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Posted to dev@hive.apache.org by "Prasanth J (JIRA)" <ji...@apache.org> on 2014/04/22 23:16:16 UTC

[jira] [Created] (HIVE-6956) Duplicate partitioning column for union when dynamic partition sort optimization is enabled

Prasanth J created HIVE-6956:
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             Summary: Duplicate partitioning column for union when dynamic partition sort optimization is enabled
                 Key: HIVE-6956
                 URL: https://issues.apache.org/jira/browse/HIVE-6956
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.13.0, 0.14.0
            Reporter: Prasanth J
            Assignee: Prasanth J


HIVE-6455 optimization uses PreOrder graph walker resulting in double invocation of SortedDynPartitionOptimizer(). Because of this there are duplicate partitioning columns in RSOp for few test cases (union_remove_17.q and similar test cases..)..

HIVE-6455 optimization does not actually need a PreOrder graph walker. The fix is to revert it to DefaultGraphWalker.



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