From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@anarazel.de>
cc: Michael Paquier <michael@paquier.xyz>,
        Postgres hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: REINDEX INDEX results in a crash for an index of pg_class since
 9.6
In-reply-to: <20190430190308.kga2z5oz7vab7w22@alap3.anarazel.de>
References: <20190430030342.jmbgnih4q3cdoufz@alap3.anarazel.de>
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 <20190430070552.jzqgcy4ihalx7nur@alap3.anarazel.de>
 <30579.1556639470@sss.pgh.pa.us>
 <20190430173457.pg6i6urvevse5jer@alap3.anarazel.de>
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Comments: In-reply-to Andres Freund <andres@anarazel.de>
	message dated "Tue, 30 Apr 2019 12:03:08 -0700"
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Date: Tue, 30 Apr 2019 15:11:43 -0400
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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