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https://reviews.apache.org/r/13186/
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Review request for pig.


Bugs: PIG-3395
    https://issues.apache.org/jira/browse/PIG-3395


Repository: pig-git


Description
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Refactors PColFilterExtractor so that a large filter expression can be 
processed w/ reasonable heap size. Currently, a large filter expression that 
consists of more than 50 or/and expressions chokes Pig.


Diffs
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  src/org/apache/pig/newplan/PColFilterExtractor.java 32ba788 
  test/org/apache/pig/test/TestPartitionFilterPushDown.java b6b26f4 

Diff: https://reviews.apache.org/r/13186/diff/


Testing
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Adds new test cases to TestPartitionFilterPushDown.

All unit tests pass.


Thanks,

Cheolsoo Park

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