Re: Generate user/group sysids from a sequence?

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: Generate user/group sysids from a sequence?
Дата
Msg-id 200301171738.h0HHc9l25690@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: Generate user/group sysids from a sequence?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Generate user/group sysids from a sequence?  (Robert Treat <xzilla@users.sourceforge.net>)
Список pgsql-hackers
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> >> This way, we don't need to bother with
> >> touching the sequence at all during a CREATE USER with explicit sysid.
> 
> > Well, the problem is that this could still cause the reuse of a deleted
> > user, no?  Wasn't that the problem we were originally trying to solve?
> 
> Hmm, yeah I guess so.  Okay, we do need to compare an explicit SYSID
> setting to the sequence, and bump up the sequence if it's greater.
> Annoying, but I guess there's no choice.

Yea, I wished we could have avoided it too, but at least we are removing
the sequential scan.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
359-1001+  If your life is a hard drive,     |  13 Roberts Road +  Christ can be your backup.        |  Newtown Square,
Pennsylvania19073
 


В списке pgsql-hackers по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: Generate user/group sysids from a sequence?
Следующее
От: Ketrien Saihr-Kenchedra
Дата:
Сообщение: Re: Generate user/group sysids from a sequence?