public function execute($id = null)
{
if ($id) {
$prep = $this->_prep_single($id);
} else {
$prep = $this->_prep_all();
}
//end else
return parent::execute($prep['sql'], $prep['in'], $prep['out'], $id);
}
public function execute()
{
$prep = $this->prep();
return parent::execute($prep['sql'], $prep['in'], $prep['out'], $this->id);
}