[jira] [Commented] (TAJO-378) Implement concat_ws function.

["Tajo QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAJO-378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13919110#comment-13919110 ] 

Tajo QA commented on TAJO-378:
------------------------------

{color:red}*-1 overall.*{color}  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12632446/TAJO-378_2.patch
  against master revision f4a9fd1.

    {color:green}+1 @author.{color}  The patch does not contain any @author tags.

    {color:green}+1 tests included.{color}  The patch appears to include 1 new or modified test files.

    {color:green}+1 javac.{color}  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc.{color}  The applied patch does not increase the total number of javadoc warnings.

    {color:green}+1 checkstyle.{color}  The patch generated 0 code style errors.

    {color:red}-1 findbugs.{color}  The patch appears to introduce 184 new Findbugs (version 1.3.9) warnings.

    {color:green}+1 release audit.{color}  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests.{color}  The patch passed unit tests in tajo-core/tajo-core-backend.

Test results: https://builds.apache.org/job/PreCommit-TAJO-Build/179//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-TAJO-Build/179//artifact/incubator-tajo/patchprocess/newPatchFindbugsWarningstajo-core-backend.html
Console output: https://builds.apache.org/job/PreCommit-TAJO-Build/179//console

This message is automatically generated.

> Implement concat_ws function.
> -----------------------------
>
>                 Key: TAJO-378
>                 URL: https://issues.apache.org/jira/browse/TAJO-378
>             Project: Tajo
>          Issue Type: New Feature
>          Components: function/udf
>    Affects Versions: 0.8-incubating
>            Reporter: Seungun Choe
>            Assignee: Seungun Choe
>            Priority: Minor
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-378.patch, TAJO-378_1.patch, TAJO-378_2.patch
>
>
> This function's definition is, concat_ws(sep text, str "any" [, str "any" [, ...] ]).
> For example, concat_ws(',', 'abcde', 2, NULL, 22)'s result is abcde,2,22.
> Detailed description is "Concatenate all but first arguments with separators. The first parameter is used as a separator. NULL arguments are ignored.".  



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