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https://issues.apache.org/jira/browse/TAJO-29?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14385728#comment-14385728
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Jihoon Son commented on TAJO-29:
--------------------------------
Hi [~dongjoon]. Thank you for starting this issue.
I'd like to advise on progressing an umbrella issue. As you already do,
umbrella issues usually divided into several detailed sub-tasks each of which
is related to only a part of the whole implementation. So, newly implemented
functions in sub-tasks may incur misfunctioning until the whole tasks is
finished. This can cause unexpected errors and might make users confused.
To avoid this situation, you have three choices as follows.
* Progressing sub-tasks in a separate branch. You can freely create a new
branch, and put your implementation on that branch. When you finish all
sub-tasks, your implementation will be merged into the master branch. Please
refer to TAJO-1118.
* Progressing sub-tasks in the master branch. If you choose this option, you
must handle expected errors. For example, after TAJO-1463, the create table
statement with ORC is ok, but the select statement should be prevented from
execution.
* Progressing an unified task rather than dividing into sub-takss. This option
is not recommended when the patch size is large.
> ORCFile integration
> -------------------
>
> Key: TAJO-29
> URL: https://issues.apache.org/jira/browse/TAJO-29
> Project: Tajo
> Issue Type: New Feature
> Components: storage
> Reporter: Hyunsik Choi
> Assignee: Dongjoon Hyun
> Labels: ORC
> Attachments: orc_file.png
>
>
> ORCFile was merged to Hive's trunk. We can also consider the integration of
> ORCFile for Tajo.
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