maropu commented on a change in pull request #31477:
URL: https://github.com/apache/spark/pull/31477#discussion_r570709608
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/joins/BroadcastNestedLoopJoinExec.scala
##########
@@ -89,13 +90,20 @@ case class BroadcastNestedLoopJoinExec(
}
}
- @transient private lazy val boundCondition = {
+ private val numMatchedPairs = longMetric("numMatchedPairs")
+
+ @transient private lazy val boundCondition: InternalRow => Boolean =
if (condition.isDefined) {
Review comment:
Ah, I see. What is the merit of being able to see this number for a
user? I read the PR description and, at first, I thought this PR mainly targets
at the case where a `condition` is given.
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