[jira] [Created] (HIVE-4109) Partition by column does not have to be in order by

["Brock Noland (JIRA)" <ji...@apache.org>]

Brock Noland created HIVE-4109:
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             Summary: Partition by column does not have to be in order by
                 Key: HIVE-4109
                 URL: https://issues.apache.org/jira/browse/HIVE-4109
             Project: Hive
          Issue Type: Bug
          Components: PTF-Windowing
            Reporter: Brock Noland


Cam up in the review of HIVE-4093.

{noformat}
I am not sure if this is illegal query. I tried following two queries in postgres, both of them succeeded.

select p_mfgr, avg(p_retailprice) over(partition by p_mfgr, p_type order by p_mfgr) from part;
select p_mfgr, avg(p_retailprice) over(partition by p_mfgr order by p_type,p_mfgr) from part;
{noformat}

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