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From "Maryann Xue (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-24162) Support aliased literal values for Pivot "IN" clause
Date Wed, 02 May 2018 23:43:00 GMT
Maryann Xue created SPARK-24162:
-----------------------------------

             Summary: Support aliased literal values for Pivot "IN" clause
                 Key: SPARK-24162
                 URL: https://issues.apache.org/jira/browse/SPARK-24162
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.3.0
            Reporter: Maryann Xue


This is part of a functionality extension to Pivot SQL support as SPARK-24035.

When literal values are specified in Pivot IN clause, it would be nice to allow aliases for
those values so that the output column names can be customized. For example:
{code:java}
SELECT * FROM (
  SELECT year, course, earnings FROM courseSales
)
PIVOT (
  sum(earnings)
  FOR course IN ('dotNET' as c1, 'Java' as c2)
);{code}



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