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.

1. use sqlx::sqlite::SqlitePool; - imports the SqlitePool type from the sqlx crate.
2. SqlitePool::builder() - creates a new connection pool builder.
3. .max_size(5) - sets the maximum size of the connection pool.
4. .build("sqlite://./my.db") - builds the connection pool using the provided URL.
5. sqlx::query!("SELECT * FROM users WHERE id = ?") - creates a query that will select a row from the users table.
6. .bind(1) - binds the value 1 to the query.
7. .fetch_one(&pool) - executes the query using the connection pool.
8. println!("{:?}", row); - prints the selected row.

Helpful links

• sqlx Documentation
• SQLite Documentation

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