def get_conn(self):
        """
        
        """
        conn = self.get_connection(self.pinot_broker_conn_id)
        pinot_broker_conn = connect(
            host=conn.host,
            port=conn.port,
            path=conn.extra_dejson.get('endpoint', '/pql'),
            scheme=conn.extra_dejson.get('schema', 'http')
        )
        self.log.info('Get the connection to pinot '
                      'broker on {host}'.format(host=conn.host))
        return pinot_broker_conn