[GitHub] flink pull request #5878: [FLINK-9216][Streaming] Fix comparator violation

[asfgit]

Github user asfgit closed the pull request at:

https://github.com/apache/flink/pull/5878


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[GitHub] flink pull request #5878: [FLINK-9216][Streaming] Fix comparator violation

[Xpray]

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 
Date:   2018-04-19T06:51:34Z

[FLINK-9216][Streaming] Fix comparator violation




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