Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22309#discussion_r228783130
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
---
@@ -184,7 +193,8 @@ object ScalaReflection extends ScalaReflection {
private def deserializerFor(
tpe: `Type`,
path: Expression,
- walkedTypePath: Seq[String]): Expression = cleanUpReflectionObjects {
+ walkedTypePath: Seq[String],
+ lastType: Option[Type]): Expression = cleanUpReflectionObjects {
--- End diff --
can we add parameter doc for it?
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