2009/11/24 Caleb Cushing <xenoterrac...@gmail.com>: >> 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
no - "--" is line comment in SQL - it same like "//" in C++ Regards Pavel Stehule > > -- > Caleb Cushing > > http://xenoterracide.blogspot.com > -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
