Re: GUIDs

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От Jan Wieck
Тема Re: GUIDs
Дата
Msg-id 3FB6B1FA.1020607@Yahoo.com
обсуждение исходный текст
Ответ на Re: GUIDs  (Doug McNaught <doug@mcnaught.org>)
Список pgsql-general
Doug McNaught wrote:

> David Wheeler <david@kineticode.com> writes:
>
>> On Friday, November 14, 2003, at 12:04  AM, Bruno Wolff III wrote:
>>
>> > Couldn't you use numeric? That should be fairly portable.
>>
>> Not really. The GUID is 128 bits, which doesn't work so well on 32-bit
>> systems.
>
> NUMERIC is an arbitrary-precision integer, not a machine word.

No, NUMERIC is an arbitrary precision _numeric_ type that uses string
math internally. Want log(2.0) with 200 digits precision?


Jan

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