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From "Hyukjin Kwon (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SPARK-25048) Pivoting by multiple columns in Scala/Java
Date Sat, 29 Sep 2018 13:52:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-25048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyukjin Kwon resolved SPARK-25048.
----------------------------------
       Resolution: Fixed
    Fix Version/s: 2.5.0

Issue resolved by pull request 22316
[https://github.com/apache/spark/pull/22316]

> Pivoting by multiple columns in Scala/Java
> ------------------------------------------
>
>                 Key: SPARK-25048
>                 URL: https://issues.apache.org/jira/browse/SPARK-25048
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.3.1
>            Reporter: Maxim Gekk
>            Assignee: Maxim Gekk
>            Priority: Minor
>             Fix For: 2.5.0
>
>
> Need to change or extend existing API to make pivoting by multiple columns possible.
Users should be able to use many columns and values like in the example:
> {code:scala}
> trainingSales
>       .groupBy($"sales.year")
>       .pivot(struct(lower($"sales.course"), $"training"), Seq(
>         struct(lit("dotnet"), lit("Experts")),
>         struct(lit("java"), lit("Dummies")))
>       ).agg(sum($"sales.earnings"))
> {code}



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