Re: Looking for help regarding getting the latest inserted sequence value.

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От Richard Broersma Jr
Тема Re: Looking for help regarding getting the latest inserted sequence value.
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Msg-id 269699.61302.qm@web31814.mail.mud.yahoo.com
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Ответ на Re: Looking for help regarding getting the latest inserted sequence value.  (Magnus Hagander <magnus@hagander.net>)
Ответы Re: Looking for help regarding getting the latest inserted sequence value.  (Martijn van Oosterhout <kleptog@svana.org>)
Список pgsql-general
--- Magnus Hagander <magnus@hagander.net> wrote:

> If you're on 8.2 the easiest way is to use INSERT RETURNING. For example:
> INSERT INTO t (somefield) VALUES ('somevalue') RETURNING pkey
>
> with pkey being the SERIAL field.

I don't want to derail the thread too much, but would it be nice if the returning could be used in
a insert sub-query?

INSERT INTO Childtable ( parentfkey, childname )
     VALUES ( ( INSERT INTO Parenttable ( parentname )
                     VALUES ( 'FRED' ) RETURNING pkey ), 'Jed');

This with one statement, you could insert into two or more tables.

Regards,
Richard Broersma Jr.

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