Re: inserting to a multi-table view

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От Michael Shulman
Тема Re: inserting to a multi-table view
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Msg-id c3f821000806170815n6ce02e8ctc0e0b173e678cdf9@mail.gmail.com
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Ответ на Re: inserting to a multi-table view  (Philippe Grégoire<philippe.gregoire@boreal-is.com>)
Ответы Re: inserting to a multi-table view  ("Michael Shulman" <shulman@mathcamp.org>)
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On Tue, Jun 17, 2008 at 7:56 AM, Philippe Grégoire
<philippe.gregoire@boreal-is.com> wrote:
> CREATE RULE studentinro_insert AS ON INSERT TO studentinfo
> DO INSTEAD
> (
> INSERT INTO person ...;
> INSERT INTO student(person_id,...) VALUES
> (currval('person_person_id_seq'),...);
> );

I initially thought of this, but discounted it because if the original
insert query tried to set person_id directly (instead of getting it from
the default sequence) the supplied value would have to be discarded.  I
have any plans to do anything of the sort, though, and I suppose the user
has little right to expect to be able to do such a thing safely anyway.
So perhaps this is the simplest solution; thanks.

Mike

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