gatorsmile commented on a change in pull request #24800: [SPARK-27947][SQL] 
ParsedStatement subclass toString may throw ClassCastException
URL: https://github.com/apache/spark/pull/24800#discussion_r291457845
 
 

 ##########
 File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/sql/ParsedStatement.scala
 ##########
 @@ -36,8 +38,11 @@ import 
org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
 private[sql] abstract class ParsedStatement extends LogicalPlan {
   // Redact properties and options when parsed nodes are used by generic 
methods like toString
   override def productIterator: Iterator[Any] = super.productIterator.map {
-    case mapArg: Map[_, _] => 
conf.redactOptions(mapArg.asInstanceOf[Map[String, String]])
-    case other => other
+    case mapArg: Map[_, _] =>
+      // May match any Map type, e.g. Map[String, Int], due to type erasure
+      Try(conf.redactOptions(mapArg.asInstanceOf[Map[String, 
String]])).getOrElse(mapArg)
 
 Review comment:
   In Spark source code, we always try to avoid rely on the exception handling 
if we can possibly avoid it. 
   
   Also, we try our best to avoid make an assumption in the utility class. 
   
   I think we can enhance these Utils redact methods in this PR.

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