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From "Vikram Dixit K (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4165) Union failures with mapjoin hints
Date Wed, 13 Mar 2013 23:50:14 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13601827#comment-13601827
] 

Vikram Dixit K commented on HIVE-4165:
--------------------------------------

Why are union operators not allowed before or after an explicit mapjoin hint?

Thanks
Vikram.
                
> Union failures with mapjoin hints
> ---------------------------------
>
>                 Key: HIVE-4165
>                 URL: https://issues.apache.org/jira/browse/HIVE-4165
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.11.0
>            Reporter: Vikram Dixit K
>
> While running the unit tests - union_remove_12.q which has mapjoin hints fails. Although
this is a hadoop 23 only test, the same is reproducible on any union test with mapjoin hints.
For e.g. union_22.q regardless of if we have the auto.convert.join=true/false, I see that
we fail.

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