| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Noah Misch <noah(at)leadboat(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: md.c vs elog.c vs smgrreleaseall() in barrier |
| Date: | 2025-03-19 23:16:24 |
| Message-ID: | CA+hUKGJ+yqp4vrUYBpuT=FDFW39Y535OCz8=i+zKKtK4TNK=Ug@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Mar 20, 2025 at 12:06 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> Ah - it effectively is already in a critical section, just a weirdly spelled one:
>
> 2025-03-19 19:00:06.398 EDT [2156613][client backend][0/3:0][psql] LOG: statement: DROP TABLE foo;
> 2025-03-19 19:00:06.404 EDT [2156613][client backend][0/0:43139][psql] ERROR: muahahaha
> 2025-03-19 19:00:06.404 EDT [2156613][client backend][0/0:43139][psql] STATEMENT: DROP TABLE foo;
> 2025-03-19 19:00:06.404 EDT [2156613][client backend][0/0:43139][psql] WARNING: AbortTransaction while in COMMIT state
> 2025-03-19 19:00:06.404 EDT [2156613][client backend][0/0:43139][psql] PANIC: cannot abort transaction 43139, it was already committed
>
> Obviously not great, but better than corruption.
Yeah, I called that a crypto-critical-section over in this thread:
https://www.postgresql.org/message-id/flat/ZYw8gVOMF9gfp6i5%40pryzbyj2023
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