Re: LOCK TABLE .. DEFERRABLE

From: Andres Freund <andres(at)anarazel(dot)de>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Rod Taylor <rod(dot)taylor(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: LOCK TABLE .. DEFERRABLE
Date: 2016-04-05 17:18:27
Message-ID: 20160405171827.vo7ml6puj6dsaunv@alap3.anarazel.de
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On 2016-04-05 18:10:11 +0100, Simon Riggs wrote:
> I'd prefer to see this as a lock wait mode where it sits in the normal lock
> queue BUT other lock requestors are allowed to queue jump past it. That
> should be just a few lines changed in the lock conflict checker and some
> sleight of hand in the lock queue code.

+1, although wading into deadlock.c makes one need a shower.

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