3 releases
0.1.2 | Sep 19, 2024 |
---|---|
0.1.1 | Jul 5, 2024 |
0.1.0 | Jun 24, 2024 |
#1372 in Procedural macros
250 downloads per month
Used in sorm
39KB
1K
SLoC
sorm
Simple ORM (Object-Relational Mapping) built on SQLx.
Examples
use std::error::Error;
use std::time::{SystemTime, UNIX_EPOCH};
use serde_json::json;
use sorm::model::Model;
use sorm::{clause, sorm};
use sqlx::{Executor, SqlitePool};
#[tokio::main]
async fn main() -> Result<(), Box<dyn Error>> {
let db = SqlitePool::connect("sqlite://:memory:").await?;
db.execute(
r#"
CREATE TABLE users (
id INTEGER PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
enable INTEGER NOT NULL,
updated_at INTEGER NOT NULL,
created_at INTEGER NOT NULL
)
"#,
)
.await?;
// Create
let mut user = User::new();
user.set_name("foo".to_string());
user.create(&db).await?;
println!("{}", json!(user)); // => {"created_at":1719131281,"enable":1,"id":1,"name":"foo","updated_at":1719131281}
// Update
user.set_enable(0);
user.update(&db).await?;
println!("{}", json!(user)); // => {"created_at":1719131281,"enable":0,"id":1,"name":"foo","updated_at":1719131281}
// Find by primary key
let user = User::find(&db, &1).await?;
println!("{}", json!(user)); // => {"created_at":1719131281,"enable":0,"id":1,"name":"foo","updated_at":1719131281}
// Use query builder
let name = "foo";
let user = User::query()
.select(&[User::ID, User::NAME])
.r#where(clause!("name={&name}"))
.find(&db)
.await?;
println!("{}", json!(user)); // => {"id":1,"name":"foo"}
// Delete
user.delete(&db).await?;
User::destroy(&db, &1).await?;
Ok(())
}
#[sorm(table = "users", serialize)]
struct User {
#[sorm(primary_key(increment))]
id: i64,
name: String,
#[sorm(default = "1")]
enable: i8,
#[sorm(update_time)]
updated_at: i64,
#[sorm(create_time)]
created_at: i64,
}
fn current_timestamp() -> i64 {
SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_secs() as i64
}
Install
-
sqlite
cargo add sorm --features sqlite
-
postgres
cargo add sorm --features postgres
-
mysql
cargo add sorm --features mysql
Dependencies
~240–690KB
~16K SLoC