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Posted to dev@hive.apache.org by "Jeff Hammerbacher (JIRA)" <ji...@apache.org> on 2009/01/25 00:11:59 UTC

[jira] Commented: (HIVE-244) Add SQRT() UDF

    [ https://issues.apache.org/jira/browse/HIVE-244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12667011#action_12667011 ] 

Jeff Hammerbacher commented on HIVE-244:
----------------------------------------

This implementation will return NULL if you take the sqrt of a negative number, as MySQL does.

> Add SQRT() UDF
> --------------
>
>                 Key: HIVE-244
>                 URL: https://issues.apache.org/jira/browse/HIVE-244
>             Project: Hadoop Hive
>          Issue Type: New Feature
>            Reporter: Jeff Hammerbacher
>            Priority: Minor
>         Attachments: HIVE-244.diff, HIVE-244.testoutput
>
>
> See http://dev.mysql.com/doc/refman/5.0/en/mathematical-functions.html#function_sqrt.

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