| From: | Jelte Fennema-Nio <postgres(at)jeltef(dot)nl> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Alexander Lakhin <exclusion(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>, Denis Laxalde <denis(dot)laxalde(at)dalibo(dot)com>, vignesh C <vignesh21(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Greg Stark <stark(at)mit(dot)edu>, "Gregory Stark (as CFM)" <stark(dot)cfm(at)gmail(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com> |
| Subject: | Re: [EXTERNAL] Re: Add non-blocking version of PQcancel |
| Date: | 2024-11-22 09:19:16 |
| Message-ID: | CAGECzQSc=hQ5tsHG3Ep48LXixUCPvX0AXbsE-H+aYZ6AVO6t0w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, 22 Nov 2024 at 01:37, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> How would we do that? libpqsrv_cancel is not chartered to wait around
> for the results of the cancel, and I'm not even sure that it could
> know what to check for.
Ah yeah, you're right. I got confused by the two timeouts (the one to
wait for the response of the cancel request itself, and the one to
wait for the running query to actually be cancelled).
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