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https://issues.apache.org/jira/browse/HIVE-2339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashutosh Chauhan resolved HIVE-2339.
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Resolution: Duplicate
Fix Version/s: (was: 0.9.0)
0.8.0
Fixed starting 0.8 by HIVE-1989
> Preserve RS key columns in columnExprMap after CP optimization, which might
> be useful to other optimizers
> ---------------------------------------------------------------------------------------------------------
>
> Key: HIVE-2339
> URL: https://issues.apache.org/jira/browse/HIVE-2339
> Project: Hive
> Issue Type: Sub-task
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Fix For: 0.8.0
>
> Attachments: HIVE-2339.1.patch
>
>
> In ColumnPrunerProcFactory#pruneReduceSinkOperator, only VALUE parts are
> retained from columnExprMap. Doesn't anyone want KEY parts to retained,
> either? In my case, it was very useful for backtracking column names and
> removing RS in *-RS-*-RS-GBY case.
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