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From: Alexander Lakhin <exclusion@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Michael Paquier <michael@paquier.xyz>
Cc: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #18014: Releasing catcache entries makes schema_to_xmlschema() fail when parallel workers are used
Date: Fri, 20 Oct 2023 14:00:00 +0300
Message-ID: <00d611f1-fa87-2d41-1b88-6f135637a5f2@gmail.com> (raw)
In-Reply-To: <1949912.1697314809@sss.pgh.pa.us>
References: <00e24aa6-5d03-99b6-ab41-495a35fc93f6@gmail.com>
	<982076.1689967306@sss.pgh.pa.us>
	<5bd4cbfe-fc71-c576-851d-3bb21ef5c080@gmail.com>
	<20230726.112923.27361680552823861.horikyota.ntt@gmail.com>
	<1821881.1690339317@sss.pgh.pa.us>
	<ZMCT1rszfKIiNLpk@paquier.xyz>
	<1830960.1690343673@sss.pgh.pa.us>
	<1389919.1697144487@sss.pgh.pa.us>
	<5df89a35-a985-b287-7210-6ed7d2c31803@gmail.com>
	<defada9d-8bb1-860f-2682-eee03fdc0ab4@gmail.com>
	<1762807.1697301357@sss.pgh.pa.us>
	<1949912.1697314809@sss.pgh.pa.us>

14.10.2023 23:20, Tom Lane wrote:
> I've fixed both sets of functions as of now.  We still need to look
> into the question of whether detoasting syscache entries is safe.

Unfortunately, the answer is "no". Please look at the proof:
https://www.postgresql.org/message-id/18163-859bad19a43edcf6%40postgresql.org

Best regards,
Alexander





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