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https://issues.apache.org/jira/browse/TAJO-504?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi resolved TAJO-504.
-------------------------------

    Resolution: Won't Fix

> when inserting to a column partitioned table, if a queryunit attempt fails, 
> an AlreadyExistsStorageException will throw
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: TAJO-504
>                 URL: https://issues.apache.org/jira/browse/TAJO-504
>             Project: Tajo
>          Issue Type: Bug
>          Components: distributed query plan
>            Reporter: Min Zhou
>             Fix For: 0.8-incubating
>
>
> I came across such exception these days.
> ColumnPartitionedTableStoreExec creates hdfs directories based on partition 
> values. For example is one of the partitions is 'col1=2',   a directory named 
> 'col1=2' will be created.   If query unit attempt fails, that directory still 
> exist.  After that TajoQueryMaster start another query unit attempt to 
> reprocessing the logic in ColumnPartitionedTableStoreExec.  This physical 
> executor try to create 'col1=2' again, but before creating, it found the 
> target directory already exist, it will throw an 
> AlreadyExistsStorageException.  And eventually, the query fails.



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