cloud-fan commented on a change in pull request #30296:
URL: https://github.com/apache/spark/pull/30296#discussion_r520260793
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File path:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala
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@@ -1401,6 +1401,40 @@ class DataFrameFunctionsSuite extends QueryTest with
SharedSparkSession {
assert(e3.message.contains(errorMsg3))
}
+ test("SPARK-33391: element_at with CreateArray") {
Review comment:
It seems an overkill to have end-to-end test for it. How about we just
add more tests in `CollectionExpressionsSuite.correctly handles ElementAt
nullability for arrays` to test negative and invalid indices?
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