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From "Chao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-8970) Enable map join optimization only when hive.auto.convert.join is true [Spark Branch]
Date Wed, 26 Nov 2014 06:45:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-8970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chao updated HIVE-8970:
-----------------------
    Attachment: HIVE-8970.1-spark.patch

> Enable map join optimization only when hive.auto.convert.join is true [Spark Branch]
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-8970
>                 URL: https://issues.apache.org/jira/browse/HIVE-8970
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>    Affects Versions: spark-branch
>            Reporter: Chao
>            Assignee: Chao
>             Fix For: spark-branch
>
>         Attachments: HIVE-8970.1-spark.patch
>
>
> Right now, in Spark branch we enable MJ without looking at this configuration. The related
code in {{SparkMapJoinOptimizer}} is commented out. We should only enable MJ when the flag
is true.



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