presto-main/src/main/java/io/prestosql/type/TimestampOperators.java/TimestampOperators/greaterThanOrEqual
class TimestampOperators:    @ScalarOperator(GREATER_THAN_OR_EQUAL)
    @SqlType(StandardTypes.BOOLEAN)
    public static boolean greaterThanOrEqual(@SqlType(StandardTypes.TIMESTAMP) long left, @SqlType(StandardTypes.TIMESTAMP) long right)
    {
        return left >= right;
    }