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https://issues.apache.org/jira/browse/TAJO-1194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14234086#comment-14234086
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Hudson commented on TAJO-1194:
------------------------------
SUCCESS: Integrated in Tajo-master-build #481 (See
[https://builds.apache.org/job/Tajo-master-build/481/])
TAJO-1194: 'INSERT OVERWRITE .. SELECT' does not remove existing data when
result is empty. (jaehwa) (blrunner: rev
f6da07b03587d2bce5ca4ac53d86eae3a8ba23c2)
* CHANGES
* tajo-core/src/main/java/org/apache/tajo/master/querymaster/Query.java
* tajo-core/src/test/java/org/apache/tajo/engine/query/TestTablePartitions.java
> 'INSERT OVERWRITE .. SELECT' does not remove existing data when result is
> empty.
> --------------------------------------------------------------------------------
>
> Key: TAJO-1194
> URL: https://issues.apache.org/jira/browse/TAJO-1194
> Project: Tajo
> Issue Type: Bug
> Components: distributed query plan
> Reporter: Hyunsik Choi
> Assignee: Jaehwa Jung
> Priority: Critical
> Fix For: 0.9.1
>
>
> *Background*
> {{INSERT OVERWRITE INTO XXX SELECT ... FROM Y}} overwrites only the
> partitions which corresponds to the query results. If the query result is
> empty, all partitions should be removed.
> *Problem*
> The current implementation does not remove any partition if the query result
> is empty.
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