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Re: Make copyObject work in C++

Jelte Fennema <postgres@jeltef.nl>

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From: "Jelte Fennema-Nio" <postgres@jeltef.nl>
To: "Peter Eisentraut" <peter@eisentraut.org>
Cc: "PostgreSQL Hackers" <pgsql-hackers@lists.postgresql.org>, "Thomas Munro" <thomas.munro@gmail.com>
Date: 2026-02-27T16:40:21Z
Lists: pgsql-hackers

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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.

Commits

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

  1. Enable test_cplusplusext with MSVC

  2. Disable some C++ warnings in MSVC

  3. meson: Make room for C++-only warning flags for MSVC

  4. Make fixed-length list building macros work in C++

  5. Make unconstify and unvolatize use StaticAssertVariableIsOfTypeMacro

  6. Use typeof everywhere instead of compiler specific spellings

  7. Test List macros in C++ extensions

  8. Test most StaticAssert macros in C++ extensions

  9. Revert "Change copyObject() to use typeof_unqual"

  10. Fix for C++ compatibility

  11. tests: Add a test C++ extension module