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.