Re: [PATCH] random_normal function

From: "David E(dot) Wheeler" <david(at)justatheory(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Andrey Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Michael Paquier <michael(at)paquier(dot)xyz>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, pgsql-hackers(at)postgresql(dot)org, Paul Ramsey <pramsey(at)cleverelephant(dot)ca>
Subject: Re: [PATCH] random_normal function
Date: 2025-10-04 14:30:05
Message-ID: 49912FD6-5519-4702-82E5-7B8EA0977F1F@justatheory.com
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Hello old thread.

On Jan 19, 2023, at 01:01, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> I think "ignore:" was a kluge we put in twenty-plus years ago when our
> testing standards were a lot lower, and it's way past time we got
> rid of it.

Today I discovered a bad regex in the pgTAP Makefile that matched 18.0 as an 8.0 release and used it `ignore:` a test requiring RLS. I found it after I saw this test failure on Postgres 18:

# syntax error in schedule file "test/build/run.sch" line 3: ignore: policy

I fixed the regex (removed any detection of pre-9.0 matching, in fact), so all good there. But I wanted to point out that `ignore:` is documented in the wiki[1], so other extensions may use it. If no one else notices perhaps it’s not a big deal, but I want to call out that pg_regress features, “documented” or not, might be used outside the core.

Maybe the proper way to address this issue is to add formal docs for pg_regress. I always have the damnedest time finding its docs and usually end up on the Wiki. If there was official documentation for it like there is for `psql`, etc., it might help to prevent such issues in the future. Minor as they may be, admittedly.

Thoughts?

Best,

David

[1]: https://wiki.postgresql.org/wiki/Regression_test_authoring

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