| From: | Bruce Momjian <bruce(at)momjian(dot)us> |
|---|---|
| To: | Gang Chen <gchen(at)s2now(dot)com> |
| Cc: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: 回复: BUG #18892: When the view already exists, CREATE OR REPLACE VIEW does not check whether the table exists. |
| Date: | 2025-04-16 16:43:12 |
| Message-ID: | Z__eIEU2vKvisr5Z@momjian.us |
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| Thread: | |
| Lists: | pgsql-bugs |
On Mon, Apr 14, 2025 at 08:55:04AM +0000, Gang Chen wrote:
> Hello,
>
> But isn't that kind of strange? If it's just a very simple view, first of all,
> referencing itself would result in an infinite recursion error. Also, it
> doesn't seem to have any practical use. Secondly, during pg_upgrade or backup
> and restore processes, it might introduce unnecessary errors and additional
> handling procedures.
You are right, but disallowing only that setup would be confusing. To
keep the user interface simple, we should either allow a general class
of things or disallow them.
--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com
Do not let urgent matters crowd out time for investment in the future.
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