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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-101) HiveQL converter
Date Mon, 09 Sep 2013 07:22:51 GMT

    [ https://issues.apache.org/jira/browse/TAJO-101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13761668#comment-13761668
] 

Hyunsik Choi commented on TAJO-101:
-----------------------------------

I've leaved several comments on the reviewboard.
https://reviews.apache.org/r/14031/

The patch looks great overall. But, some SQL files look duplicated to existing SQL file, and
you need to remove some comments automatically generated by IDE. Also, it would be good to
rename queries/hive/\*.sql to queries/hive/\*.hiveql (or \*.hql) in order to distinguish Tajo's
files and Hive's files.
                
> HiveQL converter
> ----------------
>
>                 Key: TAJO-101
>                 URL: https://issues.apache.org/jira/browse/TAJO-101
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: JaeHwa Jung
>            Assignee: JaeHwa Jung
>         Attachments: TAJO-101_2.patch, TAJO-101.patch
>
>
> I hit a new idea when I see tajo-algebra issue. Many users use Hive to analysis big data.
If Hive user can use HiveQL, they can easily use Tajo. 
> For this work, I'll borrow HQL grammar from Hive and change to support ANTLR4 specification,
and we should develop a HiveQL parser to use tajo-algebra.

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