presto-main/src/main/java/io/prestosql/operator/scalar/DateTimeFunctions.java/DateTimeFunctions/yearOfWeekFromDate
class DateTimeFunctions:    @Description("year of the ISO week of the given date")
    @ScalarFunction(value = "year_of_week", alias = "yow")
    @SqlType(StandardTypes.BIGINT)
    public static long yearOfWeekFromDate(@SqlType(StandardTypes.DATE) long date)
    {
        return YEAR_OF_WEEK.get(DAYS.toMillis(date));
    }