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From "Alex Rovner (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-3046) Hive should use metastore to calculate max() on a partition
Date Wed, 23 May 2012 13:56:40 GMT
Alex Rovner created HIVE-3046:
---------------------------------

             Summary: Hive should use metastore to calculate max() on a partition
                 Key: HIVE-3046
                 URL: https://issues.apache.org/jira/browse/HIVE-3046
             Project: Hive
          Issue Type: Improvement
    Affects Versions: 0.7.1
            Reporter: Alex Rovner


Assume you have a table with two partitioned columns: refdate and client_id

The following query runs a table scan instead of using partition metadata:

SELECT MAX(date) FROM mytable WHERE client_id=1 AND refdate >= 20120101

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