Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/48#issuecomment-47184119
Before commit it, I've renamed some methods and added more comments.--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at [email protected] or file a JIRA ticket with INFRA. ---
