Re: Re: Date of creation and of change

Andreas Tille wrote:
>
> On Fri, 25 Aug 2000, hlefebvre wrote:
>
> > No I suppose that the problem is the identifier "changedat" is unknown.
> >
> > You must probably prefix it : NEW.changedat
> >
> > CREATE FUNCTION changed_at_timestamp() RETURNS OPAQUE AS '
> > BEGIN
> > NEW.ChangedAt := timestamp(''now'');
> > RETURN NEW;
> > END;
> > ' LANGUAGE 'plpgsql';
> >
> > I didn't test it, but as pgSQL looks like Oracle, it should be ok :-)
> This avoids the error message, but doesn't have any effect to the value
> of ChangedAt. It just remains the same as CreatedAt :-(.
>

I tried...
I fact it seems that it doesn'nt work if you don't use the changedat
column in your UPDATE our insert statement. Just put null, and it will
be ok I think.