MaxGekk commented on code in PR #56831:
URL: https://github.com/apache/spark/pull/56831#discussion_r3486705574
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/package.scala:
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@@ -100,6 +100,13 @@ package object expressions {
// to an array.
@transient private lazy val attrsArray = attrs.toArray
+ // Attributes with a null name (e.g. produced from a StructField built
with a null name via
Review Comment:
Confirmed it's a real, independent issue -- `AttributeReference.hashCode`
calls `name.hashCode()` unguarded while `equals` is already null-safe.
Addressed separately in #56832 (SPARK-57726).
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