Re: jsonb and nested hstore - Mailing list pgsql-hackers

Merlin Moncure <mmoncure@gmail.com> writes:
> On Wed, Mar 5, 2014 at 9:24 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Also, there might be other cases besides arrays where we've embedded
>> type OIDs in on-disk data; anyone remember?

> composite types.

But that's only the composite type's own OID, no?  So it's not really
a problem unless the type we wanted to move into (or out of) core was
itself composite.
        regards, tom lane