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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4521) Auto join conversion fails in certain cases (empty tables, empty partitions, no partitions)
Date Fri, 17 May 2013 16:17:16 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13660827#comment-13660827
] 

Gunther Hagleitner commented on HIVE-4521:
------------------------------------------

[~owen.omalley]: Just ran tests overnight. All tests passed.
                
> Auto join conversion fails in certain cases (empty tables, empty partitions, no partitions)
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-4521
>                 URL: https://issues.apache.org/jira/browse/HIVE-4521
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gunther Hagleitner
>            Assignee: Gunther Hagleitner
>         Attachments: HIVE-4521.1.patch, HIVE-4521.2.patch
>
>
> Automatic join conversion for both map joins as well as smb joins fails when tables,
files or partitions are empty (see test cases in patch). Error messages include: "Big Table
Alias is null" and "Divide by Zero".

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