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https://issues.apache.org/jira/browse/BEAM-11839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17310241#comment-17310241
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Beam JIRA Bot commented on BEAM-11839:
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This issue was marked "stale-assigned" and has not received a public comment in
7 days. It is now automatically unassigned. If you are still working on it, you
can assign it to yourself again. Please also give an update about the status of
the work.
> Attach a "reason" message to Singleton partitioning
> ---------------------------------------------------
>
> Key: BEAM-11839
> URL: https://issues.apache.org/jira/browse/BEAM-11839
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-core
> Reporter: Brian Hulette
> Priority: P2
> Labels: dataframe-api
>
> When Singleton partitioning is required, we should be able to attach a reason
> to it so we can raise a helpful message to the user later, e.g.
> {{partitionings.Singleton(reason="Only 'pearson' correlation can be computed
> in a distributed manner, other methods require Singleton partitioning")}}
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