Sea-ORM 可以链式拼接Condition并且&str可以转Column 对比Diesel在查询这块简直太好用了 抽个trait 默认方法再交给Model自己处理非常方便,但它的ActiveModelBehavior trait也是难搞, 每个Model都可以实现这个trait来处理insert/update,所以哪怕做同一件事,比如before_save的时候设置update_time, 每个Model都要各自写一遍,也...
letbanana = fruit::ActiveModel { id: NotSet, name: Set("Banana".to_owned()), ..Default::default() };// create, because primary key `id` is `NotSet`letmutbanana = banana.save(db).await?; banana.name = Set("Banana Mongo".to_owned());// update, because primary key `id` is ...
#[async_trait::async_trait] impl ActiveModelBehavior for ActiveModel { async fn before_save<C>(self, db: &C, insert: bool) -> Result<Self, DbErr> where C: ConnectionTrait, { // ... } // ... }DbErr::RecordNotFound("None of the database rows are affected") is moved to a ...
am = ActiveModelBehavior::before_save(am); let mut is_update = true; for key in <Self::Entity as EntityTrait>::PrimaryKey::iter() { let col = key.into_column(); if am.is_unset(col) { is_update = false; break; } } if !is_update { am = am.insert(db).await?; } else {...
.save(&conn) .await.expect("could not insert post"); Flash::success(Redirect::to("/"),"Post successfully added.") }#[post("/<id>", data ="<post_form>")]asyncfnupdate(conn: Connection<Db>, id:i32, post_form: Form<post::Model>)->Flash<Redirect> {// 注意:find_by_id 关联函数...
()}.save(&conn).await.expect("could not insert post");Flash::success(Redirect::to("/"),"Post successfully added.")}#[post("/<id>", data ="<post_form>")]asyncfnupdate(conn:Connection<Db>,id:i32,post_form:Form<post::Model>)->Flash<Redirect>{// 注意: find_by_id 关联函数let...
fn new() -> Self { <Self as ActiveModelTrait>::default() } /// Will be called before saving fn before_save(self) -> Self { self } /// Will be called after saving fn after_save(self) -> Self { self } /// Will be called before deleting fn before_delete(self) -> Self { ...
am = ActiveModelBehavior::before_save(am); let mut is_update = true; for key in <Self::Entity as EntityTrait>::PrimaryKey::iter() { let col = key.into_column(); if am.is_unset(col) { is_update = false; break; } } if !is_update { am = am.insert(db).await?; } else {...