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From "Harish Butani" <>
Subject Re: Review Request 18293: HIVE-6393: Support unqualified column references in Joining conditions
Date Sun, 23 Feb 2014 03:28:42 GMT

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(Updated Feb. 23, 2014, 3:28 a.m.)

Review request for hive, Ashutosh Chauhan and Gunther Hagleitner.


fix .out files

Bugs: HIVE-6393

Repository: hive-git


Support queries of the form:

create table r1(a int);
create table r2(b);
select a, b
from r1 join r2 on a = b

This becomes more useful in old style syntax:

select a, b
from r1, r2
where a = b

Diffs (updated)

  ql/src/java/org/apache/hadoop/hive/ql/parse/ a01aa0e 
  ql/src/test/org/apache/hadoop/hive/ql/parse/ 9e77949 
  ql/src/test/queries/clientpositive/join_cond_pushdown_unqual1.q PRE-CREATION 
  ql/src/test/queries/clientpositive/join_cond_pushdown_unqual2.q PRE-CREATION 
  ql/src/test/queries/clientpositive/join_cond_pushdown_unqual3.q PRE-CREATION 
  ql/src/test/queries/clientpositive/join_cond_pushdown_unqual4.q PRE-CREATION 
  ql/src/test/queries/clientpositive/subquery_unqualcolumnrefs.q PRE-CREATION 
  ql/src/test/results/clientpositive/join_cond_pushdown_unqual1.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/join_cond_pushdown_unqual2.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/join_cond_pushdown_unqual3.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/join_cond_pushdown_unqual4.q.out PRE-CREATION 
  ql/src/test/results/clientpositive/subquery_unqualcolumnrefs.q.out PRE-CREATION 



added new tests
ran all existing join tests


Harish Butani

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