Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/22309#discussion_r224318955 --- Diff: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/ScalaReflectionSuite.scala --- @@ -108,6 +108,16 @@ object TestingUDT { } } +object TestingValueClass { + case class IntWrapper(i: Int) extends AnyVal + case class StrWrapper(s: String) extends AnyVal + + case class ValueClassData( + intField: Int, + wrappedInt: IntWrapper, + strField: String, + wrappedStr: StrWrapper) --- End diff -- We might need a comment to describe what this class is look like in Java. Seems like it has 2 int fields `intField`, `wrappedInt`, and 2 string fields `strField`, `wrappedStr`. I'm not sure it is the same in Scala 2.12, though.
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