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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/7126/
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(Updated Nov. 12, 2012, 10:21 p.m.)


Review request for hive.


Changes
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update patch for the latest trunk


Description
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This optimizer exploits intra-query correlations and merges multiple correlated 
MapReduce jobs into one jobs. Open a new request since I have been working on 
hive-git.


This addresses bug HIVE-2206.
    https://issues.apache.org/jira/browse/HIVE-2206


Diffs (updated)
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  common/src/java/org/apache/hadoop/hive/conf/HiveConf.java ca33fc1 
  conf/hive-default.xml.template f332f3a 
  
ql/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/ql/plan/api/OperatorType.java
 7c4c413 
  ql/src/java/org/apache/hadoop/hive/ql/exec/BaseReduceSinkOperator.java 
PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/exec/CorrelationCompositeOperator.java 
PRE-CREATION 
  
ql/src/java/org/apache/hadoop/hive/ql/exec/CorrelationLocalSimulativeReduceSinkOperator.java
 PRE-CREATION 
  
ql/src/java/org/apache/hadoop/hive/ql/exec/CorrelationReducerDispatchOperator.java
 PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/exec/ExecReducer.java 18a9bd2 
  ql/src/java/org/apache/hadoop/hive/ql/exec/GroupByOperator.java 46daeb2 
  ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java 68302f8 
  ql/src/java/org/apache/hadoop/hive/ql/exec/OperatorFactory.java 0c22141 
  ql/src/java/org/apache/hadoop/hive/ql/exec/ReduceSinkOperator.java 919a140 
  ql/src/java/org/apache/hadoop/hive/ql/exec/TableScanOperator.java 1469325 
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/CorrelationOptimizer.java 
PRE-CREATION 
  
ql/src/java/org/apache/hadoop/hive/ql/optimizer/CorrelationOptimizerUtils.java 
PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMapRedUtils.java edde378 
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/Optimizer.java d1555e2 
  ql/src/java/org/apache/hadoop/hive/ql/parse/ParseContext.java 2bf284d 
  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 53c5b21 
  ql/src/java/org/apache/hadoop/hive/ql/plan/BaseReduceSinkDesc.java 
PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/plan/CorrelationCompositeDesc.java 
PRE-CREATION 
  
ql/src/java/org/apache/hadoop/hive/ql/plan/CorrelationLocalSimulativeReduceSinkDesc.java
 PRE-CREATION 
  
ql/src/java/org/apache/hadoop/hive/ql/plan/CorrelationReducerDispatchDesc.java 
PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java 5a9f064 
  ql/src/java/org/apache/hadoop/hive/ql/plan/ReduceSinkDesc.java b33d616 
  ql/src/java/org/apache/hadoop/hive/ql/plan/TableScanDesc.java 9a95efd 
  ql/src/test/org/apache/hadoop/hive/ql/exec/TestExecDriver.java 6f8bc47 
  ql/src/test/queries/clientpositive/correlationoptimizer1.q PRE-CREATION 
  ql/src/test/queries/clientpositive/correlationoptimizer2.q PRE-CREATION 
  ql/src/test/queries/clientpositive/correlationoptimizer3.q PRE-CREATION 
  ql/src/test/queries/clientpositive/correlationoptimizer4.q PRE-CREATION 
  ql/src/test/queries/clientpositive/correlationoptimizer5.q PRE-CREATION 
  ql/src/test/results/clientpositive/correlationoptimizer1.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/correlationoptimizer2.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/correlationoptimizer3.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/correlationoptimizer4.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/correlationoptimizer5.q.out PRE-CREATION 
  ql/src/test/results/compiler/plan/groupby1.q.xml cd0d6e4 
  ql/src/test/results/compiler/plan/groupby2.q.xml 7b07f02 
  ql/src/test/results/compiler/plan/groupby3.q.xml a6a1986 
  ql/src/test/results/compiler/plan/groupby5.q.xml 25e3583 

Diff: https://reviews.apache.org/r/7126/diff/


Testing
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All tests pass.


Thanks,

Yin Huai

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