[
https://issues.apache.org/jira/browse/SPARK-34014?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tanel Kiis resolved SPARK-34014.
--------------------------------
Resolution: Won't Fix
Can cause performance regression
> Ignore Distinct if it is the right child of a left semi or anti join
> --------------------------------------------------------------------
>
> Key: SPARK-34014
> URL: https://issues.apache.org/jira/browse/SPARK-34014
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Tanel Kiis
> Priority: Major
>
> Left semi and anti joins ignore duplicates in the right child. Finding
> distinct values there will only add overhead.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
