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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/10/06 18:23:00 UTC
[jira] [Commented] (SPARK-36114) Support subqueries with correlated non-equality predicates
[ https://issues.apache.org/jira/browse/SPARK-36114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17613744#comment-17613744 ]
Apache Spark commented on SPARK-36114:
--------------------------------------
User 'allisonwang-db' has created a pull request for this issue:
https://github.com/apache/spark/pull/38135
> Support subqueries with correlated non-equality predicates
> ----------------------------------------------------------
>
> Key: SPARK-36114
> URL: https://issues.apache.org/jira/browse/SPARK-36114
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Allison Wang
> Priority: Major
>
> The new decorrelation framework is able to support subqueries with non-equality predicates. For example:
> SELECT * FROM t1 WHERE c1 = (SELECT SUM(c1) FROM t2 WHERE t1.c2 > t2.c2)
> The restrictions in CheckAnlysis can be removed.
>
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