| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | Jelte Fennema-Nio <postgres(at)jeltef(dot)nl> |
| Cc: | Noah Misch <noah(at)leadboat(dot)com>, Jacob Champion <jacob(dot)champion(at)enterprisedb(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 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>, Jelte Fennema <Jelte(dot)Fennema(at)microsoft(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Andres Freund <andres(at)anarazel(dot)de>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, 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: | 2024-03-27 18:46:19 |
| Message-ID: | 202403271846.yfbljes2v3zq@alvherre.pgsql |
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| Lists: | pgsql-hackers |
On 2024-Mar-27, Alvaro Herrera wrote:
> I changed it so that the error messages are returned as translated
> phrases, and was bothered by the fact that if errors happen repeatedly,
> the memory for them might be leaked. Maybe this is fine depending on
> the caller's memory context, but since it's only at most one string each
> time, it's quite easy to just keep track of it so that we can release it
> on the next.
(Actually this sounds clever but fails pretty obviously if the caller
does free the string, such as in a memory context reset. So I guess we
have to just accept the potential leakage.)
--
Álvaro Herrera 48°01'N 7°57'E — https://www.EnterpriseDB.com/
"La conclusión que podemos sacar de esos estudios es que
no podemos sacar ninguna conclusión de ellos" (Tanenbaum)
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