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Posted to dev@tajo.apache.org by "Jihoon Son (JIRA)" <ji...@apache.org> on 2013/11/27 07:22:38 UTC

[jira] [Commented] (TAJO-308) Implement length(string) function

    [ https://issues.apache.org/jira/browse/TAJO-308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833510#comment-13833510 ] 

Jihoon Son commented on TAJO-308:
---------------------------------

This patch looks good to me, but I want to suggest a thing.
When the input datum is NullDatum, how about return a zero instead of NullDatum?

> Implement length(string) function
> ---------------------------------
>
>                 Key: TAJO-308
>                 URL: https://issues.apache.org/jira/browse/TAJO-308
>             Project: Tajo
>          Issue Type: Improvement
>          Components: operator/function/udf
>            Reporter: Hyunsik Choi
>            Assignee: hyoungjunkim
>            Priority: Minor
>              Labels: newbie
>         Attachments: TAJO-308.patch
>
>
> length(string) function returns the number of characters in string.
> {code}
> int length(string)
> {code}



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