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From "Suhas Satish" <suhas.sat...@gmail.com>
Subject Re: Review Request 27640: HIVE-8700 Replace ReduceSink to HashTableSink (or equi.) for small tables [Spark Branch]
Date Wed, 05 Nov 2014 20:29:27 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/27640/
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(Updated Nov. 5, 2014, 8:29 p.m.)


Review request for hive, Chao Sun, Jimmy Xiang, Szehon Ho, and Xuefu Zhang.


Summary (updated)
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HIVE-8700 Replace ReduceSink to HashTableSink (or equi.) for small tables [Spark Branch]


Repository: hive-git


Description
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This replaces ReduceSinks with HashTableSinks in smaller tables for a map-join. But the condition
check field to detect map-join is actually being set in CommonJoinResolver, which doesnt exist
yet. We need to decide where is the right place to populate this field. 


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/SparkMapJoinResolver.java PRE-CREATION

  ql/src/java/org/apache/hadoop/hive/ql/parse/spark/SparkCompiler.java 795a5d7 

Diff: https://reviews.apache.org/r/27640/diff/


Testing
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Thanks,

Suhas Satish


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