Horton

Re: misleading error message in ProcessUtilitySlow T_CreateStatsStmt

Álvaro Herrera <alvherre@kurilemu.de>

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From: Álvaro Herrera <alvherre@kurilemu.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Kirill Reshke <reshkekirill@gmail.com>, jian he <jian.universality@gmail.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2025-08-22T15:35:20Z
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. CREATE STATISTICS: improve misleading error message

  2. Glossary: improve definition of "relation"

  3. Extended statistics on expressions

On 2025-Aug-22, Tom Lane wrote:

> I'm not certain, but I think that our use of "relation" to mean
> "an object with a pg_class entry" is a Postgres-ism.  I do know
> that the meaning of "a set of tuples" is widely used, as that's
> where the term "relational database" comes from.  Maybe whoever
> wrote this was trying to get at that point?  But this text is
> hardly clear about that.

Yeah, AFAIR I wrote it (or at least heavily edited the original to get
to that), and I was trying to convey exactly those two ideas.  If you
want to propose improvements, they're very welcome.

-- 
Álvaro Herrera        Breisgau, Deutschland  —  https://www.EnterpriseDB.com/
"Puedes vivir sólo una vez, pero si lo haces bien, una vez es suficiente"