Re: references fail over rows inserted via inherited tables

On Sun, 20 May 2001 pgsql-bugs(at)postgresql(dot)org wrote:

> Diego Saravia (dsa(at)unsa(dot)edu(dot)ar) reports a bug with a severity of 4
> The lower the number the more severe it is.
>
> Short Description
> references fail over rows inserted via inherited tables
>
> Long Description
> When you insert a row via an inherited table, with 7.1.1, you can see in the parent table.
>
> But when you try to insert a reference to that value you can't.

Yes. Right now the constraint only references the rows actually
existing in the parent table not the hierarchy. (See archives
of -bugs and -general for alot of message about this).

>
> create table trabajo2(
> titulo text,
> propietario integer references usuario );
>
> /*
> ERROR: PRIMARY KEY for referenced table "usuario" not found
>
> I think that this is also not Ok
>
> */

This is because primary keys do not currently inherit to child
tables, so there really isn't a primary key on usuario.