Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/16478#discussion_r186618254
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/types/UserDefinedType.scala ---
@@ -50,13 +54,46 @@ abstract class UserDefinedType[UserType >: Null]
extends DataType with Serializa
/** Serialized Python UDT class, if exists. */
def serializedPyClass: String = null
- /**
- * Convert the user type to a SQL datum
- */
- def serialize(obj: UserType): Any
+ /** The RowEncoder used to serialize/deserialize extenal row to internal
row format. */
+ private lazy val rowEncoder = UserDefinedType.getRowEncoder(sqlType)
--- End diff --
Due to recently added constraint that SQLConf can't be accessed during task
execution, this causes the test failure. I'm wondering if we have other options
here...
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