Re: A few misc. questions.

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От Ragnar Kjørstad
Тема Re: A few misc. questions.
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Msg-id 20000527093210.B29792@vestdata.no
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Ответ на Re: A few misc. questions.  (Peter Eisentraut <e99re41@DoCS.UU.SE>)
Ответы query buffer max length of 16384 exceeded  ("Rainer Mager" <rmager@vgkk.com>)
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On Fri, May 26, 2000 at 04:15:31PM +0200, Peter Eisentraut wrote:
> On Fri, 26 May 2000, Rainer Mager wrote:
>
> > 2. Does anyone one know a standard SQL method (that works with Postgres) to
> > retrieve the primary key of a newly INSERTed record? We've found one way but
> > it will not work with order databases since it relies on reading data from
> > the sequence tables.
>
> Again, what you do with your primary keys is up to you. Ideally you won't
> need to retrieve the primary key value because you know what you just
> inserted. If you are talking about serial, then the answer is there isn't
> one because serial isn't SQL. But as someone already said, the curval
> function will do.

Another approach is something like this:
pkey=sql("select nextval('some-sequence')")
sql("insert into table values ($pkey, $data)")



--
Ragnar Kjørstad

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