In order to accept your pull request, we need you to submit a CLA. You only need to do this once, so if you've done this for another Facebook open source project, you're good to go. If you are submitting a pull request for the first time, just let us know that you have completed the CLA and we can cross-check with your GitHub username.
Complete your CLA here: https://developers.facebook.com/opensource/cla
By contributing to Presto, you agree that your contributions will be licensed under the Apache License Version 2.0 (APLv2).