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https://issues.apache.org/jira/browse/TAJO-711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13970501#comment-13970501
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Hyunsik Choi commented on TAJO-711:
-----------------------------------

Currently, Tajo does not support nested schema. Due to some reasons, we should 
specify schemas of avro tables via {{WITH}} clause. Later, we can make the 
schema specification way better by converting Tajo schema into avro schema. 
Also, it would be completed when Tajo supports directly nested schemas and 
non-scalar data types.

> Add Avro storage support
> ------------------------
>
>                 Key: TAJO-711
>                 URL: https://issues.apache.org/jira/browse/TAJO-711
>             Project: Tajo
>          Issue Type: New Feature
>            Reporter: David Chen
>            Assignee: David Chen
>         Attachments: TAJO-711.patch, TAJO-711.patch, 
> TAJO-711_140415_rebased.patch, TAJO-711_20140413_20:36:40.patch, 
> TAJO-711_20140413_21:00:34.patch, TAJO-711_20140413_21:46:27.patch, 
> TAJO-711_20140414_11:07:13.patch, TAJO-711_20140415_11:13:43.patch
>
>
> Add {{FileScanner}} and {{FileAppender}} for reading from and writing to Avro.



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