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https://reviews.apache.org/r/33837/
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Review request for hive, Gopal V, Gunther Hagleitner, and Navis Ryu.
Bugs: HIVE-10607
https://issues.apache.org/jira/browse/HIVE-10607
Repository: hive-git
Description
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Combination of ReducesinkDedup + TopN optimization yields incorrect result if
there are multiple GBY in reducer
Diffs
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/LimitPushdownOptimizer.java
f80941e
ql/src/test/queries/clientpositive/limit_pushdown.q d93e246
ql/src/test/results/clientpositive/limit_pushdown.q.out c7ab7b3
ql/src/test/results/clientpositive/tez/limit_pushdown.q.out 952d7ff
Diff: https://reviews.apache.org/r/33837/diff/
Testing
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Added new test.
Thanks,
Ashutosh Chauhan
