GitHub user Xpray opened a pull request: https://github.com/apache/flink/pull/5878
[FLINK-9216][Streaming] Fix comparator violation ## What is the purpose of the change Fix Improper Comparator for sorting Operator Id. ## Brief change log - if both ids are sink id, then compare its value, or put sink id at the back. ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): no - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no - The serializers: no - The runtime per-record code paths (performance sensitive): no - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: no - The S3 file system connector: no ## Documentation - Does this pull request introduce a new feature? no - If yes, how is the feature documented? not documented You can merge this pull request into a Git repository by running: $ git pull https://github.com/Xpray/flink FLINK-9216 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/5878.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 #5878 ---- commit 55e54228e1290bc20af56f831c3d02f70e56159a Author: Xpray <leonxpray@...> Date: 2018-04-19T06:51:34Z [FLINK-9216][Streaming] Fix comparator violation ---- ---