Re: Change copyObject() to use typeof_unqual

Jelte Fennema <postgres@jeltef.nl>

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

To: Peter Eisentraut <peter@eisentraut.org>

Cc: Daniel Gustafsson <daniel@yesql.se>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>

Date: 2026-03-13T16:15:12Z

Lists: pgsql-hackers

Attachments

fix.patch (text/x-patch) patch

On Fri, 13 Mar 2026 at 17:00, Peter Eisentraut <peter@eisentraut.org> wrote:
> that remove_reference_t is actually in C++14, which might explain this
> failure, if the compiler is in C++11 mode.

Yeah that's almost certainly it... Sorry about that.

> I don't understand the difference between remove_reference and
> remove_reference_t.

They are equivalent only the _t version as a bit less verbose.
Attached should fix it.

Commits

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

Add some const qualifiers enabled by typeof_unqual change on copyObject
- 7724cb9935a9 19 (unreleased) landed
Hardcode typeof_unqual to __typeof_unqual__ for clang
- 2eb6cd327cae 19 (unreleased) landed
Clean up postgres_fdw/t/010_subscription.pl.
- f4af7849b3db 19 (unreleased) cited
Hardcode override of typeof_unqual for clang-for-bitcode
- 63275ce84d2f 19 (unreleased) landed
Make typeof and typeof_unqual fallback definitions work on C++11
- cd083b54bd67 19 (unreleased) landed
Change copyObject() to use typeof_unqual
- 59292f7aac72 19 (unreleased) landed
- 4cfce4e62c8f 19 (unreleased) landed
Fixes for C++ typeof implementation
- 9c05f152b5dd 19 (unreleased) landed
Support using copyObject in standard C++
- 1887d822f142 19 (unreleased) cited