Re: [SQL] How to handle a requirement for nextval

Поиск
Список
Период
Сортировка
От Bruce Momjian
Тема Re: [SQL] How to handle a requirement for nextval
Дата
Msg-id 199805191838.OAA21176@candle.pha.pa.us
обсуждение исходный текст
Ответ на Re: [SQL] How to handle a requirement for nextval  (Herouth Maoz <herouth@oumail.openu.ac.il>)
Список pgsql-sql
Update FAQ.  See web site for new heading.

>
> At 23:33 +0300 on 18/5/98, The Web Administrator wrote:
>
>
> > What I want is that the Primary Key (Only Key) be type_id, and int, and
> > the first item that I insert should have type_id as '1', next will be
> > '2'  etc..
> > I could have every insert into this table include a type_id, but that
> > seems unessary.
> > Can I have something like default='nextval' ?
>
> This is so much a faq, that I went to look at the FAQ. In fact, there is a
> question there which is similar to this one, but I think its phrasing
> defeats newbies rather than helps them. I for one have never encountered
> fields of type SERIAL, and people might not think it's the same sort of
> question. The answer is even more of a problem, because the most commonly
> used method of doing this is summarised in "look at the create_sequence
> manual", whereas the two less recommended methods (using OIDs and using an
> auto-incrementing function) are discussed in detail.
>
> Bruce, don't you agree? Perhaps change the phrasing of the question to "How
> do I create an auto-incrementing field?"


--
Bruce Momjian                          |  830 Blythe Avenue
maillist@candle.pha.pa.us              |  Drexel Hill, Pennsylvania 19026
  +  If your life is a hard drive,     |  (610) 353-9879(w)
  +  Christ can be your backup.        |  (610) 853-3000(h)

В списке pgsql-sql по дате отправления:

Предыдущее
От: Jerome Knobl
Дата:
Сообщение: Exhausted memory
Следующее
От: The Hermit Hacker
Дата:
Сообщение: Re: [SQL] Exhausted memory