> Bruce Momjian wrote:
>
> > Is there a way to automatically uppercase a column upon insert or
> > update?
> >
> > I don't think rules can do that because of the problem of recursion.
> > The only way I think it can be done is using triggers. Is that correct?
> >
>
> Since triggers are available in postgreSQL, that should be the way, yes.
> You have to have access to the NEW values in your trigger, and then you
> should say something like
> NEW.field := upper(NEW.field) ;
>
> In older database systems this would be done in the entry system, but
> then you have a coupling between your application and the database.
Thanks. I was just seeking confirmation for my book. I expected
triggers where the only way.
--
Bruce Momjian | http://www.op.net/~candle
pgman@candle.pha.pa.us | (610) 853-3000
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