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From Jeff Hammerbacher <ham...@cloudera.com>
Subject Fwd: [jira] Resolved: (HIVE-269) Add log/exp UDF functions to Hive
Date Fri, 06 Feb 2009 03:06:24 GMT
Hey,

For changes to the query language, it would be nice to require a change to
the language manual before resolving an issue. Perhaps a field could be
added to the JIRA, though that's probably overkill. Thoughts?

Later,
Jeff

---------- Forwarded message ----------
From: Zheng Shao (JIRA) <jira@apache.org>
Date: Thu, Feb 5, 2009 at 5:37 PM
Subject: [jira] Resolved: (HIVE-269) Add log/exp UDF functions to Hive
To: hammer@cloudera.com



    [
https://issues.apache.org/jira/browse/HIVE-269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel]

Zheng Shao resolved HIVE-269.
-----------------------------

      Resolution: Fixed
   Fix Version/s: 0.3.0
                  0.2.0
    Release Note: HIVE-269. Add log/exp/pow UDF functions to Hive. (zshao)
    Hadoop Flags: [Reviewed]

Committed revision 741366 for trunk.
Committed revision 741367 and 741368 for branch 0.2.


> 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
>             Fix For: 0.2.0, 0.3.0
>
>         Attachments: HIVE-269.1.patch, HIVE-269.2.patch, HIVE-269.3.patch
>
>
> 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
> POW()         Return the argument raised to the specified power
> POWER()       Return the argument raised to the specified power
> {code}

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