Commitable?

pub trait Commitable<Class=Self:Insertable> {
   type Committed:Queryable, table;
   pub fn commit(&self, conn: PgConnection) -> Result<Committed,DatabaseError> {
      DatabaseError::wrap(diesel::insert_into(table).values(self).get_result(conn))
   }
  }
  
  #[derive(Queryable)]
  struct Artist {..}
  
  #[derive(Insertable, Commitable)]
  struct NewArtist {...}
  // commit is automatically created