code: def render_value_for_node(node_id):
      
      value = None
      result = []
      try:
          result = db.execute(text(fetch_query_string('select_node_from_id.sql')), node_id=node_id).fetchall()
      except DatabaseError as err:
          current_app.logger.error("DatabaseError: %s", err)
  
      if result:
          kw = dict(zip(result[0].keys(), result[0].values()))
          value = render_node(node_id, noderequest={'_no_template':True}, **kw)
  
      return value
docs: Wrap render_node for usage in operate scripts.  Returns without template
      rendered.