Function update 

pub async fn update<A>(
    db: &Db,
    active: A,
) -> Result<<<A as ActiveModelTrait>::Entity as EntityTrait>::Model, DataError>
where
    A: ActiveModelTrait + ActiveModelBehavior + Send,
    <A::Entity as EntityTrait>::Model: IntoActiveModel<A>,

Update an existing row from an ActiveModel. Returns the updated model.

Errors

Returns DataError::Database if the update fails.