Re: Change pg_cancel_*() to ignore current backend

From: David Steele <david(at)pgmasters(dot)net>
To: Jim Nasby <Jim(dot)Nasby(at)BlueTreble(dot)com>, fabriziomello(at)gmail(dot)com
Cc: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Marko Tiikkaja <marko(at)joh(dot)to>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Change pg_cancel_*() to ignore current backend
Date: 2015-05-20 11:41:58
Message-ID: 555C7306.6060506@pgmasters.net
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On 5/20/15 1:40 AM, Jim Nasby wrote:
> On 5/19/15 9:19 PM, Fabrízio de Royes Mello wrote:
>> We could add a second parameter to the current functions:
>> allow_own_pid DEFAULT false. To me that seems better than an
>> entirely separate set of functions.
>>
>>
>> +1 to add a second parameter to current functions.
>
> Instead of allow_own_pid, I went with skip_own_pid. I have the function
> still returning true even when it skips it's own PID... that seems a bit
> weird, but I think it's better than returning false. Unless someone
> thinks it should return NULL, but I don't see that as any better either.

+1. I agree that cancelling/killing your own process should not be the
default behavior.

--
- David Steele
david(at)pgmasters(dot)net

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