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https://issues.apache.org/jira/browse/BEAM-12483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17417188#comment-17417188
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Beam JIRA Bot commented on BEAM-12483:
--------------------------------------
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.
> SQL: Swapping arguments in HOP window results in invalid window assignment
> --------------------------------------------------------------------------
>
> Key: BEAM-12483
> URL: https://issues.apache.org/jira/browse/BEAM-12483
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Affects Versions: 2.31.0
> Reporter: Jan Lukavský
> Priority: P2
> Labels: stale-P2
>
> If we (by mistake) swap arguments of HOP window, we end-up with invalid
> WindowFn, that can produce empty windows, which then subsequently results in
> {{java.lang.IllegalArgumentException: WindowedValue requires windows, but
> there were none}}
> We need to verify that the arguments are correct prior to constructing the
> WindowFn.
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