Daru::TD

Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file lib/daru/td. To experiment with that code, run bin/console for an interactive prompt.

TODO: Delete this and the text above, and describe your gem

Installation

Add this line to your application's Gemfile:

gem 'daru-td'

And then execute:

$ bundle

Or install it yourself as:

$ gem install daru-td

Usage

Create connection

conn = Daru::TD.connect(ENV['TD_API_KEY'])

Obtain a list of databases and tables as a data frame

df_databases = conn.databases
df_tables = conn.tables('db_name')

Read the query result

engine = Daru::TD.create_engine('presto:sample_datasets', conn:conn)
df_query_result = Daru::TD.read_td_query(<<-SQL, engine)
  select * From nasdaq limit 3
SQL

Read the result of the existing job

job_id = 12345678
df_job_result = Daru::TD.read_td_job(job_id, engine)

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/mrkn/daru-td.

License

The gem is available as open source under the terms of the MIT License.