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Used in 72 crates (39 directly)


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🐚 An async & dynamic ORM for Rust

crate docs build status


SeaORM is a relational ORM to help you build web services in Rust with the familiarity of dynamic languages.

Getting Started

GitHub stars If you like what we do, consider starring, commenting, sharing and contributing!

Discord Join our Discord server to chat with others in the SeaQL community!

Integration examples


  1. Async

    Relying on SQLx, SeaORM is a new library with async support from day 1.

  2. Dynamic

    Built upon SeaQuery, 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


use sea_orm::entity::prelude::*;

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

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

impl Related<super::fruit::Entity> for Entity {
    fn to() -> RelationDef {


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

// find and filter
let chocolate: Vec<cake::Model> = Cake::find()

// 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>)> =


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()),

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

// insert many
Fruit::insert_many([apple, pear]).exec(db).await?;


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::Model = pear.update(db).await?;

// update many: UPDATE "fruit" SET "cake_id" = NULL WHERE "fruit"."name" LIKE '%Apple%'
    .col_expr(fruit::Column::CakeId, Expr::value(Value::Int(None)))


let banana = fruit::ActiveModel {
    id: NotSet,
    name: Set("Banana".to_owned()),

// create, because primary key `id` is `NotSet`
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 one
let orange: Option<fruit::Model> = Fruit::find_by_id(1).one(db).await?;
let orange: fruit::Model = orange.unwrap();

// or simply
let orange: Option<fruit::Model> = Fruit::find_by_id(1).one(db).await?;
let orange: fruit::Model = orange.unwrap();

// delete many: DELETE FROM "fruit" WHERE "fruit"."name" LIKE 'Orange'

Learn More

  1. Design
  2. Architecture
  3. Release Model
  4. Change Log

Who's using SeaORM?

The following products are powered by SeaORM:

A lightweight web security auditing toolkit

The enterprise ready webhooks service

A personal search engine

SeaORM is the foundation of:

For more projects, see Built with SeaORM.


Licensed under either of

at your option.


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.

SeaORM is a community driven project. We welcome you to participate, contribute and together help build Rust's future.

A big shout out to our contributors:



A friend of Ferris, Terres the hermit crab is the official mascot of SeaORM. His hobby is collecting shells.



~341K SLoC