cloud-fan commented on a change in pull request #23651: [SPARK-26730][SQL]
Strip redundant AssertNotNull for ExpressionEncoder's serializer
URL: https://github.com/apache/spark/pull/23651#discussion_r251888135
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala
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@@ -192,6 +192,9 @@ case class ExpressionEncoder[T](
if (isSerializedAsStructForTopLevel) {
val nullSafeSerializer = objSerializer.transformUp {
+ case _ @ AssertNotNull(a: AssertNotNull, _) =>
+ // strip redundant AssertNotNull
+ a
case r: BoundReference =>
Review comment:
it's ok and it will be replaced by `top level Product or row object`, which
is more corrected to me.
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