[jira] [Updated] (SPARK-23661) Implement treeAggregate on Dataset API

["Dongjoon Hyun (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-23661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-23661:
----------------------------------
    Affects Version/s:     (was: 2.4.0)
                       3.0.0

> Implement treeAggregate on Dataset API
> --------------------------------------
>
>                 Key: SPARK-23661
>                 URL: https://issues.apache.org/jira/browse/SPARK-23661
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Liang-Chi Hsieh
>            Priority: Major
>
> Many algorithms in MLlib are still not migrated their internal computing workload from {{RDD}} to {{DataFrame}}. {{treeAggregate}} is one of obstacles we need to address in order to see complete migration.
> This ticket is opened to provide {{treeAggregate}} on Dataset API. For now this should be a private API used by ML component.



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