Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22708#discussion_r225118613
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/JavaTypeInference.scala
---
@@ -271,32 +272,41 @@ object JavaTypeInference {
case c if listType.isAssignableFrom(typeToken) =>
val et = elementType(typeToken)
- MapObjects(
+ UnresolvedMapObjects(
--- End diff --
can we exclude other changes except this one? This one is very easy to
reason about. We did the same thing in `ScalaReflection.`
We need more time to think about the map case, and fix it in
`ScalaReflection` as well.
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