tree f8b48b9c500bda17e3ea5acd47b5bc86db17cdb8
parent 9cbb930b5adb589f7a2ba8140d8d59227c9a570e
author Harshad Deshmukh <hbdeshmukh@apache.org> 1506542116 -0500
committer Harshad Deshmukh <hbdeshmukh@apache.org> 1506705052 -0500

Created a class to track execution statistics

- Stats are maintained for active operators in the query.