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https://issues.apache.org/jira/browse/HIVE-3403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13552503#comment-13552503
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Namit Jain commented on HIVE-3403:
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https://issues.apache.org/jira/secure/attachment/12564394/hive.3403.12.patch
contains the changes with the backup task.
Will clean it up, remove the backup task from HIVE-3403.
> user should not specify mapjoin to perform sort-merge bucketed join
> -------------------------------------------------------------------
>
> Key: HIVE-3403
> URL: https://issues.apache.org/jira/browse/HIVE-3403
> Project: Hive
> Issue Type: Bug
> Reporter: Namit Jain
> Assignee: Namit Jain
> Attachments: hive.3403.10.patch, hive.3403.11.patch,
> hive.3403.12.patch, hive.3403.1.patch, hive.3403.2.patch, hive.3403.3.patch,
> hive.3403.4.patch, hive.3403.5.patch, hive.3403.6.patch, hive.3403.7.patch,
> hive.3403.8.patch, hive.3403.9.patch
>
>
> Currently, in order to perform a sort merge bucketed join, the user needs
> to set hive.optimize.bucketmapjoin.sortedmerge to true, and also specify the
> mapjoin hint.
> The user should not specify any hints.
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