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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