Re: ALTER TYPE 0: Introduction; test cases

On Tue, Jan 11, 2011 at 07:27:46AM -0500, Robert Haas wrote:
> On Tue, Jan 11, 2011 at 7:14 AM, Noah Misch <noah@leadboat.com> wrote:
> > True. ?At least we could completely document the lock choices on the ALTER TABLE
> > reference page. ?The no-rewrite cases are defined at arms length from ALTER
> > TABLE, and users can define their own, so it's a tougher fit.
> 
> I don't think it's prohibitively, tough, though, and I think it would
> be very valuable.  We may have to scratch our heads over exactly where
> to put the information, but we can figure out something that works.

Agreed.  I don't mean to suggest giving up on documenting anything, just that
some behaviors are clear enough by documentation alone, while others benefit
from additional syntax/messages to constrain/see what actually happens.