On Tue, Dec 02, 2003 at 07:44:54PM +0900, Iain wrote:
> T've been following this thread with interest because I have a related
> problem. Basically we are storing dates in CHAR fields with al the
> associated problems. I'd like to do it, but changing everything to date
> fields isn't practical for now, so as a stopgap solution, I want to provide
> some validation at the database level.
>
> I tried:
>
> create domain ymdtest2 as char(10) constraint valid_date check
> (VALUE::DATE);
There's no conversion function from char(n) to date, but there's one
from text to date. Try using check (VALUE::text::date).
--
Fduch M. Pravking
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