Review Request 12795: [HIVE-4827] Merge a Map-only job to its following MapReduce job with multiple inputs

[Yin Huai]

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Review request for hive.


Bugs: HIVE-4827
    https://issues.apache.org/jira/browse/HIVE-4827


Repository: hive-git


Description
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https://issues.apache.org/jira/browse/HIVE-4827


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/exec/OperatorUtils.java 66b84ff 
  
ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/CommonJoinTaskDispatcher.java
 f98878c 
  ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java 7cbb1ff 
  ql/src/test/queries/clientpositive/multiMapJoin2.q PRE-CREATION 
  ql/src/test/results/clientpositive/multiMapJoin2.q.out PRE-CREATION 

Diff: https://reviews.apache.org/r/12795/diff/


Testing
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Running tests.


Thanks,

Yin Huai