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https://issues.apache.org/jira/browse/HIVE-4041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13607237#comment-13607237
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Ashutosh Chauhan commented on HIVE-4041:
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Following negative tests failed:
* ptf_negative_IncompatibleDistributeClause.q
* ptf_negative_IncompatibleOrderInWindowDefs.q
* ptf_negative_IncompatiblePartitionInWindowDefs.q
* ptf_negative_IncompatibleSortClause.q
* ptf_negative_InvalidValueBoundary.q
> Support multiple partitionings in a single Query
> ------------------------------------------------
>
> Key: HIVE-4041
> URL: https://issues.apache.org/jira/browse/HIVE-4041
> Project: Hive
> Issue Type: Bug
> Components: PTF-Windowing
> Reporter: Harish Butani
> Assignee: Harish Butani
> Attachments: HIVE-4041.D9381.1.patch, HIVE-4041.D9381.2.patch,
> WindowingComponentization.pdf
>
>
> Currently we disallow queries if the partition specifications of all Wdw fns
> are not the same. We can relax this by generating multiple PTFOps based on
> the unique partitionings in a Query. For partitionings that only differ in
> sort, we can introduce a sort step in between PTFOps, which can happen in the
> same Reduce task.
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