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From "Selina Zhang" <seli...@yahoo-inc.com>
Subject Re: Review Request 19373: Limit table partitions involved in a table scan
Date Tue, 25 Mar 2014 21:02:50 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/19373/
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(Updated March 25, 2014, 9:02 p.m.)


Review request for hive and Gunther Hagleitner.


Changes
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Added changes based on the review by Ashutosh.


Bugs: HIVE-6492
    https://issues.apache.org/jira/browse/HIVE-6492


Repository: hive-git


Description
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Introduce a new configure parameter to limit the table partitions involved in a table scan.
It applies to "select *" query and any queries need issue MR jobs. 


Diffs (updated)
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  common/src/java/org/apache/hadoop/hive/conf/HiveConf.java affcbb4 
  ql/src/java/org/apache/hadoop/hive/ql/ErrorMsg.java ecd4c5d 
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/MetadataOnlyOptimizer.java 7f2bb60

  ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java e3291be 
  ql/src/java/org/apache/hadoop/hive/ql/plan/TableScanDesc.java 10bae4d 
  ql/src/test/queries/clientnegative/limit_partition.q PRE-CREATION 
  ql/src/test/queries/clientnegative/limit_partition_stats.q PRE-CREATION 
  ql/src/test/queries/clientpositive/limit_partition_metadataonly.q PRE-CREATION 
  ql/src/test/results/clientnegative/limit_partition.q.out PRE-CREATION 
  ql/src/test/results/clientnegative/limit_partition_stats.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/limit_partition_metadataonly.q.out PRE-CREATION 

Diff: https://reviews.apache.org/r/19373/diff/


Testing
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3 tests are added


Thanks,

Selina Zhang


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