Stephan,
But "not null" is in contradiction with "default null" so the create
statement should not proceed successfuly IMHO.
Regards,
Behi
On 9/10/06, Stephan Szabo <sszabo@megazone.bigpanda.com> wrote:
> On Sun, 10 Sep 2006, Behrang Saeedzadeh wrote:
>
> > Shouldn't this create statement trigger an error?
> >
> > create table bar (col1 int not null default null);
> >
> > Shouldn't I be forbidden to insert null values into a non null column?
>
> I think it should forbid it when the default actually comes into play like
> on insert or update, but not at create table time as there are no rows for
> which the constraint fails.
>
> For example after that:
> sszabo=# insert into bar default values;
> ERROR: null value in column "col1" violates not-null constraint
>
--
"We can only see a short distance ahead,
but we can see plenty there
that needs to be done." - Alan Turing
"Science is a differential equation. Religion
is a boundary condition" - Alan Turing
Behrang Saeedzadeh
http://www.jroller.com/page/behrangsa
http://my.opera.com/behrangsa