Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/22812#discussion_r228380982
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/encoders/ExpressionEncoder.scala
---
@@ -216,7 +215,6 @@ case class ExpressionEncoder[T](
}
nullSafeSerializer match {
case If(_: IsNull, _, s: CreateNamedStruct) => s
- case s: CreateNamedStruct => s
--- End diff --
Thanks!
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