GitHub user XuPingyong opened a pull request:
https://github.com/apache/flink/pull/4525
[FLINK-7423] Always reuse an instance to get elements from the inputFormat
## What is the purpose of the change
This pull request fix a bug about getting elements from the inputFormat in
InputFormatSourceFunction.java
## Verifying this change
This change added tests and can be verified as follows:
- *Added test in InputFormatSourceFunctionTest*
## 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/XuPingyong/flink FLINK-7423
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4525.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 #4525
----
commit ddca0f9d258eed4bc69bf931aebc1bbde385c799
Author: pingyong.xpy <pingyong....@alibaba-inc.com>
Date: 2017-08-11T06:09:12Z
[FLINK-7423] Always reuse an instance to get elements from the inputFormat
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