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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: Postgres hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: REINDEX INDEX results in a crash for an index of pg_class since 9.6
Date: Tue, 30 Apr 2019 15:11:43 -0400
Message-ID: <17996.1556651503@sss.pgh.pa.us> (raw)
In-Reply-To: <20190430190308.kga2z5oz7vab7w22@alap3.anarazel.de>
References: <20190430030342.jmbgnih4q3cdoufz@alap3.anarazel.de>
	<26051.1556599053@sss.pgh.pa.us>
	<BC406D10-146C-4495-AC5E-492CADBFA144@anarazel.de>
	<26528.1556599820@sss.pgh.pa.us>
	<20190430070552.jzqgcy4ihalx7nur@alap3.anarazel.de>
	<30579.1556639470@sss.pgh.pa.us>
	<20190430173457.pg6i6urvevse5jer@alap3.anarazel.de>
	<29546.1556647550@sss.pgh.pa.us>
	<20190430182741.s6o7mo5ebmgxxi5x@alap3.anarazel.de>
	<16277.1556649660@sss.pgh.pa.us>
	<20190430190308.kga2z5oz7vab7w22@alap3.anarazel.de>

Andres Freund <andres@anarazel.de> writes:
> On 2019-04-30 14:41:00 -0400, Tom Lane wrote:
>> I think trying to get this "working" is a v13 task now.  We've obviously
>> never tried to stress the case before, so you're neither fixing a
>> regression nor fixing a new-in-v12 issue.

> Well, the test *do* test that a previously existing all-branches bug
> doesn't exist, no (albeit one just triggering an assert)?  I'm not
> talking about making this concurrency safe, just about whether it's
> possible to somehow keep the tests.

Well, I told you what I thought was a safe way to run the tests.

			regards, tom lane





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