Re: Primary Key with serial

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От x asasaxax
Тема Re: Primary Key with serial
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Msg-id 91495cb0803310952p22ad1463rae2a3807ba0fdec6@mail.gmail.com
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Ответ на Re: Primary Key with serial  (Berend Tober <btober@ct.metrocast.net>)
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can anyone do a example for me.. an explain how it works?
 
Thanks a lot

 
2008/3/29, Berend Tober <btober@ct.metrocast.net>:
x asasaxax wrote:
>    I have the following table    create table product(cod serial, user_cod
> bigint, constraint product_fk Foreign Key(user_cod) references user(cod),
> constraint product_pk Primary Key(cod, user_cod));
>
> What i want to happend is that:
> user_cod            cod
> 1                         1
> 1                         2
> 1                         3
> 2                         1
> 3                         1
> 3                         2
>
> Can serial do that? ...

No.

> ...what can  i do to make this happen?


http://archives.postgresql.org/pgsql-general/2006-08/msg00744.php



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