gengliangwang commented on a change in pull request #32098:
URL: https://github.com/apache/spark/pull/32098#discussion_r609914997
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/TryCast.scala
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@@ -84,4 +84,14 @@ case class TryCast(child: Expression, dataType: DataType,
timeZoneId: Option[Str
override def typeCheckFailureMessage: String =
AnsiCast.typeCheckFailureMessage(child.dataType, dataType, None, None)
+
+ override def toString: String = {
+ s"try_cast($child as ${dataType.simpleString})"
+ }
+
+ override def sql: String = dataType match {
+ case _: ArrayType | _: MapType | _: StructType => child.sql
Review comment:
Talked to @cloud-fan offline. Actually, we don't need this legacy
special handling.
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