[jira] [Commented] (SPARK-17177) Make grouping columns accessible from RelationalGroupedDataset

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-17177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15429903#comment-15429903 ] 

Apache Spark commented on SPARK-17177:
--------------------------------------

User 'NarineK' has created a pull request for this issue:
https://github.com/apache/spark/pull/14742

> Make grouping columns accessible from RelationalGroupedDataset
> --------------------------------------------------------------
>
>                 Key: SPARK-17177
>                 URL: https://issues.apache.org/jira/browse/SPARK-17177
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>            Reporter: Narine Kokhlikyan
>            Priority: Minor
>
> Currently, once we create `RelationalGroupedDataset`, we cannot access the grouping columns from its instance.
> Analog to `Dataset` we can have a public method which returns the list of grouping columns. 
> https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/Dataset.scala#L457
> This can be useful for instance in SparkR when we want to have certain logic associated with the grouping columns, accessible from `RelationalGroupedDataset`.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org