo, a
consumer is able to determine how to retrieve a dataset.
The request that a client provides to a server on handshake.
IpcMessage represents a
Schema
in the format expected in
FlightInfo.schema
A location where a Flight service will accept retrieval of a particular
stream given a ticket.
An opaque result returned after executing an action.
SchemaAsIpc represents a pairing of a
Schema
with IpcWriteOptionsWrap the result of a getSchema call
An opaque identifier that the service can use to retrieve a particular
portion of a stream.