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https://reviews.apache.org/r/7222/
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Review request for hive.


Description
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Please see jira for detailed description


This addresses bug HIVE-3493.
    https://issues.apache.org/jira/browse/HIVE-3493


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 33ce6ca 

Diff: https://reviews.apache.org/r/7222/diff/


Testing
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Cannot test TestHBaseMinimrCliDriver, TestHBaseCliDriver, 
TestHBaseNegativeCliDriver, testSynchronized in TestEmbeddedHiveMetaStore, 
testSynchronized in TestRemoteHiveMetaStore, testSynchronized in 
TestSetUGIOnBothClientServer, testSynchronized in TestSetUGIOnOnlyClient, 
testSynchronized in TestSetUGIOnOnlyServer, and 
testNegativeCliDriver_local_mapred_error_cache in TestNegativeCliDriver, since 
trunk failed on these tests on my machine. Also, since trunk will generate a 
different order of results (rows are in a different order) for queries 
skewjoinopt1.q to skewjoinopt5.q, skewjoinopt10.q, skewjoinopt15.q to 
skewjoinopt17.q, and skewjoinopt19.q to skewjoinopt20.q, I cannot test these 
queries on my machine either. All other tests pass.


Thanks,

Yin Huai

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