cloud-fan commented on code in PR #49190:
URL: https://github.com/apache/spark/pull/49190#discussion_r1886156481
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sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/udaf.scala:
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@@ -519,6 +519,7 @@ case class ScalaAggregator[IN, BUF, OUT](
def withNewInputAggBufferOffset(newInputAggBufferOffset: Int):
ScalaAggregator[IN, BUF, OUT] =
copy(inputAggBufferOffset = newInputAggBufferOffset)
+ @transient
private[this] lazy val inputProjection = UnsafeProjection.create(children)
Review Comment:
there are some other lazy vals in this class, why only this field is an
issue?
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