[
https://issues.apache.org/jira/browse/SPARK-49653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wenchen Fan resolved SPARK-49653.
---------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 48145
[https://github.com/apache/spark/pull/48145]
> Support single joins for full scalar subquery decorrelation
> -----------------------------------------------------------
>
> Key: SPARK-49653
> URL: https://issues.apache.org/jira/browse/SPARK-49653
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Andrey Gubichev
> Assignee: Andrey Gubichev
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> We should introduce Single join operator to fully support scalar subqueries.
> The operator would ensure that the scalar subquery returns at most 1 row and
> issue a runtime error otherwise.
> Design doc:
> https://docs.google.com/document/d/1NTsvtBTB9XvvyRvH62QzWIZuw4hXktALUG1fBP7ha1Q/edit
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
