[jira] Commented: (HIVE-1038) mapjoin dies if the join prunes all the columns

["He Yongqiang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-1038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12798169#action_12798169 ] 

He Yongqiang commented on HIVE-1038:
------------------------------------

+1. Will commit if test pass.

> mapjoin dies if the join prunes all the columns 
> ------------------------------------------------
>
>                 Key: HIVE-1038
>                 URL: https://issues.apache.org/jira/browse/HIVE-1038
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>            Priority: Blocker
>             Fix For: 0.5.0
>
>         Attachments: hive.1038.1.patch
>
>
> The query:
> select /*+ mapjoin(a) */ count(1) from src a join src b on a.key = b.key
> dies.
> It is a blocker for 0.5

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