override belongto parent appmodel cakephp
// -------------------------------------------------------------
// ------------ Override belongto parent appmodel --------------
// -------------------------------------------------------------
public function __construct($id = false, $table = null, $ds = null) {
$parent = get_parent_class($this);
$this->_mergeVars(array('belongsTo'), $parent); // override belongto parent appmodel
parent::__construct($id, $table, $ds);
}