[
https://issues.apache.org/jira/browse/SPARK-46683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun updated SPARK-46683:
----------------------------------
Component/s: Tests
> Write a subquery generator that generates subqueries of different variations
> to increase testing coverage in this area
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-46683
> URL: https://issues.apache.org/jira/browse/SPARK-46683
> Project: Spark
> Issue Type: Sub-task
> Components: Optimizer, SQL, Tests
> Affects Versions: 3.5.1
> Reporter: Andy Lam
> Assignee: Andy Lam
> Priority: Major
> Fix For: 4.0.0
>
>
> There are a lot of subquery correctness issues, ranging from very old bugs to
> new ones that are being introduced due to work being done on subquery
> correlation optimization. This is especially in the areas of COUNT bugs and
> null behaviors.
> To increase test coverage and robustness in this area, we want to write a
> subquery generator that writes variations of subqueries, producing SQL tests
> that also run against Postgres (from my work in SPARK-46179).
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
