BUG #5719: Constraint Problem

The following bug has been logged online:

Bug reference: 5719
Logged by: KOTAPATI.KRISHNAIAH
Email address: kotapati(dot)krishna(at)hotmail(dot)com
PostgreSQL version: PostgreSQL8.3.1
Operating system: Microsoft Windows [Version 6.1.7600]
Description: Constraint Problem
Details:

create table kittu1 as select * from kota1; when i use this command ,i got
the following details:

CREATE TABLE kota1
(
did integer NOT NULL,
"name" character varying(40),
deptno integer NOT NULL DEFAULT 12,
CONSTRAINT kota1_pkey PRIMARY KEY (did)
)
WITH (OIDS=FALSE);
ALTER TABLE kota1 OWNER TO postgres;

CREATE TABLE kittu1
(
did integer,
"name" character varying(40),
deptno integer
)
WITH (OIDS=FALSE);
ALTER TABLE kittu OWNER TO postgres;