From: | Daniil Davydov <3danissimo(at)gmail(dot)com> |
---|---|
To: | Steven Niu <niushiji(at)gmail(dot)com> |
Cc: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, "Andrey M(dot) Borodin" <x4mmm(at)yandex-team(dot)ru>, Andres Freund <andres(at)anarazel(dot)de>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Rafia Sabih <rafia(dot)pghackers(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Forbid to DROP temp tables of other sessions |
Date: | 2025-03-17 10:13:27 |
Message-ID: | CAJDiXgiZk96WbpspeH2wrOHPqct0_sfu=SEt_HdL503DeOHhoA@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi,
On Mon, Mar 17, 2025 at 4:48 PM Steven Niu <niushiji(at)gmail(dot)com> wrote:
>
> 1. namespace.c, if relation->schemaname is pg_temp but myTempNamespace
> isn't set, the error information might be misleading. Consider checking
> OidIsValid(myTempNamespace) first.
Could you please clarify exactly which place in the code we are
talking about? I think we handle this case in the
LookupExplicitNamespace call (with all appropriate error information).
>
> 2."you have not any temporary relations" --> "you have no any temporary
> relations"
I am not an English speaker, but it seems that "have not" would be
more correct. Someone has to judge us :)
>
> 3. Regarding to the code "strncmp(nspname, "pg_temp", 7)", is it ok when
> the nspname contains something like "pg_temp_1234"? I think we should
> use strcmp instead of strncmp for exact matching.
Great catch! I'll fix it. Please, see v3 patch.
--
Best regards,
Daniil Davydov
Attachment | Content-Type | Size |
---|---|---|
v3-0001-Fix-accessing-other-sessions-temp-tables.patch | text/x-patch | 5.9 KB |
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