[jira] [Assigned] (SPARK-37716) Allow LateralJoin node to host non-deterministic expressions when the outer query is a single row relation

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

     [ https://issues.apache.org/jira/browse/SPARK-37716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wenchen Fan reassigned SPARK-37716:
-----------------------------------

    Assignee: Allison Wang

> Allow LateralJoin node to host non-deterministic expressions when the outer query is a single row relation
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-37716
>                 URL: https://issues.apache.org/jira/browse/SPARK-37716
>             Project: Spark
>          Issue Type: Task
>          Components: SQL
>    Affects Versions: 3.2.1
>            Reporter: Allison Wang
>            Assignee: Allison Wang
>            Priority: Major
>
> After https://issues.apache.org/jira/browse/SPARK-37199, Analyzer will block LateralJoin that has non-deterministic lateral subqueries. But when the outer query is a single row relation, this should be allowed
> For example:
> Query:
> {code:java}
> SELECT * FROM VALUES(0) t(x) JOIN LATERAL (SELECT rand(0) + x AS y); {code}
> Result:
> {code:java}
> org.apache.spark.sql.AnalysisException: nondeterministic expressions are only allowed in
> Project, Filter, Aggregate or Window{code}
>  



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