Re: Make COPY format extendable: Extract COPY TO format implementations

Hi,

In <CAD21AoBwxgfkMYxgPWyrLG-r8-ptVKjd=jhncY_QAaVJYhQQdw@mail.gmail.com>
  "Re: Make COPY format extendable: Extract COPY TO format implementations" on Thu, 12 Jun 2025 10:00:12 -0700,
  Masahiko Sawada <sawada.mshk@gmail.com> wrote:

>> So, my opinion is to rely on _PG_init(), with a shared ID if you want
>> to expose the method used somewhere for monitoring tools.  You could
>> as well implement the simpler set of APIs that allocates IDs local to
>> each backend, like EXPLAIN, then consider later if shared IDs are
>> really needed.  The registration APIs don't have to be fixed in time
>> across releases, they can be always improved in steps as required.
>> What matters is ABI compatibility in the same major version once it is
>> released.
> 
> +1 to start with a simpler set of APIs.

OK. I'll implement the initial version with this
design. (Allocating IDs local not shared.)


Thanks,
-- 
kou