Re: Removing pg_migrator limitations

Bruce Momjian wrote:
> > Well, we might eventually allow addition of values to enums too; the
> > fact that it's not implemented outside pg_migrator right now doesn't
> > mean we won't ever think of a solution.  In any case I'm not persuaded
> > that a zero-element enum is totally without value.  Think of it like a
> > domain with a "must be null" constraint.
> 
> OK, but that is going to expand the my patch.  I will probably implement
> zero-element enums first and then go ahead and do the binary upgrade
> part.  Zero-element enums will simplify the pg_dump code.

I have implemented the zero-value option to CREATE TYPE ENUM with the
attached patch.

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

  + If your life is a hard drive, Christ can be your backup. +