Re: invalid constraint type "n" when using pg_catalog.pg_get_constraintdef() on pg17, regression from pg16

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Mike Bayer <mike_mp(at)zzzcomputing(dot)com>
Cc: "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: Re: invalid constraint type "n" when using pg_catalog.pg_get_constraintdef() on pg17, regression from pg16
Date: 2024-12-12 14:14:24
Message-ID: CAKFQuwbfZe4MGKzovK2uYXjKgk9OmS=ufY43_QZ_yESBy-7shg@mail.gmail.com
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On Thursday, December 12, 2024, Mike Bayer <mike_mp(at)zzzcomputing(dot)com> wrote:

> this occurs on postgresql 17.2 and did not occur on any previous version
> including 16, 15, 14. apologies if this has already been reported but I
> didn't see any means of looking up existing issues

https://www.postgresql.org/search/?m=1

$ psql -U scott -h pg17 test
> Password for user scott:
> psql (16.3, server 17.2)
> WARNING: psql major version 16, server major version 17.
> Some psql features might not work.

This is apparently just such a feature…

David J.

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