ulysses-you commented on a change in pull request #29403:
URL: https://github.com/apache/spark/pull/29403#discussion_r495567162
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala
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@@ -739,6 +771,8 @@ object ScalaReflection extends ScalaReflection {
val Schema(dataType, nullable) = schemaFor(fieldType)
StructField(fieldName, dataType, nullable)
}), nullable = true)
+ case t if isSubtype(t, localTypeOf[Enumeration#Value]) =>
+ Schema(StringType, nullable = false)
Review comment:
Yeah, it should be true.
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