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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-14957) HiveSortLimitPullUpConstantsRule misses branches when parent operator is Union
Date Fri, 14 Oct 2016 04:48:20 GMT
Pengcheng Xiong created HIVE-14957:
--------------------------------------

             Summary: HiveSortLimitPullUpConstantsRule misses branches when parent operator
is Union
                 Key: HIVE-14957
                 URL: https://issues.apache.org/jira/browse/HIVE-14957
             Project: Hive
          Issue Type: Sub-task
            Reporter: Pengcheng Xiong
            Assignee: Pengcheng Xiong
         Attachments: HIVE-14957.01.patch

{code}
call.transformTo(parent.copy(parent.getTraitSet(), ImmutableList.of(relBuilder.build())));
{code}
When parent is an union operator which has 2 inputs, the parent.copy will only copy the one
that has SortLimit and ignore the other branches.



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