On Thu, Dec 22, 2011 at 1:04 AM, Joey Adams <joeyadams3.14159@gmail.com> wrote:
> What I'm wondering is: how complex would it be to add such a feature
> to PostgreSQL's type system?
Very.
It's been discussed before, although I can't tell you the subject
lines of the threads off the top of my head. The basic problem is
that there is a ton of code that assumes that a type is fully
identified by an OID, and all of that code would need to be changed.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company