Github user hvanhovell commented on a diff in the pull request:
https://github.com/apache/spark/pull/22429#discussion_r223979931
--- Diff:
external/avro/src/main/scala/org/apache/spark/sql/avro/CatalystDataToAvro.scala
---
@@ -52,7 +52,7 @@ case class CatalystDataToAvro(child: Expression) extends
UnaryExpression {
out.toByteArray
}
- override def simpleString: String = {
+ override def simpleString(maxFields: Option[Int]): String = {
s"to_avro(${child.sql}, ${child.dataType.simpleString})"
--- End diff --
Should we also pass the maxFields to `child.dataType`? For example
`StructType` fields are truncated.
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