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From "Namit Jain (JIRA)" <>
Subject [jira] [Commented] (HIVE-3403) user should not specify mapjoin to perform sort-merge bucketed join
Date Wed, 13 Feb 2013 04:03:13 GMT


Namit Jain commented on HIVE-3403:

[~ashutoshc], I can change the default in a follow-up. Again, wanted to be conservative
> user should not specify mapjoin to perform sort-merge bucketed join
> -------------------------------------------------------------------
>                 Key: HIVE-3403
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: auto_sortmerge_join_1_modified.q, hive.3403.10.patch, hive.3403.11.patch,
hive.3403.12.patch, hive.3403.13.patch, hive.3403.14.patch, hive.3403.15.patch, hive.3403.16.patch,
hive.3403.17.patch, hive.3403.18.patch, hive.3403.19.patch, hive.3403.1.patch, hive.3403.21.patch,
hive.3403.22.patch, hive.3403.23.patch, hive.3403.24.patch, hive.3403.25.patch, hive.3403.26.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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