Does anyone know if it is possible to reduce hasMany relations?
class MyModel extends Model
{
   ...
   public function initialize(){
        $this->hasMany("id","SomeChild","parentId",array('alias' => 'children' /* maybe somthing like: "active = 1" */ ));
   }
   // or 
   public function getActiveChildren(){
        return $this->children->where("active = 1");
   }
}