code: def NativeQuery(self, request, context):
      result = None
      query = request.query
  
      logger.info(
          "%s.native_query: calling 'native_query' with query - %s",
          self.__class__.__name__,
          query,
      )
      try:
          handler = self._get_handler(request.context)
          res = handler.native_query(query)
          data = pickle.dumps(res.data_frame)
          result = common_pb2.Response(
              type=res.resp_type,
              data_frame=data,
              query=res.query,
              error_code=res.error_code,
              error_message=res.error_message,
          )
  
      except Exception:
          msg = traceback.format_exc()
          logger.error(
              "%s.native_query: error - %s",
              self.__class__.__name__,
              msg,
          )
          result = common_pb2.Response(
              type=RESPONSE_TYPE.ERROR,
              data_frame=None,
              query=0,
              error_code=1,
              error_message=msg,
          )
      return result
  
imports: import json
  import pickle
  import traceback
  from concurrent import futures
  import grpc
  from mindsdb.microservices_grpc.db import db_pb2_grpc
  from mindsdb.microservices_grpc.db import db_pb2, common_pb2
  from mindsdb.interfaces.file.file_controller import FileController
  from mindsdb.integrations.libs.handler_helpers import get_handler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
  from mindsdb.utilities.context import context
  from mindsdb.utilities import log
label_desc: Use image node_id 6 for calling the DBServiceServicer obj's underlying member method code with example usage: obj.NativeQuery(request, context) and returns: result