| From: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
|---|---|
| To: | Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> |
| Cc: | Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, dev(at)archonet(dot)com |
| Subject: | Re: serial as FK ? |
| Date: | 2005-02-28 20:16:27 |
| Message-ID: | Pine.GSO.4.62.0502282314220.18315@ra.sai.msu.su |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Mon, 28 Feb 2005, Stephan Szabo wrote:
>
> On Mon, 28 Feb 2005, Oleg Bartunov wrote:
>
>> what's wrong to use SERIAL as FK without explicit PRIMARY KEY or UNIQUE ?
>
> Serial isn't enough to guarantee uniqueness as required by foreign keys.
you're certainly right !
>
Regards,
Oleg
_____________________________________________________________
Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su, http://www.sai.msu.su/~megera/
phone: +007(095)939-16-83, +007(095)939-23-83
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