This one was briefly discussed in an RMT meeting.
On Wed, Apr 09, 2025 at 01:16:20PM +0800, jian he wrote:
> attached patch is for address pg_dump inconsistency
> when parent is "not null not valid" while child is "not null".
I see an open item [0] that points to this patch, but there's no owner
listed, and there doesn't appear to have been any follow-up discussion.
Álvaro, should I list you as the owner, and if so, are you planning to look
at it soon?
[0] https://wiki.postgresql.org/wiki/PostgreSQL_18_Open_Items
--
nathan