docs: def insert(dbconn, packet):
      """Inserts the given packet into the connected database."""
      values = [ ]
      pd     = packet._defn
  
      for defn in pd.fields:
          if defn.enum:
              val = getattr(packet.raw, defn.name)
          else:
              val = getattr(packet, defn.name)
  
          if val is None and defn.name in pd.history:
              val = getattr(packet.history, defn.name)
  
          values.append(val)
  
      qmark = ['?'] * len(values)
      sql   = 'INSERT INTO %s VALUES (%s)' % (pd.name, ', '.join(qmark))
  
      dbconn.execute(sql, values)