questdb-rs 4.0.0

QuestDB Client Library for Rust
Documentation 
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use chrono::{TimeZone, Utc};
use questdb::{
    ingress::{Buffer, Sender, TimestampNanos},
    Result,
};

fn main() -> Result<()> {
    let host: String = std::env::args().nth(1).unwrap_or("localhost".to_string());
    let port: &str = &std::env::args().nth(2).unwrap_or("9009".to_string());
    let mut sender = Sender::from_conf(format!(
        concat!(
            "tcps::addr={}:{};",
            "username=testUser1;",
            "token=5UjEMuA0Pj5pjK8a-fa24dyIf-Es5mYny3oE_Wmus48;",
            "token_x=fLKYEaoEb9lrn3nkwLDA-M_xnuFOdSt9y0Z7_vWSHLU;",
            "token_y=Dt5tbS1dEDMSYfym3fgMv0B99szno-dFc1rYF9t0aac;",
        ),
        host, port
    ))?;
    let mut buffer = Buffer::new();
    let designated_timestamp =
        TimestampNanos::from_datetime(Utc.with_ymd_and_hms(1997, 7, 4, 4, 56, 55).unwrap())?;
    buffer
        .table("sensors")?
        .symbol("id", "toronto1")?
        .column_f64("temperature", 20.0)?
        .column_i64("humidity", 50)?
        .at(designated_timestamp)?;

    //// If you want to pass the current system timestamp, replace with:
    // .at(TimestampNanos::now())?;

    // You can add multiple rows before flushing.
    // It's recommended to keep a timer and/or a buffer size before flushing.
    sender.flush(&mut buffer)?;

    // The buffer is now reusable. No need to reallocate a new one.
    Ok(())
}