Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17848#discussion_r127866465
--- Diff:
sql/core/src/test/java/test/org/apache/spark/sql/JavaUDFSuite.java ---
@@ -121,4 +122,29 @@ public void udf6Test() {
Row result = spark.sql("SELECT returnOne()").head();
Assert.assertEquals(1, result.getInt(0));
}
+
+ public static class randUDFTest implements UDF1<Integer, Double> {
--- End diff --
`RandUDFTest`?
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