[postgis-users] What's the Purpose of the Geometry_Columns Table?

[Michael Fuhr]

On Tue, Sep 05, 2006 at 11:38:15AM -0400, Stephen Frost wrote:
> Having looked through the Postgres system tables a bit more though, why
> aren't we just using 'atttypmod'?  Is is possible for custom types to
> use that (I would have thought so...)?

I don't think that's currently possible.  The PostgreSQL TODO list
has the following items:

* Allow user-defined types to specify a type modifier at table creation time
* Allow user-defined types to accept 'typmod' parameters

http://www.postgresql.org/docs/faqs.TODO.html#section_4

-- 
Michael Fuhr