Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/20219#discussion_r160990065
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/ScalaReflectionSuite.scala
---
@@ -356,4 +356,13 @@ class ScalaReflectionSuite extends SparkFunSuite {
assert(deserializerFor[Int].isInstanceOf[AssertNotNull])
assert(!deserializerFor[String].isInstanceOf[AssertNotNull])
}
+
+ test("SPARK-23025: schemaFor shuold support Null type") {
--- End diff --
should?
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