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https://issues.apache.org/jira/browse/TAJO-754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13966234#comment-13966234
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Jaehwa Jung commented on TAJO-754:
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+1.
Push it. :)
> failure of INSERT INTO may remove the target table.
> ---------------------------------------------------
>
> Key: TAJO-754
> URL: https://issues.apache.org/jira/browse/TAJO-754
> Project: Tajo
> Issue Type: Bug
> Components: query master
> Affects Versions: 0.8-incubating, 1.0-incubating
> Reporter: Hyunsik Choi
> Assignee: Hyunsik Choi
> Priority: Critical
> Fix For: 0.8-incubating, 1.0-incubating
>
> Attachments: TAJO-754.patch
>
>
> Currently, INSERT INTO is not supported yet. But, the failure of INSERT INTO
> may remove the target table. This is a critical bug.
> {noformat}
> default> insert into table4 (id, name) select l_orderkey::int4, l_returnflag
> from tpch.lineitem;
> Internal error!
> java.io.IOException: The output directory
> 'hdfs://127.0.0.1:8020/tajo/warehouse/default/table4 already exists.
> at
> org.apache.tajo.master.querymaster.QueryMasterTask.initStagingDir(QueryMasterTask.java:412)
> at
> org.apache.tajo.master.querymaster.QueryMasterTask.init(QueryMasterTask.java:154)
> at
> org.apache.tajo.master.querymaster.QueryMaster$QueryStartEventHandler.handle(QueryMaster.java:379)
> at
> org.apache.tajo.master.querymaster.QueryMaster$QueryStartEventHandler.handle(QueryMaster.java:372)
> at
> org.apache.tajo.master.TajoAsyncDispatcher.dispatch(TajoAsyncDispatcher.java:137)
> at
> org.apache.tajo.master.TajoAsyncDispatcher$1.run(TajoAsyncDispatcher.java:79)
> at java.lang.Thread.run(Thread.java:744)
> {noformat}
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