Delete
Delete One
Find a Model
from the database, then delete the corresponding row from database.
use sea_orm::entity::ModelTrait;
let orange: Option<fruit::Model> = Fruit::find_by_id(30).one(db).await?;
let orange: fruit::Model = orange.unwrap();
let res: DeleteResult = orange.delete(db).await?;
assert_eq!(res.rows_affected, 1);
Delete by Primary Key
Instead of selecting Model
from the database then deleting it. You could also delete a row from database directly by its primary key.
let res: DeleteResult = Fruit::delete_by_id(38).exec(db).await?;
assert_eq!(res.rows_affected, 1);
Delete Many
You can also delete multiple rows from the database without finding each Model
with SeaORM select.
// DELETE FROM `fruit` WHERE `fruit`.`name` LIKE '%Orange%'
let res: DeleteResult = fruit::Entity::delete_many()
.filter(fruit::Column::Name.contains("Orange"))
.exec(db)
.await?;
assert_eq!(res.rows_affected, 2);
Returning Deleted Models
Postgres only, SQLite requires the sqlite-use-returning-for-3_35
feature flag.
assert_eq!(
fruit::Entity::delete(ActiveModel {
id: Set(3),
..Default::default()
})
.exec_with_returning(db)
.await?,
Some(fruit::Model {
id: 3,
name: "Apple".to_owned(),
})
);
let deleted_models: Vec<order::Model> = order::Entity::delete_many()
.filter(order::Column::CustomerId.eq(22))
.exec_with_returning(db)
.await?
assert_eq!(deleted_models.len(), 2); // two items deleted