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_r395443562
##########
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
+ }
+ }
+
+ /**
+ * Returns the full class name for a type. The returned name is the canonical
+ * Scala name, where each component is separated by a period. It is NOT the
+ * Java-equivalent runtime name (no dollar signs).
+ *
+ * In simple cases, both the Scala and Java names are the same, however when
Scala
+ * generates constructs that do not map to a Java equivalent, such as
singleton objects
+ * or nested classes in package objects, it uses the dollar sign ($) to
create
+ * synthetic classes, emulating behaviour in Java bytecode.
+ */
+ def getClassNameFromType(tpe: `Type`): String = {
Review comment:
I don't know it clearly...just copied from the original one.
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