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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-168) join on a subquery with a group by does not work
Date Mon, 15 Dec 2008 19:47:44 GMT

    [ https://issues.apache.org/jira/browse/HIVE-168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12656724#action_12656724
] 

Zheng Shao commented on HIVE-168:
---------------------------------

Committed revision 726784.


> join on a subquery with a group by does not work
> ------------------------------------------------
>
>                 Key: HIVE-168
>                 URL: https://issues.apache.org/jira/browse/HIVE-168
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: 168.patch, patch2, patch3
>
>
>  SELECT a.key, a.value, b.key, b.value
>  FROM 
>   (
>   SELECT src1.key as key, count(src1.value) AS value FROM src src1 group by src1.key
>   ) a
>  FULL OUTER JOIN 
>  (
>   SELECT src2.key as key, count(distinct(src2.value)) AS value 
>   FROM src1 src2 group by src2.key
>  ) b 
>  ON (a.key = b.key);
> does not generate the plan correctly

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