Re: named generic constraints [feature request]

> CREATE OR REPLACE FUNCTION emptystr(text)
> RETURNS bool AS $$
>  SELECT $1 <> ''; -- it is SQL not C
> $$ LANGUAGE sql;
>
> CREATE TABLE users(
>  username TEXT CHECK (NOT emptystr(username)),

although I'm not going to continue discussing the request. this code
as the opposite desired effect. it should be

SELECT $1 = ''; -- you have a double negative

--
Caleb Cushing

http://xenoterracide.blogspot.com