[jira] [Resolved] (SPARK-49653) Support single joins for full scalar subquery decorrelation

["Wenchen Fan (Jira)" <ji...@apache.org>]

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