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https://issues.apache.org/jira/browse/TAJO-144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13757247#comment-13757247
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Hyunsik Choi commented on TAJO-144:
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Thank you for your finding. I'll dig into this problem.
> Implement INSERT OVERWRITE clause
> ---------------------------------
>
> Key: TAJO-144
> URL: https://issues.apache.org/jira/browse/TAJO-144
> Project: Tajo
> Issue Type: New Feature
> Components: planner/optimizer
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Fix For: 0.2-incubating
>
> Attachments: TAJO-144.patch
>
>
> 'INSERT INTO' appends data into existing table. In contrast, 'INSERT
> OVERWRITE' will overwrite existing table data. It is used as an idiom in
> analytical fields based HDFS. We need it.
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