[jira] [Commented] (TAJO-1911) Change guava's Optional to Java's Optional.

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TAJO-1911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14944254#comment-14944254 ] 

ASF GitHub Bot commented on TAJO-1911:
--------------------------------------

GitHub user hyunsik opened a pull request:

    https://github.com/apache/tajo/pull/806

    TAJO-1911: Change guava's Optional to Java's Optional.

    

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

    $ git pull https://github.com/hyunsik/tajo TAJO-1911

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

    https://github.com/apache/tajo/pull/806.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 #806
    
----
commit dc78bf636729592164a16a9d8c653bd46ebf0e26
Author: Hyunsik Choi <hy...@apache.org>
Date:   2015-10-05T23:28:20Z

    TAJO-1911: Change guava's Optional to Java's Optional.

----


> Change guava's Optional to Java's Optional.
> -------------------------------------------
>
>                 Key: TAJO-1911
>                 URL: https://issues.apache.org/jira/browse/TAJO-1911
>             Project: Tajo
>          Issue Type: Sub-task
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>            Priority: Trivial
>             Fix For: 0.12.0
>
>
> See the title. This patch changes all Optional of guava to native ones.



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