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https://issues.apache.org/jira/browse/BEAM-11190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17257805#comment-17257805
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Beam JIRA Bot commented on BEAM-11190:
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This issue is P2 but has been unassigned without any comment for 60 days so it
has been labeled "stale-P2". If this issue is still affecting you, we care!
Please comment and remove the label. Otherwise, in 14 days the issue will be
moved to P3.
Please see https://beam.apache.org/contribute/jira-priorities/ for a detailed
explanation of what these priorities mean.
> grouping on categorical columns requires Singleton partitioning
> ---------------------------------------------------------------
>
> Key: BEAM-11190
> URL: https://issues.apache.org/jira/browse/BEAM-11190
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Brian Hulette
> Priority: P2
> Labels: stale-P2
> Time Spent: 40m
> Remaining Estimate: 0h
>
> groupby with observed=False (the default) requires aggregating in the
> Singleton partition since it would otherwise produce results with every index
> value within every partition.
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