def get_query_details(self, query_id, format='text'):
    """
    Get the query details

    @param query_id: The query ID
    @param format: The format of the response ('text' or 'thrift_encoded')
    @return: The details text
    @since: API v4
    """
    return self._get("impalaQueries/" + query_id, ApiImpalaQueryDetailsResponse,
        params=dict(format=format), api_version=4)