code: def do_cloud_query(cls, cql, *pvalues):
          
          params = {'cql': cql}
          if len(pvalues) == 1 and isinstance(pvalues[0], (tuple, list)):
              pvalues = json.dumps(pvalues[0])
          if len(pvalues) > 0:
              params['pvalues'] = json.dumps(pvalues)
  
          content = client.get('/cloudQuery', params).json()
  
          objs = []
          query = cls(content['className'])
          for result in content['results']:
              obj = query._new_object()
              obj._update_data(query._process_result(result))
              objs.append(obj)
  
          return CQLResult(objs, content.get('count'), content.get('className'))
docs: 使用 CQL 来构造查询。CQL 语法参考 `这里 <https://cn.avoscloud.com/docs/cql_guide.html>`_。
  
          :param cql: CQL 语句
          :param pvalues: 查询参数
          :rtype: CQLResult