Swinky opened a new pull request #31712:
URL: https://github.com/apache/spark/pull/31712
### What changes were proposed in this pull request?
RewritePredicateSubquery Rule must not update Filters without subqueries.
Following is one such example.
`=== Applying Rule
org.apache.spark.sql.catalyst.optimizer.RewritePredicateSubquery ===
Project [a#0]
Project [a#0]
!+- Filter (((a#0 > 1) OR (b#1 > 2)) AND ((c#2 > 1) AND (d#3 > 2))) +-
Filter ((((a#0 > 1) OR (b#1 > 2)) AND (c#2 > 1)) AND (d#3 > 2))
+- LocalRelation <empty>, [a#0, b#1, c#2, d#3] +-
LocalRelation <empty>, [a#0, b#1, c#2, d#3]
`
### Why are the changes needed?
minor change.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Existing UTs pass.
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