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https://issues.apache.org/jira/browse/HIVE-22631?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17000771#comment-17000771
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Vineet Garg commented on HIVE-22631:
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[~jcamachorodriguez] I am not really sure if any upstream method can modify the
returned partitions, from what I saw I am not really sure what these objects
can not be mutable. May be [~thejas] have some idea?
> Avoid deep copying partition list in listPartitionsByExpr
> ---------------------------------------------------------
>
> Key: HIVE-22631
> URL: https://issues.apache.org/jira/browse/HIVE-22631
> Project: Hive
> Issue Type: Improvement
> Components: Hive
> Reporter: Vineet Garg
> Assignee: Vineet Garg
> Priority: Major
> Attachments: HIVE-22631.1.patch, HIVE-22631.2.patch
>
>
> This is an expensive call, I am not sure why deepCopy is required.
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