dongjoon-hyun commented on a change in pull request #23867: [SPARK-26965][SQL]
Makes ElementAt nullability more precise
URL: https://github.com/apache/spark/pull/23867#discussion_r261058292
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
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@@ -1929,7 +1929,8 @@ case class ArrayPosition(left: Expression, right:
Expression)
b
""",
since = "2.4.0")
-case class ElementAt(left: Expression, right: Expression) extends
GetMapValueUtil {
+case class ElementAt(left: Expression, right: Expression)
+ extends GetMapValueUtil with GetArrayItemUtil {
Review comment:
indentation?
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