HyukjinKwon commented on a change in pull request #35878:
URL: https://github.com/apache/spark/pull/35878#discussion_r833882221
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala
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@@ -128,6 +128,9 @@ trait PredicateHelper extends AliasHelper with Logging {
def findExpressionAndTrackLineageDown(
exp: Expression,
plan: LogicalPlan): Option[(Expression, LogicalPlan)] = {
+ if (exp.references.isEmpty) {
+ return None
+ }
Review comment:
no biggie
```suggestion
if (exp.references.isEmpty) return None
```
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