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https://issues.apache.org/jira/browse/HIVE-10844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14591207#comment-14591207
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Xuefu Zhang commented on HIVE-10844:
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Thanks, [~chengxiang li]. I will get into it shortly. Thanks.
> Combine equivalent Works for HoS[Spark Branch]
> ----------------------------------------------
>
> Key: HIVE-10844
> URL: https://issues.apache.org/jira/browse/HIVE-10844
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Chengxiang Li
> Assignee: Chengxiang Li
> Attachments: HIVE-10844.1-spark.patch, HIVE-10844.2-spark.patch
>
>
> Some Hive queries(like [TPCDS
> Q39|https://github.com/hortonworks/hive-testbench/blob/hive14/sample-queries-tpcds/query39.sql])
> may share the same subquery, which translated into sperate, but equivalent
> Works in SparkWork, combining these equivalent Works into a single one would
> help to benifit from following dynamic RDD caching optimization.
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