Re: BUG #2980: check constraint fails on update

This is a known issue with 8.1.7. 8.1.8 was released shortly after 8.1.7
because of this.

Walter Cruz wrote:
-> The following bug has been logged online:
>
> Bug reference: 2980
> Logged by: Walter Cruz
> Email address: walter(dot)php(at)gmail(dot)com
> PostgreSQL version: 8.1.7
> Operating system: Linux
> Description: check constraint fails on update
> Details:
>
> Hi All. A simple table to test:
>
> CREATE TABLE simples
> (
> coluna varchar(10)
> )
> WITHOUT OIDS;
>
> ALTER TABLE simples
> ADD CONSTRAINT simples_coluna_check CHECK (coluna::text = 'girafa'::text
> OR coluna::text = 'bode'::text);
>
> INSERT INTO simples (coluna) VALUES ('girafa');
> (ok)
>
> INSERT INTO simples (coluna) VALUES ('bode');
> (ok)
>
> INSERT INTO simples (coluna) VALUES ('macaco'); (violates constraints, ok).
>
>
> UPDATE simples set coluna = 'girafa';
>
> FAILS!
>
> ERROR: attribute 1 has wrong type
> DETAIL: Table has type character varying, but query expects character
> varying.
>
> "PostgreSQL 8.1.7 on i486-pc-linux-gnu, compiled by GCC cc (GCC) 4.1.2
> 20061115 (prerelease) (Debian 4.1.1-21)"
>
> Works with 8.1.3 windows, 8.1.4 ubuntu, 8.2 windows.

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com