Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/15307#discussion_r83060899
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StatefulAggregate.scala
---
@@ -86,7 +93,13 @@ case class StateStoreSaveExec(
child: SparkPlan)
extends execution.UnaryExecNode with StatefulOperator {
+ override lazy val metrics = Map(
--- End diff --
Why is this lazy?
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