[jira] [Commented] (BEAM-12483) SQL: Swapping arguments in HOP window results in invalid window assignment

["Beam JIRA Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-12483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17423570#comment-17423570 ] 

Beam JIRA Bot commented on BEAM-12483:
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This issue was marked "stale-P2" and has not received a public comment in 14 days. It is now automatically moved to P3. If you are still affected by it, you can comment and move it back to P2.

> 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: P3
>
> 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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