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From: Robert Haas <robertmhaas@gmail.com>
Date: Tue, 7 Apr 2026 10:17:12 -0400
Message-ID: 
 <CA+TgmobXFPn9HF4KmRB9Sg=uT2+2ss+jQexpQO4pY_mueCqADg@mail.gmail.com>
Subject: Re: pg_plan_advice
To: Lukas Fittl <lukas@fittl.com>
Cc: Jakub Wartak <jakub.wartak@enterprisedb.com>,
 Tom Lane <tgl@sss.pgh.pa.us>,
	PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
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Precedence: bulk

On Sat, Apr 4, 2026 at 4:12=E2=80=AFAM Lukas Fittl <lukas@fittl.com> wrote:
> I think we should document the restrictions on advice names here (i.e.
> they must be alphanumeric or contain an underscore, not start with a
> digit, and maximum NAMEDATLEN).

I committed 0001 without this change. Please feel free to propose a
clean-up patch that adds this. I wasn't certain where the best place
to add it was, or what the wording ought to be exactly.

> > +/*
> > + * Remove all stashes and entries from shared memory.
> > + *
> > + * This is intended to be called before reloading from a dump file, so=
 that
> > + * a failed previous attempt doesn't leave stale data behind.
> > + */
> > +void
> > +pgsa_reset_all_stashes(void)
> > +{
>
> I think this might be good to expose on the SQL level as well - in
> case someone accidentally created a lot of stashes it could be tedious
> to remove them all, e.g. if they wanted to clear all the memory after
> an experiment.