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Re: BUG #4167: When generating UUID using UUID-OSSP module, UUIDs are not unique on Windows

From: "Hiroshi Saito" <z-saito(at)guitar(dot)ocn(dot)ne(dot)jp>
To: "Peter Eisentraut" <peter_e(at)gmx(dot)net>,"Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: <pgsql-bugs(at)postgresql(dot)org>,"Alvaro Herrera" <alvherre(at)commandprompt(dot)com>,"nicoanto" <na(at)mnm-consulting(dot)com>
Subject: Re: BUG #4167: When generating UUID using UUID-OSSP module, UUIDs are not unique on Windows
Date: 2008-05-15 03:35:49
Message-ID: 039e01c8b63c$d0c95e90$60096cdb@IBMC9A0F63B40D (view raw or flat)
Thread:
Lists: pgsql-bugs
Hi

Ahhh, This problem is reproduced. :-(
Sorry, I neglect it. Then, the following is considered as management. 
http://winpg.jp/~saito/pg_work/OSSP_win32/getrand.c
I will consult to Ralf-san tonight. or weekend...

Regards,
Hiroshi Saito

----- Original Message ----- 
From: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>


> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
>> Am Mittwoch, 14. Mai 2008 schrieb Alvaro Herrera:
>>> Hmm, surely the problem is unrelated?  He gets the same numbers on
>>> _Windows_, whereas Ubuntu shows the good behavior.
> 
>> Oh, I read it backwards.  So then the random number generator on Windows is 
>> the problem in this case.
> 
>>> Also, OOSP-UUID does not depend on OpenSSL AFAIR.
> 
>> Written by the same guy anyway. :-/
> 
> Well, in any case this is surely a bug in the Windows port of
> libossp-uuid, and so needs to be reported to them not us.
> 
> regards, tom lane

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