filename(database_url); let pool = SqlitePool::connect_with(options).await?; Ok(()) } 在这个示例中,我们创建了一个 SQLite 数据库连接池 pool,它可以在多个线程中共享连接。 3. 创建表 使用SQLx 创建表也非常简单。以下是一个示例代码,展示了如何创建一个名为 users 的
}#[tokio::main]asyncfnmain() - >Result< (), sqlx::Error > {letpool = MySqlPool::connect("mysql://username:password@hostname:port/database").await?;letmutconn = pool.acquire().await?;letuser = User { name:"John".to_string(), };letresult = sqlx::query_with::< _, User >("...
use sqlx::{Pool, Postgres}; use tokio; #[tokio::main] async fn main() -> Result<(), sqlx::Error> { let database_url = "postgres://username:password@localhost:5432/mydb"; let pool = Pool::<Postgres>::connect(database_url).await?; Ok(()) } 执行查询 接下来,执行一个简单的...
DATABASE_URL=postgres://cml:123456@192.168.1.239:5432/rust_sqlx 其中, rust_sqlx 为数据库实例的名称 CRUD 说明 在main 中编写简单的 crud 示例。 dotenv().ok():在访问环境变量之前检查一下,防止因读取环境变量失败导致程序恐慌。 env::var("DATABASE_URL"):读取环境变量文件中的数据库连接字符串 PgPool...
DATABASE_URL=sqlite:///data/db.sqlit to: DATABASE_URL=sqlite:///${CARGO_MANIFEST_DIR}/data/db.sqlite. 👍1 leshow commented on Oct 6, 2021 leshow on Oct 6, 2021 ContributorAuthor Alright, if I'm not the only one running into this then I'll re-open. leshowreopened this on Oct...
Any database driver for changing the database driver at runtime. An AnyPool connects to the driver indicated by the URL scheme. Install SQLx is compatible with the async-std, tokio, and actix runtimes; and, the native-tls and rustls TLS backends. When adding the dependency, you must choo...
.connect(&database_url) .await?; // Wait for connection to be established println!("Connected to the database!"); // Example query to retrieve data let rows: Vec<(i32, String)> = sqlx::query_as("SELECT id, name FROM users") ...
let mut conn = PgConnection::connect(&env::var("DATABASE_URL")?).await?; 1. 插入记录 let sql="INSERT INTO todos ( id,description ,done)VALUES ( $1,$2,$3 )"; let count=sqlx::query(sql).bind(1).bind("test3").bind(false).execute(&pool).await?; ...
.connect(&env::var("DATABASE_URL")?).await?;// Make a simple query to return the given parameterletrow: (i64,) = sqlx::query_as("SELECT $1") .bind(150_i64) .fetch_one(&pool).await?;assert_eq!(row.0,150);Ok(())
Create/drop the database at DATABASE_URL sqlx database create sqlx database drop Create and run migrations sqlx migrate add <name> Creates a new file in migrations/<timestamp>-<name>.sql. Add your database schema changes to this new file. sqlx migrate run Compares the migration history of...