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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Andres Freund <andres@anarazel.de>
Cc: exclusion@gmail.com
Cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #17994: Invalidating relcache corrupts tupDesc inside ExecEvalFieldStoreDeForm()
Date: Fri, 30 Jun 2023 15:08:05 -0400
Message-ID: <1800418.1688152085@sss.pgh.pa.us> (raw)
In-Reply-To: <e56b9c00-291b-dac0-6260-74137fdaffa5@dunslane.net>
References: <17994-5c7100b51b4790e9@postgresql.org>
	<1306569.1687978174@sss.pgh.pa.us>
	<20230628194446.uu47f4vyfyjfl7dd@awork3.anarazel.de>
	<1314841.1687981948@sss.pgh.pa.us>
	<20230628205443.6gu5bmcck6t4pgyv@awork3.anarazel.de>
	<e52f6028-7196-8545-9726-a17a50ea14a3@dunslane.net>
	<e6cbff03-32c3-4048-78b6-54d2907ba852@dunslane.net>
	<1509402.1688048784@sss.pgh.pa.us>
	<7ae37634-7626-8977-4d89-20603f0d1dcf@dunslane.net>
	<1583514.1688066735@sss.pgh.pa.us>
	<326723ee-ee05-35bf-06fd-e4f3afc61654@dunslane.net>
	<1610276.1688078516@sss.pgh.pa.us>
	<5316ba5d-ab3b-4ae2-6f6b-f22760932d99@dunslane.net>
	<1742513.1688129204@sss.pgh.pa.us>
	<cf24e075-0809-b9b8-4c73-48eed105b9a9@dunslane.net>
	<1749275.1688132604@sss.pgh.pa.us>
	<e56b9c00-291b-dac0-6260-74137fdaffa5@dunslane.net>

Andrew Dunstan <andrew@dunslane.net> writes:
> Me either. I think this might call for too much invention so I'm going 
> to revert to plan A. The invalidation code won't be very much, and it 
> should be a fairly rare event, so it doesn't need to be very clever.

The problem with rarely-executed code is that it's also hard to test.

			regards, tom lane





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  Subject: Re: BUG #17994: Invalidating relcache corrupts tupDesc inside ExecEvalFieldStoreDeForm()
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