dongjoon-hyun commented on a change in pull request #28324:
URL: https://github.com/apache/spark/pull/28324#discussion_r414644593
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File path: sql/core/src/test/scala/org/apache/spark/sql/DataFrameSuite.scala
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@@ -2358,6 +2360,74 @@ class DataFrameSuite extends QueryTest
val df = Seq((1, new CalendarInterval(1, 2, 3))).toDF("a", "b")
checkAnswer(df.selectExpr("b"), Row(new CalendarInterval(1, 2, 3)))
}
+
+ test("array encoder with different types") {
Review comment:
Shall we add `SPARK-31552: ` prefix? This is a bug for all old Spark
versions. For backporting to branch-2.4, it would be helpful.
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