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https://reviews.apache.org/r/702/
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Review request for hive.


Summary
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Escape '_' and '%' in the LIKE operands. 


This addresses bug HIVE-2153.
    https://issues.apache.org/jira/browse/HIVE-2153


Diffs
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  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java 1101220 
  
trunk/ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsAggregator.java 
1101220 

Diff: https://reviews.apache.org/r/702/diff


Testing
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passed the stats test suite, also tested it manually on mysql in addition to 
derby. 


Thanks,

Ning

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