infoankitp commented on code in PR #38865:
URL: https://github.com/apache/spark/pull/38865#discussion_r1040845039


##########
sql/core/src/test/scala/org/apache/spark/sql/DataFrameFunctionsSuite.scala:
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@@ -5237,6 +5237,59 @@ class DataFrameFunctionsSuite extends QueryTest with 
SharedSparkSession {
       )
     )
   }
+
+  test("SPARK-41232 array_append -> Unit Test cases for the function ") {
+    val df1 = Seq((Array[Int](3, 2, 5, 1, 2), 3)).toDF("a", "b")

Review Comment:
   It will throw an exception, since in the input types the types has to be the 
exact for the element and array elements. Let me add a unit test for the same 
as well. 



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