GitHub user Xpray opened a pull request:
https://github.com/apache/flink/pull/4941
[FLINK-7971][TableAPI & SQL] Fix potential NPE with inconsistent state
## What is the purpose of the change
fix potential NPE with inconsistent state
## Brief change log
- the `cntState` is independent from `state` , they shall be treated
separately.
## 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
## Documentation
- Does this pull request introduce a new feature? no
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/Xpray/flink FLINK-7971
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4941.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 #4941
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commit 428de1f7833d265fc36e3ff5d163dab73409c425
Author: Xpray <leonxp...@gmail.com>
Date: 2017-11-03T07:19:42Z
[FLINK-7971][TableAPI & SQL] Fix potential NPE with inconsistent state
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