Jiaan Geng created SPARK-45606:
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Summary: 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
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restrictions on multi-layer runtime filter looks outdated.
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