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From "Navis (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-3582) NPE in union processing followed by lateral view followed by 2 group bys
Date Wed, 17 Oct 2012 23:26:03 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Navis updated HIVE-3582:
------------------------

    Status: Patch Available  (was: Open)
    
> NPE in union processing followed by lateral view followed by 2 group bys
> ------------------------------------------------------------------------
>
>                 Key: HIVE-3582
>                 URL: https://issues.apache.org/jira/browse/HIVE-3582
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Navis
>         Attachments: HIVE-3582.D6051.1.patch
>
>
> EXPLAIN 
> SELECT e.key, e.arr_ele, count(1) FROM (
>   SELECT d.key as key, d.arr_ele as arr_ele, d.value  as value, count(1) as cnt FROM
(
>     SELECT c.arr_ele as arr_ele, a.key as key, a.value as value FROM (
>       SELECT key, value, array(1,2,3) as arr
>       FROM src
>       UNION ALL
>    
>       SELECT key, value, array(1,2,3) as arr
>       FROM srcpart
>       WHERE ds = '2008-04-08' and hr='12'
>     ) a LATERAL VIEW EXPLODE(arr) c AS arr_ele
>   ) d group by d.key, d.arr_ele, d.value
> ) e group by e.key, e.arr_ele;

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