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From "Vikram Dixit K (JIRA)" <>
Subject [jira] [Updated] (HIVE-4611) SMB joins fail based on bigtable selection policy.
Date Wed, 14 Aug 2013 19:22:48 GMT


Vikram Dixit K updated HIVE-4611:

    Attachment: HIVE-4611.6.patch.txt

Addressed Ashutosh's comments. Initially, I had an iterator over the list and the javadoc
of that method also said list. However, I see that I don't really need an array list for the
same. I have changed code to reflect the same.
> 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-4611.4.patch, HIVE-4611.5.patch.txt,
HIVE-4611.6.patch.txt, 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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