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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2019/10/08 05:44:11 UTC

[jira] [Resolved] (SPARK-22741) Add global aggregate for typed aggregation

     [ https://issues.apache.org/jira/browse/SPARK-22741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-22741.
----------------------------------
    Resolution: Incomplete

> Add global aggregate for typed aggregation
> ------------------------------------------
>
>                 Key: SPARK-22741
>                 URL: https://issues.apache.org/jira/browse/SPARK-22741
>             Project: Spark
>          Issue Type: New Feature
>          Components: Spark Core
>    Affects Versions: 2.3.0
>            Reporter: Ruben Janssen
>            Priority: Major
>              Labels: bulk-closed
>
> A global aggregate for typed aggregation is currently missing. When an aggregation on a dataset is currently called, it is a relational aggregation which actually calls groupBy().agg, so the returned type is Row instead of Scala objects.
> This is blocking other features such as SPARK-20890, because we want to be able to return Option for min/max functions.



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