[
https://issues.apache.org/jira/browse/SPARK-11878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Michael Armbrust resolved SPARK-11878.
--------------------------------------
Resolution: Fixed
Assignee: Yash Datta
Fix Version/s: 2.0.0
> Eliminate distribute by in case group by is present with exactly the same
> grouping expressions
> ----------------------------------------------------------------------------------------------
>
> Key: SPARK-11878
> URL: https://issues.apache.org/jira/browse/SPARK-11878
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Yash Datta
> Assignee: Yash Datta
> Priority: Minor
> Fix For: 2.0.0
>
>
> For queries like :
> select <> from table group by a distribute by a
> we can eliminate distribute by ; since group by will anyways do a hash
> partitioning
> Also applicable when user uses Dataframe API but the number of partitions in
> RepartitionByExpression is not specified (None)
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
