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https://issues.apache.org/jira/browse/TAJO-207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13835624#comment-13835624
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Hyunsik Choi commented on TAJO-207:
-----------------------------------
First of all, thank you for your participation.
In overall, the patch looks good to me. But, we need to use datum.asByteArray()
instead of datum.asChars() because *datum.asChars().length()* just counts a
multiple bytes character as 1. In contrast, we need bit length.
{code}
return DatumFactory.createInt4(datum.asChars().length()*8);
{code}
> Implement bit_length(string) function
> -------------------------------------
>
> Key: TAJO-207
> URL: https://issues.apache.org/jira/browse/TAJO-207
> Project: Tajo
> Issue Type: Sub-task
> Components: operator/function/udf
> Reporter: Hyunsik Choi
> Assignee: DaeMyung Kang
> Priority: Minor
> Labels: newbie
> Fix For: 0.8-incubating
>
> Attachments: TAJO-207.patch
>
>
> See the title.
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