From: | "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com> |
---|---|
To: | "Andreas Joseph Krogh" <andreak(at)officenet(dot)no> |
Cc: | pgsql-sql(at)postgresql(dot)org |
Subject: | Re: Having elements of an int[]-array reference other tables |
Date: | 2008-01-21 11:29:47 |
Message-ID: | 162867790801210329o1e56fafsd908365a911db28a@mail.gmail.com |
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Lists: | pgsql-sql |
Hello,
it isn't possible without custom triggers.
regards
Pavel Stehule
On 21/01/2008, Andreas Joseph Krogh <andreak(at)officenet(dot)no> wrote:
> Hi.
> Is it possible in PG to have elements in an int[]-array reference another
> int-column in another table? What I want is it to behave as a foreign key.
>
> create table master(
> my_id integer primary key
> );
>
> create table test(
> id serial primary key,
> id_array integer[] references master(my_id)
> );
>
> It would be nice if one could have elements in test.id_array to reference
> elements in master.my_id, with all the benefits of ON DELETE | UPDATE etc.
>
> I know I can accomplish this with triggers, but if there exists something
> built-in I'd like to know.
>
> --
> Andreas Joseph Krogh <andreak(at)officenet(dot)no>
> Senior Software Developer / Manager
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