GitHub user dkhwangbo opened a pull request:
https://github.com/apache/tajo/pull/863
TAJO-1980: Printout the usage of TajoShellCommand
```TajoShellCommand::getUsage()``` is designed for
```TajoShellCommand::printHelp()``` to printout detailed-usage like
```TajoShellCommand::getDescription()```. But, Currently, It's omitted in
```TajoShellCommand::printHelp()```, so ```TajoShellCommand::getUsage()``` has
no usage.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dkhwangbo/tajo TAJO-1980
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/tajo/pull/863.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #863
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commit f49ae4bd8eef17397d5d1f965abfe4efea5e5d16
Author: Dongkyu Hwangbo <[email protected]>
Date: 2015-11-17T08:36:01Z
initial commit
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