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From "Alexis Rondeau (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-474) Support for distinct selection on two or more columns
Date Wed, 06 May 2009 17:26:30 GMT
Support for distinct selection on two or more columns
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                 Key: HIVE-474
                 URL: https://issues.apache.org/jira/browse/HIVE-474
             Project: Hadoop Hive
          Issue Type: Improvement
          Components: Query Processor
            Reporter: Alexis Rondeau


The ability to select distinct several, individual columns as by example: 

select count(distinct user), count(distinct session) from actions;   

Currently returns the following failure: 

FAILED: Error in semantic analysis: line 2:7 DISTINCT on Different Columns not Supported user

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