Switch to v7.0 beta1 and use FOREIGN KEY. You will save a lot of time.
Before you really finish your development there will be 7.0 production (this
is my private estimation).
Andrzej Mazurkiewicz
> -----Original Message-----
> From: Raigo Lukk [SMTP:[EMAIL PROTECTED]]
> Sent: 7 marca 2000 13:55
> To: [EMAIL PROTECTED]
> Subject: [GENERAL] Trigger
>
> Hi
>
> I am trying to create a trigger for a detail table to check that value
> what is entered exists in master table.
> For example into CustomerOrder table could not be enterd order for
> Customer what does not exists.
>
> How is it best done in PostgreSQL?
>
> I believe a trigger is what I must do.
> I looked the documentation in the part of triggers and there was an
> trigger example what had a part:
> execute procedure procedurename
> Does this mean that I should create a procedure for each trigger?
> Going further I found no Create Procedure in the documentation ... so
> how to create procedures in PostgreSQL?
>
>
> Maybe, somebody could send me some example trigger for checking detail
> record value's existance in master table.
>
> Sorry, for simple question, but I just started using PostgreSQL.
>
>
> Thanks
> Raigo
> [EMAIL PROTECTED]
>
>
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