Re: Can I getting a unique ID from a select

Поиск
Список
Период
Сортировка
От Timasmith
Тема Re: Can I getting a unique ID from a select
Дата
Msg-id 1172969204.965508.210800@v33g2000cwv.googlegroups.com
обсуждение исходный текст
Ответ на Re: Can I getting a unique ID from a select  (Bruno Wolff III <bruno@wolff.to>)
Ответы Re: Can I getting a unique ID from a select  (Bruno Wolff III <bruno@wolff.to>)
Список pgsql-general
On Mar 3, 7:12 pm, b...@wolff.to (Bruno Wolff III) wrote:
> On Thu, Mar 01, 2007 at 06:16:02 -0800,
>  Timasmith<timasm...@hotmail.com> wrote:
>
> > I am using hibernate, using a view like a read only table and I need a
> > primary key each time a select is issued.
>
> > create view myview as
> > select rownum, t1.field, t2.field
> > from tableOne t1, tableTwo t2
> > where t1.key = t2.fkey
>
> > select * from myview
>
> > But what I really need is
>
> > select makemeauniquekey, t1.field, t2.field
> > ...
>
> Is there some reason you can't use the join key?
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Have you searched our list archives?
>
>                http://archives.postgresql.org/


Never heard of a 'join key' but that sounds very promising.  How do I
select it?


В списке pgsql-general по дате отправления:

Предыдущее
От: Martijn van Oosterhout
Дата:
Сообщение: Re: date format
Следующее
От: "David Lowe"
Дата:
Сообщение: Re: Support for idempotent schema changes?