maropu commented on a change in pull request #30297:
URL: https://github.com/apache/spark/pull/30297#discussion_r520312458
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala
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@@ -3621,6 +3621,25 @@ class DataFrameFunctionsSuite extends QueryTest with
SharedSparkSession {
df.select(map(map_entries($"m"), lit(1))),
Row(Map(Seq(Row(1, "a")) -> 1)))
}
+
+ test("SPARK-33391: element_at ArrayIndexOutOfBoundsException") {
+ Seq(true, false).foreach { ansiEnabled =>
+ withSQLConf(SQLConf.ANSI_ENABLED.key -> ansiEnabled.toString) {
+ val df = sql("select element_at(array(1, 2, 3), 5)")
+ if (ansiEnabled) {
+ val ex = intercept[Exception] {
+ df.collect()
+ }
+ assert(ex.getMessage.contains("Invalid index: 5"))
+ } else {
+ checkAnswer(
Review comment:
Could you add fine-grained tests for `element_at` and `elt ` via
`checkExceptionInExpression`?
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