| From: | Jan Wieck <JanWieck(at)Yahoo(dot)com> |
|---|---|
| To: | Doug McNaught <doug(at)mcnaught(dot)org> |
| Cc: | David Wheeler <david(at)kineticode(dot)com>, Bruno Wolff III <bruno(at)wolff(dot)to>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: GUIDs |
| Date: | 2003-11-15 23:08:42 |
| Message-ID: | 3FB6B1FA.1020607@Yahoo.com |
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| Thread: | |
| Lists: | pgsql-general |
Doug McNaught wrote:
> David Wheeler <david(at)kineticode(dot)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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