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https://issues.apache.org/jira/browse/SPARK-45606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiaan Geng resolved SPARK-45606.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 43449
[https://github.com/apache/spark/pull/43449]
> Release restrictions on multi-layer runtime filter
> --------------------------------------------------
>
> Key: SPARK-45606
> URL: https://issues.apache.org/jira/browse/SPARK-45606
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 4.0.0
> Reporter: Jiaan Geng
> Assignee: Jiaan Geng
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> Before https://issues.apache.org/jira/browse/SPARK-41674, Spark only supports
> insert runtime filter for application side of shuffle join on single-layer.
> Considered it's not worth to insert more runtime filter if one side of the
> shuffle join already exists runtime filter, Spark restricts it.
> After https://issues.apache.org/jira/browse/SPARK-41674, Spark supports
> insert runtime filter for one side of any shuffle join on multi-layer. But
> the restrictions on multi-layer runtime filter looks outdated.
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