LuciferYang commented on a change in pull request #35694:
URL: https://github.com/apache/spark/pull/35694#discussion_r823438839
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
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@@ -1690,11 +1690,10 @@ object PushPredicateThroughNonJoin extends
Rule[LogicalPlan] with PredicateHelpe
*/
private def canPushThroughCondition(plan: LogicalPlan, condition:
Expression): Boolean = {
val attributes = plan.outputSet
- val matched = condition.find {
- case s: SubqueryExpression =>
s.plan.outputSet.intersect(attributes).nonEmpty
- case _ => false
+ condition.exists {
Review comment:
hmm... there is something wrong with this derivation process
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