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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-397) Implement sign function
Date Sun, 08 Dec 2013 12:34:35 GMT

    [ https://issues.apache.org/jira/browse/TAJO-397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13842490#comment-13842490
] 

Hyunsik Choi commented on TAJO-397:
-----------------------------------

+1

> Implement sign function
> -----------------------
>
>                 Key: TAJO-397
>                 URL: https://issues.apache.org/jira/browse/TAJO-397
>             Project: Tajo
>          Issue Type: Sub-task
>          Components: operator/function/udf
>            Reporter: DaeMyung Kang
>            Assignee: DaeMyung Kang
>            Priority: Minor
>         Attachments: TAJO-397.patch
>
>
> float8 sign(float8)
> if value is greater than 0 return 1.0
> if value is equals to 0 return 0.0
> if value is less than 0 return -1.0



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