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From cheng xu <>
Subject Re: Review Request 48716: HIVE-13873 Column pruning for nested fields
Date Fri, 08 Jul 2016 01:35:34 GMT

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(Updated July 8, 2016, 9:35 a.m.)

Review request for hive and Xuefu Zhang.


Changes include:
1. skip isList cases and add TODO for the next step
2. add more tests
3. address some comments from Aihua

Bugs: HIVE-13873

Repository: hive-git


Add group projection support for Parquet and this is the initial patch sharing my thoughts.

Diffs (updated)

  ql/src/java/org/apache/hadoop/hive/ql/exec/ dff1815 
  ql/src/java/org/apache/hadoop/hive/ql/exec/ 57b6c67 
  ql/src/java/org/apache/hadoop/hive/ql/exec/ 6afe957 
  ql/src/java/org/apache/hadoop/hive/ql/exec/mr/ 23a13d6 
  ql/src/java/org/apache/hadoop/hive/ql/io/ 227a051 
  ql/src/java/org/apache/hadoop/hive/ql/io/parquet/ db923fa 
  ql/src/java/org/apache/hadoop/hive/ql/io/parquet/convert/ a89aa4d

  ql/src/java/org/apache/hadoop/hive/ql/io/parquet/read/ 3e38cc7

  ql/src/java/org/apache/hadoop/hive/ql/optimizer/ 611a6b7 
  ql/src/java/org/apache/hadoop/hive/ql/optimizer/ a2a7f00 
  ql/src/java/org/apache/hadoop/hive/ql/plan/ 8cf261d 
  ql/src/test/queries/clientpositive/parquet_nested_field_pruning.q PRE-CREATION 
  ql/src/test/results/clientpositive/parquet_nested_field_pruning.q.out PRE-CREATION 
  serde/src/java/org/apache/hadoop/hive/serde2/ 0c7ac30 



Newly added qtest passed.


cheng xu

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