From: Ezequias Rodrigues da Rocha <ezequias.rocha@gmail.com>
To: Andrew Sullivan <ajs@crankycanuck.ca>
Cc: pgsql-sql@postgresql.org
Subject: Re: Populating using Select
Date: Tue, 26 Sep 2006 15:38:22 -0300
Message-ID: <55c095e90609261138i2b0e204h984507ad35ce4f9@mail.gmail.com> (raw)
In-Reply-To: <20060926125256.GB12878@phlogiston.dyndns.org>
References: <55c095e90609260535r1951013ep15ec0d5a89c8a78a@mail.gmail.com>
<20060926125256.GB12878@phlogiston.dyndns.org>
Thank you very much Andrew. Now I learned.
Best regards
From Brazil
Ezequias R. da Rocha
2006/9/26, Andrew Sullivan <ajs@crankycanuck.ca>:
>
> On Tue, Sep 26, 2006 at 09:35:18AM -0300, Ezequias Rodrigues da Rocha
> wrote:
> > I was trying to make something like this:
> >
> > Insert into base.neigborhood values (nextval(), Select distinct name
> from
> > base.clients).
>
> Not quite.
>
> INSERT INTO base.neighborhood (column list)
> SELECT nextval('sequence name'),
> name
> FROM base.clients
> GROUP BY name;
>
> Note that this will give you a different number for each of the
> names. If what you want is for them all to have the same number,
> then perform the nextval and then call currval() on the sequence.
>
> By the way, this is a pretty common use of SQL (inserting into one
> table the results of a select from another). If you thought this
> wouldn't work, you maybe need a little more SQL practice than you
> think you do. Any of the excellent PostgreSQL books out there should
> cover this much. Alternatively, the standard SQL introductions would
> get you there.
>
> A
>
> --
> Andrew Sullivan | ajs@crankycanuck.ca
> In the future this spectacle of the middle classes shocking the avant-
> garde will probably become the textbook definition of Postmodernism.
> --Brad Holland
>
> ---------------------------(end of broadcast)---------------------------
> TIP 4: Have you searched our list archives?
>
> http://archives.postgresql.org
>
--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Atenciosamente (Sincerely)
Ezequias Rodrigues da Rocha
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
A pior das democracias ainda é melhor do que a melhor das ditaduras
The worst of democracies is still better than the better of dictatorships
http://ezequiasrocha.blogspot.com/
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To: pgsql-sql@postgresql.org
Cc: ezequias.rocha@gmail.com, ajs@crankycanuck.ca
Subject: Re: Populating using Select
In-Reply-To: <55c095e90609261138i2b0e204h984507ad35ce4f9@mail.gmail.com>
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