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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-269) Add log/exp UDF functions to Hive
Date Wed, 04 Feb 2009 05:03:59 GMT
Add log/exp UDF functions to Hive
---------------------------------

                 Key: HIVE-269
                 URL: https://issues.apache.org/jira/browse/HIVE-269
             Project: Hadoop Hive
          Issue Type: New Feature
          Components: Query Processor
    Affects Versions: 0.2.0
            Reporter: Zheng Shao
            Assignee: Zheng Shao


See http://dev.mysql.com/doc/refman/5.0/en/mathematical-functions.html

{code}
EXP() 	Raise to the power of
LN() 	Return the natural logarithm of the argument
LOG10() 	Return the base-10 logarithm of the argument
LOG2() 	Return the base-2 logarithm of the argument
LOG() 	Return the natural logarithm of the first argument 
{code}


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