Solar_Sql_Adapter::disconnect PHP Method

    public function disconnect()
    {
        $this->_pdo = null;
    }

 /**
  * 
  * Close session handler.
  * 
  * @return bool
  * 
  */
 public function close()
 {
     $this->_sql->disconnect();
     $this->_sql = null;
     return true;
 }