Re: BUG #6489: Alter table with composite type/table

On Wed, Mar 14, 2012 at 07:19:14PM +0100, Rikard Pavelic wrote:
> On 13.3.2012. 20:49, Merlin Moncure wrote:
> > I personally think it's an oversight.  This was just discussed a
> > couple of days ago here:
> > http://postgresql.1045698.n5.nabble.com/Altering-a-table-with-a-rowtype-column-td5544844.html
> >
> > The server is blocking the alter-not-null-with-default because it's
> > assuming that the default should be applied to dependent (foreign)
> > tables implementing the type as a field.  I think this assumption is
> > totally bogus because composite types defaults get applied to the
> > type, not to member fields and therefore a default has no meaning in
> > that context.   I think the TODO should read to relax the check
> > essentially.
> >
> > merlin
> >
>
> I agree.
> TODO: alter table-type columns according to attribute type rules.
> Enforce only TYPE features and ignore TABLE features when altering composite table-types.
>
> While I'm making up TODO's, my favorite one: support recursive types.

Should we add this TODO?  I am confused by the text above though.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +