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https://issues.apache.org/jira/browse/SPARK-24162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-24162.
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Resolution: Incomplete
> 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: Wei Xue
> Assignee: Wei Xue
> Priority: Minor
> Labels: bulk-closed
>
> 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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