code: def __insert_data(postid, userid, rating):
          '''
          Inert new record.
          '''
          uid = tools.get_uuid()
          TabRating.create(
              uid=uid,
              post_id=postid,
              user_id=userid,
              rating=rating,
              timestamp=tools.timestamp(),
          )
          return uif __insert_data(postid, userid, rating):
          '''
          Inert new record.
          '''
          uid = tools.get_uuid()
          TabRating.create(
              uid=uid,
              post_id=postid,
              user_id=userid,
              rating=rating,
              timestamp=tools.timestamp(),
          )
          return uid
docs: Inert new record.