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From "Brock Noland (JIRA)" <>
Subject [jira] [Updated] (HIVE-4611) SMB joins fail based on bigtable selection policy.
Date Mon, 22 Jul 2013 17:52:50 GMT


Brock Noland updated HIVE-4611:

    Status: Open  (was: Patch Available)

Nice patch!  Since some tests failed I am going to remove the "Patch Available" state of this
patch. Once those are addressed please mark it "Patch Available" again!
> SMB joins fail based on bigtable selection policy.
> --------------------------------------------------
>                 Key: HIVE-4611
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.11.0
>            Reporter: Vikram Dixit K
>            Assignee: Vikram Dixit K
>             Fix For: 0.11.1
>         Attachments: HIVE-4611.2.patch, HIVE-4611.3.patch, HIVE-4611.patch
> The default setting for will
choose the big table as the one with largest average partition size. However, this can result
in a query failing because this policy conflicts with the big table candidates chosen for
outer joins. This policy should just be a tie breaker and not have the ultimate say in the
choice of tables.

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