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https://issues.apache.org/jira/browse/FLINK-5335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15748061#comment-15748061
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ASF GitHub Bot commented on FLINK-5335:
---------------------------------------
GitHub user StefanRRichter opened a pull request:
https://github.com/apache/flink/pull/3005
[FLINK-5335] Allow ListCheckpointed user functions to return null
Currently, it is not allowed to return ``null`` as result for the methods
in ``ListCheckpointed``. From a usability perspective, I think it is nicer to
allow this. This PR introduces proper handling for ``null`` plus additional
unit tests for ``ListCheckpointed``
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/StefanRRichter/flink allow-list-state-null
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/3005.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 #3005
----
commit 6d11885d5ddc4ba53b248b7683f24ee87e1360f7
Author: Stefan Richter <[email protected]>
Date: 2016-12-14T11:13:15Z
[FLINK-5335] Allow ListCheckpointed user functions to return null
----
> Allow ListCheckpointed user functions to return null
> ----------------------------------------------------
>
> Key: FLINK-5335
> URL: https://issues.apache.org/jira/browse/FLINK-5335
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Reporter: Stefan Richter
> Assignee: Stefan Richter
>
> Currently, it is not allowed to return null as result for the methods in
> {{ListCheckpointed}}. From a usability perspective, I think it is nicer to
> allow this.
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