code: def orc(self, path):
          
          if isinstance(path, basestring):
              return self._df(self._jreader.orc(path))
          else:
              raise TypeError("path can be only a single string")
docs: Loads a ORC file stream, returning the result as a :class:`DataFrame`.
  
          .. note:: Evolving.
  
          >>> orc_sdf = spark.readStream.schema(sdf_schema).orc(tempfile.mkdtemp())
          >>> orc_sdf.isStreaming
          True
          >>> orc_sdf.schema == sdf_schema
          True