Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/22732#discussion_r226145051
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/UDFSuite.scala ---
@@ -393,4 +393,30 @@ class UDFSuite extends QueryTest with SharedSQLContext
{
checkAnswer(df, Seq(Row("12"), Row("24"), Row("3null"), Row(null)))
}
}
+
+ test("SPARK-25044 Verify null input handling for primitive types - with
udf()") {
+ val udf1 = udf({(x: Long, y: Any) => x * 2 + (if (y == null) 1 else
0)})
--- End diff --
nit `udf((x: Long, y: Any) => x * 2 + (if (y == null) 1 else 0))`
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