sqliteHow can I use SQLite with Rust?
SQLite is a popular, lightweight, open-source SQL database that can be used with Rust. To use SQLite with Rust, you need to install the sqlx crate.
[dependencies]
sqlx = "0.3.2"
Once installed, you can use the sqlx crate to connect to an SQLite database, execute queries, and perform other database operations.
use sqlx::sqlite::SqlitePool;
#[async_std::main]
async fn main() -> Result<(), sqlx::Error> {
let pool = SqlitePool::builder()
.max_size(5)
.build("sqlite://./my.db")
.await?;
let row = sqlx::query!("SELECT * FROM users WHERE id = ?")
.bind(1)
.fetch_one(&pool)
.await?;
println!("{:?}", row);
Ok(())
}
The code above will connect to an SQLite database, execute a query to select a row from the users table, and print the row.
use sqlx::sqlite::SqlitePool;
- imports the SqlitePool type from the sqlx crate.SqlitePool::builder()
- creates a new connection pool builder..max_size(5)
- sets the maximum size of the connection pool..build("sqlite://./my.db")
- builds the connection pool using the provided URL.sqlx::query!("SELECT * FROM users WHERE id = ?")
- creates a query that will select a row from the users table..bind(1)
- binds the value 1 to the query..fetch_one(&pool)
- executes the query using the connection pool.println!("{:?}", row);
- prints the selected row.
Helpful links
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