presto-main/src/main/java/io/prestosql/type/DateTimeOperators.java/DateTimeOperators/timePlusIntervalYearToMonth
class DateTimeOperators:    @ScalarOperator(ADD)
    @SqlType(StandardTypes.TIME)
    public static long timePlusIntervalYearToMonth(@SqlType(StandardTypes.TIME) long left, @SqlType(StandardTypes.INTERVAL_YEAR_TO_MONTH) long right)
    {
        return left;
    }