Crate lorm

A zero cost and lightweight ORM operations for SQLx.

Use

adding the following to your project’s Cargo.toml:

[dependencies]
lorm = { version = "0" }
sqlx = { version = "0.8" }

Examples

#[derive(Debug, Default, Clone, FromRow, ToLOrm)]
struct AltUser {
    #[lorm(pk)]
    #[lorm(readonly)]
    pub id: i32,

    #[lorm(by)]
    pub email: String,

    #[allow(unused)]
    #[lorm(created_at)]
    #[lorm(readonly)]
    pub created_at: chrono::DateTime<FixedOffset>,

    #[lorm(updated_at)]
    #[lorm(new = "chrono::Utc::now().fixed_offset()")]
    pub updated_at: chrono::DateTime<FixedOffset>,
}

 fn main() -> anyhow::Result<()> {
    let database_url = std::env::var("DATABASE_URL").expect("DATABASE_URL not set");
    let pool = SqlitePool::connect(&database_url).await?;
    for i in 0..10 {
       let mut u = User::default();
       u.email = format!("alice.dupont@domain-{i}.com").to_string();
       let _ = u.save(&pool).await?;
     }
    let users = User::query()
                .order_by_email(OrderBy::Desc)
                .limit(2)
                .offset(2)
                .build(&pool)
                .await?;
}

Modules

errors

predicates

Derive Macros

ToLOrm

#[derive(ToLOrm)] generate methods for Object Relational Mapping.