@Test public void testMapValues() { StdTester tester = getTester(); tester.check(functionCall("std_map_values", map(1, 4, 2, 5, 3, 6)), array(4, 5, 6), "array(integer)"); tester.check(functionCall("std_map_values", map("1", "4", "2", "5", "3", "6")), array("4", "5", "6"), "array(varchar)"); tester.check(functionCall("std_map_values", (Object) null), null, "array(unknown)"); } }