code: def __build_raw_query(self, routine, parameters):
          
  
          parameter_names = []
          replacements = {}
  
          for i, value in enumerate(parameters):
              name = 'arg' + str(i)
  
              parameter_names.append(name)
              replacements[name] = value
  
          parameter_phrase = ', '.join([('%(' + p + ')s') for p in parameter_names])
  
          query = "CALL " + routine + "(" + parameter_phrase + ")"
          return (query, replacements)
docs: Return a query that uses raw string-replacement for parameters.
  
          The parameters will still be escaped before replaced-into the query (by 
          sqlalchemy).