GitHub user xumingming opened a pull request: https://github.com/apache/beam/pull/3218
[BEAM-2356] add NOT operator & some refactoring Seems only `NOT` operator is missing, other operators will be implicitly converted to `AND`, `OR`, `NOT`, during parsing phase, e.g. `IS FALSE` is converted to `NOT`. You can merge this pull request into a Git repository by running: $ git pull https://github.com/xumingming/beam BEAM-2356-logical-operator Alternatively you can review and apply these changes as the patch at: https://github.com/apache/beam/pull/3218.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 #3218 ---- commit c0502cb74edbdda6fe65168a821ecc0949f82cf5 Author: James Xu <xumingmi...@gmail.com> Date: 2017-05-24T04:41:47Z add NOT operator & some refactoring ---- --- 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. ---