Ngone51 commented on a change in pull request #27959: [SPARK-31190][SQL]
ScalaReflection should erasure non user defined AnyVal type
URL: https://github.com/apache/spark/pull/27959#discussion_r395403884
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
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@@ -611,10 +611,33 @@ object ScalaReflection extends ScalaReflection {
}
}
+ private def erasure(tpe: Type): Type = {
+ if (isSubtype(tpe, localTypeOf[AnyVal]) &&
!tpe.toString.startsWith("scala")) {
+ tpe
+ } else {
+ tpe.erasure
Review comment:
Basically, it convert a Scala type to Java type. e.g. `scala.Any` ->
`java.lang.Object`.
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