From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dmitry Dolgov <9erthalion6@gmail.com>
cc: exclusion@gmail.com, pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17897: Crash on assignment to array of constraint-less
 domain over composite type
In-reply-to: <20230415151709.jh7ygoak2fc2msdb@erthalion.local>
References: <17897-4216c546c3874044@postgresql.org>
 <20230415151709.jh7ygoak2fc2msdb@erthalion.local>
Comments: In-reply-to Dmitry Dolgov <9erthalion6@gmail.com>
	message dated "Sat, 15 Apr 2023 17:17:09 +0200"
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Date: Sat, 15 Apr 2023 11:26:04 -0400
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Dmitry Dolgov <9erthalion6@gmail.com> writes:
>> On Fri, Apr 14, 2023 at 07:00:01PM +0000, PG Bug reporting form wrote:
>> The following modified excerpt from regress/sql/domain.sql:
>> ...
>> causes a server crash with the following stack trace:
>> [...]
>> Not reproduced on REL_11_STABLE, but reproduced on REL_12_STABLE .. master
>> since 04fe805a1 made a constraint-less domain represented as a RelabelType
>> (not CoerceToDomain) and thus the fix for [1] (ae7b1dd59) doesn't cover
>> this case.

> Looks like it could be fixed in the same way as in ae7b1dd59 ?

Agreed, that seems like the obvious fix.  Thanks for the report,
and for the investigation!

			regards, tom lane