sqlx 0.5.13

🧰 The Rust SQL Toolkit. An async, pure Rust SQL crate featuring compile-time checked queries without a DSL. Supports PostgreSQL, MySQL, and SQLite.
Documentation 
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use sqlx::any::AnyRow;
use sqlx::{Any, Connection, Executor, Row};
use sqlx_test::new;

#[sqlx_macros::test]
async fn it_connects() -> anyhow::Result<()> {
    let mut conn = new::<Any>().await?;

    let value = sqlx::query("select 1 + 5")
        .try_map(|row: AnyRow| row.try_get::<i32, _>(0))
        .fetch_one(&mut conn)
        .await?;

    assert_eq!(6i32, value);

    conn.close().await?;

    Ok(())
}

#[sqlx_macros::test]
async fn it_pings() -> anyhow::Result<()> {
    let mut conn = new::<Any>().await?;

    conn.ping().await?;

    Ok(())
}

#[sqlx_macros::test]
async fn it_executes_with_pool() -> anyhow::Result<()> {
    let pool = sqlx_test::pool::<Any>().await?;

    let rows = pool.fetch_all("SELECT 1; SElECT 2").await?;

    assert_eq!(rows.len(), 2);

    Ok(())
}

#[sqlx_macros::test]
async fn it_gets_by_name() -> anyhow::Result<()> {
    let mut conn = new::<Any>().await?;

    let row = conn.fetch_one("SELECT 1 as _1").await?;
    let val: i32 = row.get("_1");

    assert_eq!(val, 1);

    Ok(())
}

#[sqlx_macros::test]
async fn it_can_fail_and_recover() -> anyhow::Result<()> {
    let mut conn = new::<Any>().await?;

    for i in 0..10 {
        // make a query that will fail
        let res = conn
            .execute("INSERT INTO not_found (column) VALUES (10)")
            .await;

        assert!(res.is_err());

        // now try and use the connection
        let val: i32 = conn
            .fetch_one(&*format!("SELECT {}", i))
            .await?
            .get_unchecked(0);

        assert_eq!(val, i);
    }

    Ok(())
}

#[sqlx_macros::test]
async fn it_can_fail_and_recover_with_pool() -> anyhow::Result<()> {
    let pool = sqlx_test::pool::<Any>().await?;

    for i in 0..10 {
        // make a query that will fail
        let res = pool
            .execute("INSERT INTO not_found (column) VALUES (10)")
            .await;

        assert!(res.is_err());

        // now try and use the connection
        let val: i32 = pool
            .fetch_one(&*format!("SELECT {}", i))
            .await?
            .get_unchecked(0);

        assert_eq!(val, i);
    }

    Ok(())
}