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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-2089) Improve null handling in UDF
Date Mon, 07 Mar 2016 05:46:40 GMT

    [ https://issues.apache.org/jira/browse/TAJO-2089?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15182618#comment-15182618

ASF GitHub Bot commented on TAJO-2089:

GitHub user jinossy opened a pull request:


    TAJO-2089: Improve null handling in UDF.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/jinossy/tajo TAJO-2089

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #972
commit 07b64dec0f904e2a9d0453e46340d4ca6efed318
Author: Jinho Kim <jhkim@apache.org>
Date:   2016-03-07T05:45:47Z

    TAJO-2089: Improve null handling in UDF.


> Improve null handling in UDF
> ----------------------------
>                 Key: TAJO-2089
>                 URL: https://issues.apache.org/jira/browse/TAJO-2089
>             Project: Tajo
>          Issue Type: Improvement
>          Components: Function/UDF
>            Reporter: Jinho Kim
>            Assignee: Jinho Kim
>            Priority: Minor
> A null value should convert to NullDatum in UDF. if not, it throw a TajoInternalError.
Many people mistake the null handling.
> So we add null handling, it would be better

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