Re: Drawbacks of using BYTEA for PK?

Поиск
Список
Период
Сортировка
От David Garamond
Тема Re: Drawbacks of using BYTEA for PK?
Дата
Msg-id 4003B849.5080309@zara.6.isreserved.com
обсуждение исходный текст
Ответ на Re: Drawbacks of using BYTEA for PK?  (Alex Satrapa <alex@lintelsys.com.au>)
Ответы Re: Drawbacks of using BYTEA for PK?  (Alex Satrapa <alex@lintelsys.com.au>)
Список pgsql-general
Alex Satrapa wrote:
> As long as you don't use RFC1918 addresses, the IPv4 address(es) of the
> host should be unique for the Internet. Append/prepend a 32 bit
> timestamp and you have a 64bit unique identifier that is "universally"
> unique (to one second).

Remember that /sbin/ifconfig output usually include MAC address too. Not
that MAC addresses are 100% unique, but that should increase the uniqueness.

--
dave

В списке pgsql-general по дате отправления:

Предыдущее
От: "John Sidney-Woollett"
Дата:
Сообщение: Re: Drawbacks of using BYTEA for PK?
Следующее
От: Bernd Helmle
Дата:
Сообщение: Reallife szenario for GEQO