Re: pl/tcl function to detect when a request has been canceled

From: Peter Da Silva <peter(dot)dasilva(at)flightaware(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pl/tcl function to detect when a request has been canceled
Date: 2018-06-08 19:05:12
Message-ID: C82A8B79-027A-4A6D-89FE-5859C240A409@flightaware.com
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On 6/8/18, 1:12 PM, "Andres Freund" <andres(at)anarazel(dot)de> wrote:
I'm not terribly opposed to this, but I wonder if the much more
pragmatic solution is to just occasionally call a database function that
checks this? You could just run SELECT 1 occasionally :/

That seems to work, and I suppose in most cases the overhead could be mitigated by only calling it every N times through a loop, but it's not as clean.

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