The following bug has been logged online:
Bug reference: 2390
Logged by: Andreas Kretschmer
Email address: andreas.kretschmer@schollglas.com
PostgreSQL version: 8.1.3
Operating system: Debian Linux
Description: check constraint
Details:
i want to add a check constraint like:
create table foo (i char(7) CHECK (i ~ '^[0-9]{6,7}$'));
i doesn't work, but if works, if i change the type for i to varchar(7).
Bug or feature?