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https://issues.apache.org/jira/browse/HIVE-11962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14936791#comment-14936791
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Aihua Xu commented on HIVE-11962:
---------------------------------
It should be unrelated. [~szehon] can you help submit the patch? Thanks for
reviewing the code.
> Improve windowing_windowspec2.q tests to return consistent results
> ------------------------------------------------------------------
>
> Key: HIVE-11962
> URL: https://issues.apache.org/jira/browse/HIVE-11962
> Project: Hive
> Issue Type: Test
> Components: Test
> Affects Versions: 2.0.0
> Reporter: Aihua Xu
> Assignee: Aihua Xu
> Priority: Trivial
> Attachments: HIVE-11962.patch
>
>
> Upstream test result for windowing_windowspec2.q seems to return consistent
> result while we have observe that in a different test env, the result could
> be slightly different.
> e.g., for the following query, the value t could be the same in each
> partition of ts. So the row order could be either for those rows. I haven't
> looked further why it causes that difference yet.
> {noformat}
> select ts, f, max(f) over (partition by ts order by t rows between 2
> preceding and 1 preceding) from over10k limit 100;
> {noformat}
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