Apache Arrow Flight

See the API documentation for examples and the full API.

The API documentation for most recent, unreleased code is available here.

Usage

Add this to your Cargo.toml:

[dependencies]
arrow-flight = "54.0.0"

Apache Arrow Flight is a gRPC based protocol for exchanging Arrow data between processes. See the blog post Introducing Apache Arrow Flight: A Framework for Fast Data Transport for more information.

This crate provides a Rust implementation of the Flight.proto gRPC protocol and examples that demonstrate how to build a Flight server implemented with tonic.

Feature Flags

• flight-sql: Support for Apache Arrow FlightSQL, a protocol for interacting with SQL databases.

You can enable TLS using the following features (not enabled by default)

• tls-aws-lc: enables tonic feature tls-aws-lc
• tls-native-roots: enables tonic feature tls-native-roots
• tls-ring: enables tonic feature tls-ring
• tls-webpki: enables tonic feature tls-webpki-roots

CLI

This crates offers a basic Apache Arrow FlightSQL command line interface.

The client can be installed from the repository:

$ cargo install --features=cli,flight-sql,tls --bin=flight_sql_client --path=. --locked

The client comes with extensive help text:

$ flight_sql_client help

A query can be executed using:

$ flight_sql_client --host example.com statement-query "SELECT 1;"
+----------+
| Int64(1) |
+----------+
| 1        |
+----------+