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Posted to dev@hive.apache.org by "Zheng Shao (JIRA)" <ji...@apache.org> on 2009/02/04 07:03:59 UTC
[jira] Updated: (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 updated HIVE-269:
----------------------------
Description:
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}
was:
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}
> 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
> Attachments: HIVE-269.1.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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