cloud-fan commented on code in PR #48865:
URL: https://github.com/apache/spark/pull/48865#discussion_r1853323930
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/predicates.scala:
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@@ -609,6 +609,9 @@ case class InSet(child: Expression, hset: Set[Any]) extends
UnaryExpression with
require(hset != null, "hset could not be null")
override def toString: String = {
+ if (!child.resolved) {
+ return s"$child INSET (values with unresolved data types)"
Review Comment:
All Java objects have `toString`. It may be different from the pretty string
defined by Spark SQL, but better than nothing?
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