GitHub user zuyu opened a pull request: https://github.com/apache/incubator-quickstep/pull/79
Constructed Generators once in the optimizer. Instead of creating generators each time per query, do so once, and reuse the instances for every query. You can merge this pull request into a Git repository by running: $ git pull https://github.com/apache/incubator-quickstep refactor-optimizer Alternatively you can review and apply these changes as the patch at: https://github.com/apache/incubator-quickstep/pull/79.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #79 ---- commit 15d2cbd6d7f3814956bf92e264a34d7064d7dfc7 Author: Zuyu Zhang <zu...@twitter.com> Date: 2016-08-04T00:19:07Z Constructed Generators once in the optimizer. ---- --- 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 infrastruct...@apache.org or file a JIRA ticket with INFRA. ---