Re: alter table set TABLE ACCESS METHOD - Mailing list pgsql-hackers

On Fri, 2021-06-04 at 14:58 +0900, Michael Paquier wrote:
> In short, a table AMs would receive on a rewrite with ALTER TABLE
> tuples which may be toasted, still table_insert_tuple() should be
> able
> to handle both:
> - the case where this tuple was already toasted.
> - the case where this tuple has been already detoasted.

Yes. That's a current requirement, and any AM that doesn't do that is
already broken (e.g. for INSERT INTO ... SELECT).

Regards,
    Jeff Davis