Github user cloud-fan commented on a diff in the pull request: https://github.com/apache/spark/pull/21912#discussion_r213540440 --- Diff: sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/CollectionExpressionsSuite.scala --- @@ -1314,9 +1314,9 @@ class CollectionExpressionsSuite extends SparkFunSuite with ExpressionEvalHelper } test("Array Distinct") { - val a0 = Literal.create(Seq(2, 1, 2, 3, 4, 4, 5), ArrayType(IntegerType)) + val a0 = Literal.create(Seq(2, 1, 2, 3, 4, 4, 5), ArrayType(IntegerType, false)) --- End diff -- why this change?
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