cloud-fan commented on a change in pull request #27937: [WIP][SPARK-30127][SQL]
Support case class parameter for typed Scala UDF
URL: https://github.com/apache/spark/pull/27937#discussion_r394350861
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/ScalaUDF.scala
##########
@@ -59,14 +64,22 @@ case class ScalaUDF(
override def toString: String =
s"${udfName.getOrElse("UDF")}(${children.mkString(", ")})"
+ private def createToScalaConverter(i: Int, dataType: DataType): Any => Any =
{
+ val encoder = inputEncoders(i)
+ encoder.isSerializedAsStructForTopLevel match {
+ case true => r: Any =>
encoder.resolveAndBind().fromRow(r.asInstanceOf[InternalRow])
Review comment:
We shouldn't call `resolveAndBind` for each input row
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