README

This project has been donated to Apache Arrow: https://github.com/apache/arrow/tree/master/ruby/red-arrow

Name

Red Arrow

Description

Red Arrow is a Ruby bindings of Apache Arrow. Red Arrow is based on GObject Introspection.

Apache Arrow is an in-memory columnar data store. It's used by many products for data analytics.

GObject Introspection is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime.

Red Arrow uses Arrow GLib and gobject-introspection gem to generate Ruby bindings of Apache Arrow.

Arrow GLib is a C wrapper for Arrow C++. GObject Introspection can't use Arrow C++ directly. Arrow GLib is a bridge between Arrow C++ and GObject Introspection.

gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Arrow uses GObject Introspection via gobject-introspection gem.

Install

Install Arrow GLib before install Red Arrow. Use packages.red-data-tools.org for installing Arrow GLib.

Install Red Arrow after you install Arrow GLib:

% gem install red-arrow

Usage

require "arrow"

# TODO

Dependencies

• Apache Arrow

• Arrow GLib

• gobject-introspection gem

Authors

• Kouhei Sutou <kou@clear-code.com>

License

Apache License 2.0. See doc/text/apache-2.0.txt and NOTICE for details.

(Kouhei Sutou has a right to change the license including contributed patches.)