Hemanth Boyina created SPARK-59897:
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Summary: Support filter propagation from both join children in
PlanMerger
Key: SPARK-59897
URL: https://issues.apache.org/jira/browse/SPARK-59897
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 5.0.0, 4.4.0
Reporter: Hemanth Boyina
SPARK-56677 supports merging subqueries when a filter comes from one join
child. When filters come from both children, PlanMerger currently skips the
merge.
Combine the two propagated filters with AND above the join so the subqueries
can share one join execution. Keep existing join safety checks unchanged.
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