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Posted to issues@spark.apache.org by "Maxim Gekk (JIRA)" <ji...@apache.org> on 2018/08/07 16:57:00 UTC
[jira] [Updated] (SPARK-25048) Pivoting by multiple columns in
Scala/Java
[ https://issues.apache.org/jira/browse/SPARK-25048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Maxim Gekk updated SPARK-25048:
-------------------------------
Summary: Pivoting by multiple columns in Scala/Java (was: Pivoting by multiple columns)
> 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
> Priority: Minor
>
> 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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