SeaORM

<div align="center">

  <img src="https://www.sea-ql.org/SeaORM/img/SeaORM banner.png"/>

  <h1>SeaORM</h1>

  <p>
    <strong>🐚 An async & dynamic ORM for Rust</strong>
  </p>

  [![crate](https://img.shields.io/crates/v/sea-orm.svg)](https://crates.io/crates/sea-orm)
  [![docs](https://docs.rs/sea-orm/badge.svg)](https://docs.rs/sea-orm)
  [![build status](https://github.com/SeaQL/sea-orm/actions/workflows/rust.yml/badge.svg)](https://github.com/SeaQL/sea-orm/actions/workflows/rust.yml)

  <sub>Built with 🔥 by 🌊🦀🐚</sub>

</div>

# SeaORM

SeaORM is a relational ORM to help you build light weight and concurrent web services in Rust.

[![Getting Started](https://img.shields.io/badge/Getting%20Started-brightgreen)](https://www.sea-ql.org/SeaORM/docs/index)
[![Usage Example](https://img.shields.io/badge/Usage%20Example-yellow)](https://github.com/SeaQL/sea-orm/tree/master/examples/basic)
[![Actix Example](https://img.shields.io/badge/Actix%20Example-blue)](https://github.com/SeaQL/sea-orm/tree/master/examples/actix_example)
[![Rocket Example](https://img.shields.io/badge/Rocket%20Example-orange)](https://github.com/SeaQL/sea-orm/tree/master/examples/rocket_example)
[![Discord](https://img.shields.io/discord/873880840487206962?label=Discord)](https://discord.com/invite/uCPdDXzbdv)

## Features

1. Async

    Relying on [SQLx](https://github.com/launchbadge/sqlx), SeaORM is a new library with async support from day 1.

2. Dynamic

    Built upon [SeaQuery](https://github.com/SeaQL/sea-query), SeaORM allows you to build complex queries without 'fighting the ORM'.

3. Testable

    Use mock connections to write unit tests for your logic.

4. Service Oriented

    Quickly build services that join, filter, sort and paginate data in APIs.

## A quick taste of SeaORM

### Entity
```rust
use sea_orm::entity::prelude::*;

#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
#[sea_orm(table_name = "cake")]
pub struct Model {
    #[sea_orm(primary_key)]
    pub id: i32,
    pub name: String,
}

#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
pub enum Relation {
    #[sea_orm(has_many = "super::fruit::Entity")]
    Fruit,
}

impl Related<super::fruit::Entity> for Entity {
    fn to() -> RelationDef {
        Relation::Fruit.def()
    }
}
```

### Select
```rust
// find all models
let cakes: Vec<cake::Model> = Cake::find().all(db).await?;

// find and filter
let chocolate: Vec<cake::Model> = Cake::find()
    .filter(cake::Column::Name.contains("chocolate"))
    .all(db)
    .await?;

// find one model
let cheese: Option<cake::Model> = Cake::find_by_id(1).one(db).await?;
let cheese: cake::Model = cheese.unwrap();

// find related models (lazy)
let fruits: Vec<fruit::Model> = cheese.find_related(Fruit).all(db).await?;

// find related models (eager)
let cake_with_fruits: Vec<(cake::Model, Vec<fruit::Model>)> =
    Cake::find().find_with_related(Fruit).all(db).await?;

```
### Insert
```rust
let apple = fruit::ActiveModel {
    name: Set("Apple".to_owned()),
    ..Default::default() // no need to set primary key
};

let pear = fruit::ActiveModel {
    name: Set("Pear".to_owned()),
    ..Default::default()
};

// insert one
let pear = pear.insert(db).await?;

// insert many
Fruit::insert_many(vec![apple, pear]).exec(db).await?;
```
### Update
```rust
use sea_orm::sea_query::{Expr, Value};

let pear: Option<fruit::Model> = Fruit::find_by_id(1).one(db).await?;
let mut pear: fruit::ActiveModel = pear.unwrap().into();

pear.name = Set("Sweet pear".to_owned());

// update one
let pear: fruit::ActiveModel = pear.update(db).await?;

// update many: UPDATE "fruit" SET "cake_id" = NULL WHERE "fruit"."name" LIKE '%Apple%'
Fruit::update_many()
    .col_expr(fruit::Column::CakeId, Expr::value(Value::Int(None)))
    .filter(fruit::Column::Name.contains("Apple"))
    .exec(db)
    .await?;

```
### Save
```rust
let banana = fruit::ActiveModel {
    id: Unset(None),
    name: Set("Banana".to_owned()),
    ..Default::default()
};

// create, because primary key `id` is `Unset`
let mut banana = banana.save(db).await?;

banana.name = Set("Banana Mongo".to_owned());

// update, because primary key `id` is `Set`
let banana = banana.save(db).await?;

```
### Delete
```rust
let orange: Option<fruit::Model> = Fruit::find_by_id(1).one(db).await?;
let orange: fruit::ActiveModel = orange.unwrap().into();

// delete one
fruit::Entity::delete(orange).exec(db).await?;
// or simply
orange.delete(db).await?;

// delete many: DELETE FROM "fruit" WHERE "fruit"."name" LIKE 'Orange'
fruit::Entity::delete_many()
    .filter(fruit::Column::Name.contains("Orange"))
    .exec(db)
    .await?;

```

## Learn More

1. [Design](https://github.com/SeaQL/sea-orm/tree/master/DESIGN.md)
1. [Architecture](https://github.com/SeaQL/sea-orm/tree/master/ARCHITECTURE.md)
1. [Release Model](https://www.sea-ql.org/SeaORM/blog/2021-08-30-release-model)
1. [Change Log](https://github.com/SeaQL/sea-orm/tree/master/CHANGELOG.md)

## License

Licensed under either of

-   Apache License, Version 2.0
    ([LICENSE-APACHE](LICENSE-APACHE) or <http://www.apache.org/licenses/LICENSE-2.0>)
-   MIT license
    ([LICENSE-MIT](LICENSE-MIT) or <http://opensource.org/licenses/MIT>)

at your option.

## Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.