dongjoon-hyun commented on a change in pull request #30297:
URL: https://github.com/apache/spark/pull/30297#discussion_r521437206
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala
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@@ -2042,10 +2053,17 @@ case class ElementAt(left: Expression, right:
Expression)
} else {
""
}
+
+ val failOnErrorBranch = if (failOnError) {
+ s"""throw new ArrayIndexOutOfBoundsException("Invalid index: " +
$index);""".stripMargin
Review comment:
Shall we remove `.stripMargin` because this is a single line?
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