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https://issues.apache.org/jira/browse/HIVE-10332?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14495492#comment-14495492
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Ashutosh Chauhan commented on HIVE-10332:
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+1
> Use SortExchange rather than LogicalExchange for HiveOpConverter
> ----------------------------------------------------------------
>
> Key: HIVE-10332
> URL: https://issues.apache.org/jira/browse/HIVE-10332
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
> Fix For: 1.2.0
>
> Attachments: HIVE-10332.01.patch
>
>
> Right now HiveSortExchange extends SortExchange extends Exchange.
> LogicalExchange extends Exchange. LogicalExchange is expected in
> HiveOpConverter but HiveSortExchange is created. After discussion, we plan to
> change LogicalExchange to HiveSortExchange.
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