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https://issues.apache.org/jira/browse/TAJO-308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833970#comment-13833970
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Jihoon Son commented on TAJO-308:
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Thanks for your comment, Hyunsik.
The above comment was just my suggestion.
I think that both ways are reasonable, but it will be better to return NULL
when an input is null to maintain the compatibility of other string functions.
So, I'm sorry to tell hyounjun, the first patch looks good for this issue.
> 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, TAJO-308_1.patch
>
>
> length(string) function returns the number of characters in string.
> {code}
> int length(string)
> {code}
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