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https://issues.apache.org/jira/browse/FLINK-10947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17329522#comment-17329522
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Flink Jira Bot commented on FLINK-10947:
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This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> Document handling of null keys in the data types documentation
> --------------------------------------------------------------
>
> Key: FLINK-10947
> URL: https://issues.apache.org/jira/browse/FLINK-10947
> Project: Flink
> Issue Type: Task
> Components: API / Type Serialization System, Documentation
> Affects Versions: 1.6.2
> Reporter: Flavio Pompermaier
> Assignee: Timo Walther
> Priority: Major
> Labels: documentation, key, stale-assigned, type-converter
>
> The [Flink documentation about data
> types|https://ci.apache.org/projects/flink/flink-docs-release-1.6/dev/types_serialization.html]
> should be extended with a discussion about the handling of null keys. See
> discussion at
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Group-by-with-null-keys-td24594.html
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