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https://issues.apache.org/jira/browse/TAJO-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15007849#comment-15007849
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ASF GitHub Bot commented on TAJO-1979:
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Github user dkhwangbo commented on the pull request:
https://github.com/apache/tajo/pull/862#issuecomment-157240753
@blrunner Thanks for your review. I found another bug that ```getUsage()```
has no usage in whole TAJO, so I have no idea about making unit test cases.
```TajoShellCommand::printHelp()``` needs ```getUsage()``` but It's omitted.
After resolve this issue in another ticket, I add unit test cases relate of
this PR using shell command like ```TestTajoCli::testTimeZoneSessionVars1()```.
> Usage of some TajoShellCommand is omitted
> -----------------------------------------
>
> Key: TAJO-1979
> URL: https://issues.apache.org/jira/browse/TAJO-1979
> Project: Tajo
> Issue Type: Improvement
> Reporter: Dongkyu Hwangbo
> Assignee: Dongkyu Hwangbo
> Priority: Trivial
> Labels: newbie
>
> I found that Usage of some TajoShellCommand is omitted.
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