Re: Consistently use the XLogRecPtrIsInvalid() macro

Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>

From: Dagfinn Ilmari Mannsåker <ilmari@ilmari.org>
To: Peter Eisentraut <peter@eisentraut.org>
Cc: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>, Álvaro Herrera <alvherre@kurilemu.de>, Michael Paquier <michael@paquier.xyz>, Heikki Linnakangas <hlinnaka@iki.fi>, Quan Zongliang <quanzongliang@yeah.net>, pgsql-hackers@lists.postgresql.org
Date: 2025-11-07T17:18:41Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Replace literal 0 with InvalidXLogRecPtr for XLogRecPtr assignments

  2. Replace pointer comparisons and assignments to literal zero with NULL

  3. Use XLogRecPtrIsValid() in various places

  4. Introduce XLogRecPtrIsValid()

Peter Eisentraut <peter@eisentraut.org> writes:

> On 07.11.25 16:03, Bertrand Drouvot wrote:
>
>> +#define pg_attribute_deprecated(msg) [[deprecated(msg)]]
>> +#elif defined(__GNUC__) || defined(__clang__)
>
> The __clang__ part is not needed, because clang defines __GNUC__ also.

Or, to avoid having to know this, how about __has_attribute(deprecated)?

- ilmari