};letresult = sqlx::query_with::< _, User >("INSERT INTO users (name) VALUES (?)", user) .execute(&mutconn) .await?;println!("{:?}", result);Ok(()) } 更新数据 使用SQLx更新数据时,可以使用execute()方法或execute_with()方法。 使用execute()方法 使用execute()方法更新数据时,需要手...
let pool = Pool::connect_with(config).await?; 查询优化 优化查询可以显著提高应用程序的响应速度。使用EXPLAIN或EXPLAIN ANALYZE来分析查询性能,并根据结果调整索引和查询结构: let explain_result = sqlx::query("EXPLAIN SELECT * FROM users WHERE id = $1") .bind(1) .fetch_one(&pool) .await?; pri...
await?; sqlx::query!("UPDATE balance SET amount = amount + $1 WHERE user_id = $2", 100, 1) .execute(&mut tx) .await?; tx.commit().await?; 5.2 批量操作 use futures::TryStreamExt; let mut stream = sqlx::query("INSERT INTO logs (message) VALUES ($1)") .bind("Log message...
sqlx::Error> {letpool = SqlitePool::connect('sqlite:mydatabase.db').await?; query('INSERT INTO users (name, email) VALUES (?, ?)') .bind('Alice') .bind('alice@example.com') .execute(&pool) .await?;Ok(())}
// with SQLx let unsafe_query = format!("SELECT * FROM people WHERE firstname='{remote_controlled_string}'"); let _ = conn.execute(unsafe_query.as_str()).await?; // BAD (arbitrary SQL injection is possible) let _ = sqlx::query(unsafe_query.as_str()).fetch_all(&mut conn).await...
SQLx 🧰 The Rust SQL Toolkit Install|Usage|Docs Built with ️ byThe LaunchBadge team SQLx is an async, pure Rust†SQL crate featuring compile-time checked queries without a DSL. Truly Asynchronous. Built from the ground-up using async/await for maximum concurrency. ...
.connect_with(sqlx_opts) .await.unwrap();letmutrows= sqlx::query("select * from sample").fetch(&pool);whileletSome(row) = rows.try_next().await.unwrap() {println!("row is {:?}", row); } } SeaORM SeaORM是在 sqlx 之上构建的 orm 框架。
.connect_with(sqlx_opts) .await .unwrap(); let mut rows = sqlx::query("select * from sample").fetch(&pool); while let Some(row) = rows.try_next().await.unwrap() { println!("row is {:?}", row); } } 1. 2. 3. 4. ...
let query = sqlx::query("DELETE FROM sessions WHERE session_id = $1").bind(cookie).execute(&state.postgres); match query.await {Ok(_) => Ok(jar.remove(Cookie::named("foo"))),Err(_) => Err(StatusCode::INTERNAL_SERVER_ERROR)}} ...
)]pub struct Good { pub id: usize, pub name: String, pub description: String, pub price: usize,}struct Repository;impl Repository {pub(crate) fn new() -> Repository { Repository}pub(crate) async fn list(&self, mut db: Connection<Goods>) -> Vec<Good> { sqlx::query_as:...