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
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@@ -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 making a hidden assumption in the utility
class.
I think we can enhance these Utils redact methods in this PR.
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