[jira] [Created] (TAJO-754) failure of INSERT INTO may remove the target table.

[Hyunsik Choi (JIRA)]

Hyunsik Choi created TAJO-754:
---------------------------------

             Summary: 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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