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

Bruce Momjian <maillist@candle.pha.pa.us>

From: Bruce Momjian <maillist@candle.pha.pa.us>
To: herouth@oumail.openu.ac.il (Herouth Maoz)
Cc: wwwadmin@wizard.ca, pgsql-sql@postgreSQL.org
Date: 1998-05-19T18:38:32Z
Lists: 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?"


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