Github user sun-rui commented on a diff in the pull request:
https://github.com/apache/spark/pull/9193#discussion_r42595273
--- Diff: core/src/main/scala/org/apache/spark/api/r/RBackendHandler.scala
---
@@ -224,7 +224,8 @@ private[r] class RBackendHandler(server: RBackend)
case _ => parameterType
}
}
- if (!parameterWrapperType.isInstance(args(i))) {
+ if (!(!parameterType.isPrimitive && args(i) == null) &&
+ !parameterWrapperType.isInstance(args(i))) {
--- End diff --
OK. done.
Anyway, I feel painful that Scala does not support 'continue' statement. So
the code here still not so good.
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