Andrew Dunstan <andrew@dunslane.net> writes:
> Kevin Grittner wrote:
>> Any idea whether domains are an issue?
> I don't believe that they are an issue. The issue arises only when a
> catalog oid is used in the on-disk representation of a type. AFAIK the
> on-disk representation of a domain is the same as its base type.
Arrays of domains would be a problem, if we had 'em, which we don't...
Also, as Peter already noted, arrays of built-in types are not really a
problem because the OID won't have changed since 8.3. It's only arrays
of types created post-initdb that are risk factors.
regards, tom lane