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https://issues.apache.org/jira/browse/HIVE-7677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14095024#comment-14095024
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Chengxiang Li commented on HIVE-7677:
-------------------------------------
HIVE-7493 try to adapt HiveReduceFunction input to ExecReducer input more
efficient, while we try to remove ExecMapper and implement its logic in
HiveReduceFunction in this JIRA, i think they are related but not the same
thing.
> Implement native HiveReduceFunction
> -----------------------------------
>
> Key: HIVE-7677
> URL: https://issues.apache.org/jira/browse/HIVE-7677
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Chengxiang Li
>
> Similar as HiveMapFunction, We need implement native HiveReduceFunction, as
> the bridge between Spark framework and Hive operators.
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