xinrong-databricks commented on a change in pull request #35533:
URL: https://github.com/apache/spark/pull/35533#discussion_r806807720
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
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@@ -2565,15 +2565,15 @@ case class ToBinary(expr: Expression, format:
Option[Expression], child: Express
case lit if lit.foldable =>
val value = lit.eval()
if (value == null) Literal(null, BinaryType)
- else {
+ else if (value.isInstanceOf[UTF8String]) {
Review comment:
Is it possible for `value` to be an instance of `java.lang.String`?
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