LuciferYang commented on a change in pull request #35662:
URL: https://github.com/apache/spark/pull/35662#discussion_r836081212
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/EquivalentExpressions.scala
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@@ -147,7 +147,7 @@ class EquivalentExpressions {
expr.find(_.isInstanceOf[LambdaVariable]).isDefined ||
// `PlanExpression` wraps query plan. To compare query plans of
`PlanExpression` on executor,
// can cause error like NPE.
- (expr.isInstanceOf[PlanExpression[_]] && TaskContext.get != null)
+ (expr.find(_.isInstanceOf[PlanExpression[_]]).isDefined &&
TaskContext.get != null)
Review comment:
@monkeyboy123 we can replace
`expr.find(_.isInstanceOf[PlanExpression[_]]).isDefined` with `TreeNode.exists`
api now
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