Save
This is a helper method to save (insert / update) ActiveModel
into the database.
Save Behaviour
When saving an ActiveModel
, it will perform either insert or update depending on the primary key attribute:
- Insert if primary key is
NotSet
- Update if primary key is
Set
orUnchanged
Usage
Calling save
to insert or update an ActiveModel
.
use sea_orm::ActiveValue::NotSet;
let banana = fruit::ActiveModel {
id: NotSet, // primary key is NotSet
name: Set("Banana".to_owned()),
..Default::default() // all other attributes are `NotSet`
};
// Insert, because primary key `id` is `NotSet`
let banana: fruit::ActiveModel = banana.save(db).await?;
banana.name = Set("Banana Mongo".to_owned());
// Update, because primary key `id` is `Unchanged`
let banana: fruit::ActiveModel = banana.save(db).await?;