public void testVectorUDFDayOfMonthString() {
testVectorUDFDayOfMonth(TestType.STRING_LONG);
}
private void compareToUDFHourLong(long t, int y) {
UDFHour udf = new UDFHour();
TimestampWritable tsw = toTimestampWritable(t);
IntWritable res = udf.evaluate(tsw);
Assert.assertEquals(res.get(), y);
}