Re: Make copyObject work in C++

Peter Eisentraut <peter@eisentraut.org>

From: Peter Eisentraut <peter@eisentraut.org>

To: Jelte Fennema-Nio <postgres@jeltef.nl>

Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Thomas Munro <thomas.munro@gmail.com>

Date: 2026-03-06T09:23:11Z

Lists: pgsql-hackers

On 02.03.26 11:56, Peter Eisentraut wrote:
> On 27.02.26 17:40, Jelte Fennema-Nio wrote:
>> On Fri Feb 20, 2026 at 10:47 AM CET, Jelte Fennema-Nio wrote:
>>> Makes total sense, I didn't realise decltype and typeof were not quite
>>> the same thing. Attached is an updated patchset that does that.
>>
>> Same patchset as before, but now also including a C++ fallback for
>> __builtin_types_compatible_p.
> 
> I have committed v10-0001.  Now let's give the buildfarm a few days.

I have committed v10-0002 and v10-0003 now.  I will look at the 
remaining patch in a few days.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

Enable test_cplusplusext with MSVC
- c05ad248f99c 19 (unreleased) landed
Disable some C++ warnings in MSVC
- 82a7cbea747c 19 (unreleased) landed
meson: Make room for C++-only warning flags for MSVC
- 4c83f1253593 19 (unreleased) landed
Make fixed-length list building macros work in C++
- f8e7ca328510 19 (unreleased) landed
Make unconstify and unvolatize use StaticAssertVariableIsOfTypeMacro
- 258248d0bdbf 19 (unreleased) landed
Use typeof everywhere instead of compiler specific spellings
- e2308350c9b7 19 (unreleased) landed
Test List macros in C++ extensions
- 3d28ecb5ac76 19 (unreleased) landed
Test most StaticAssert macros in C++ extensions
- 451650eaacd5 19 (unreleased) landed
Revert "Change copyObject() to use typeof_unqual"
- 0af05b5dbb42 19 (unreleased) landed
Fix for C++ compatibility
- b4555cb070f1 19 (unreleased) landed
tests: Add a test C++ extension module
- 476b35d4e311 19 (unreleased) landed