Re: Hidden Select - Mailing list pgsql-sql

From Peter Eisentraut
Subject Re: Hidden Select
Date
Msg-id Pine.LNX.4.30.0106121646270.756-100000@peter.localdomain
Whole thread Raw
In response to Re: Hidden Select  (Luis Sousa <llsousa@ualg.pt>)
List pgsql-sql
Luis Sousa writes:

> How's that ??
>
> How can i define the rule to do that ?

You just have to make the id column part of the view.

>
>
> Peter Eisentraut wrote:
>
> > Luis Sousa writes:
> >
> > > Suposing your example:
> > >
> > > Now i want to do a query to the view like this:
> > >
> > > SELECT * FROM C WHERE id=1;
> > >
> > > I whant to chose the id, but that id isn't in my select list !!!?????
> >
> > Then you will have to define your view differently.
> >
> > > > Do you mean like this?
> > > >
> > > > create table A (id int, content text);
> > > > create table B (id int, stuff numeric);
> > > > create view C as select A.content, B.stuff from A, B where A.id = B.id;
> >
> > --
> > Peter Eisentraut   peter_e@gmx.net   http://funkturm.homeip.net/~peter
> >
> > ---------------------------(end of broadcast)---------------------------
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>
>

-- 
Peter Eisentraut   peter_e@gmx.net   http://funkturm.homeip.net/~peter



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