Re: BUG #14150: Attempted to delete invisible tuple

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Oskari Saarenmaa <os(at)aiven(dot)io>, Peter Geoghegan <pg(at)heroku(dot)com>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Peter Tripp <peter(at)chartio(dot)com>, Virendra Negi <virendra(at)idyllic-software(dot)com>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #14150: Attempted to delete invisible tuple
Date: 2016-08-18 20:38:39
Message-ID: 24166.1471552719@sss.pgh.pa.us
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Andres Freund <andres(at)anarazel(dot)de> writes:
> On 2016-08-17 21:45:38 -0400, Tom Lane wrote:
>> guaibasaurus thinks this test is still underdetermined.

> The easiest solution here seems to be another expected file - playing
> around a few minutes, I couldn't see an easier solution. Better ideas?

If you think the two outcomes are equally valid, sure.

You could possibly try to force a single ordering by inserting a sleep
into some step of the test --- we have some other isolation tests that
do it that way. But it's hard to predict how much sleep is enough.

regards, tom lane

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