protected function dig($key)
    {
        return Query::from(static::$table)
            ->select('*')
            ->where($this->_keyName, '=', $key)
            ->get(Query::GET_ARRAY);
    }
protected function dig($key)
    {
        return Query::from(static::$table)
            ->select('*')
            ->where($this->_keyName, '=', $key)
            ->get(Query::GET_ARRAY);
    }
protected function dig ( $ key ) { return Query :: from ( static :: $ table ) -> select ( '*' ) -> where ( $ this -> _keyName , '=' , $ key ) -> get ( Query :: GET_ARRAY ) ; }
search for data by Query Class according to primary key.

@param int $key

@return array
search for data by Query Class according to primary key .