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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9857) Create Factorial UDF
Date Mon, 16 Mar 2015 17:50:38 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14363585#comment-14363585
] 

Alexander Pivovarov commented on HIVE-9857:
-------------------------------------------

The function description was added to hive wiki. https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-MathematicalFunctions

> Create Factorial UDF
> --------------------
>
>                 Key: HIVE-9857
>                 URL: https://issues.apache.org/jira/browse/HIVE-9857
>             Project: Hive
>          Issue Type: Improvement
>          Components: UDF
>            Reporter: Alexander Pivovarov
>            Assignee: Alexander Pivovarov
>             Fix For: 1.2.0
>
>         Attachments: HIVE-9857.1.patch, HIVE-9857.2.patch, HIVE-9857.3.patch
>
>
> Function signature: factorial(int a): bigint
> For example 5!= 5*4*3*2*1=120
> {code}
> select factorial(5);
> OK
> 120
> {code}



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