Crate questdb

Source
Expand description

§QuestDB

The questdb crate allows for a simple way of connecting to a questdb instance.

§Usage

[dependencies]
questdb = "0.1"

§Example

use questdb::QuestDB;
use serde::{Serialize, Deserialize};


#[derive(Serialize, Deserialize, Debug)]
struct TestData {
    id: i32,
    ts: String,
    temp: f64,
    sensor_id: i32,
}

#[tokio::main]
async fn main() {
    let connection = QuestDB::new("http://192.168.1.37:9000");

    let res = connection.exec::<TestData>(
        "select * from readings",
        Some(2),
        None,
        None
    ).await.unwrap();

    println!("{:#?}", res);

    /* Output:
    [
        TestData {
            id: 1,
            ts: "2019-10-17T00:00:00.000000Z",
            temp: 16.470730545675295,
            sensor_id: 295,
        },
        TestData {
            id: 2,
            ts: "2019-10-17T00:00:00.100000Z",
            temp: 19.75780877621018,
            sensor_id: 9835,
        },
    ]
    */

}

Macros§

Structs§

  • QuestDB
    Object to connect to a questdb

Enums§