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Posted to dev@hive.apache.org by "Zheng Shao (JIRA)" <ji...@apache.org> on 2009/02/06 02:37:59 UTC
[jira] Resolved: (HIVE-269) Add log/exp UDF functions to Hive
[ 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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