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From "wangfei (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-5583) Support unique join in hive context
Date Wed, 04 Feb 2015 03:54:34 GMT
wangfei created SPARK-5583:
------------------------------

             Summary: Support unique join in hive context
                 Key: SPARK-5583
                 URL: https://issues.apache.org/jira/browse/SPARK-5583
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 1.2.0
            Reporter: wangfei


Support unique join in hive context:

FROM UNIQUEJOIN PRESERVE T1 a (a.key), PRESERVE T2 b (b.key), PRESERVE T3 c (c.key)
SELECT a.key, b.key, c.key;




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