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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Michael Paquier <michael@paquier.xyz>
Cc: Bertrand Drouvot <bertranddrouvot.pg@gmail.com>
Cc: Alexander Lakhin <exclusion@gmail.com>
Cc: Yu Shi (Fujitsu) <shiy.fnst@fujitsu.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Andres Freund <andres@anarazel.de>
Cc: Thomas Munro <thomas.munro@gmail.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Subject: Re: Test slots invalidations in 035_standby_logical_decoding.pl only if dead rows are removed
Date: Sun, 14 Jan 2024 23:08:39 -0500
Message-ID: <1375923.1705291719@sss.pgh.pa.us> (raw)
In-Reply-To: <ZaSthTtVmvKKuGNb@paquier.xyz>
References: <ZZ4cZkBLczQISHxq@paquier.xyz>
	<7c025095-5763-17a6-8c80-899b35bd0459@gmail.com>
	<ZZ7GpII4bAYN+jT5@ip-10-97-1-34.eu-west-3.compute.internal>
	<5d0e5bec-67f9-9164-36cb-c4ff5f95d1ed@gmail.com>
	<ZaACEPtVovKlRVUf@ip-10-97-1-34.eu-west-3.compute.internal>
	<6f85667e-5754-5d35-dbf1-c83fe08c1e48@gmail.com>
	<ZaBlU5FqOeDqyHtJ@paquier.xyz>
	<ZaDnIMTbT+0yR5LZ@ip-10-97-1-34.eu-west-3.compute.internal>
	<cc7925b8-30cc-c76d-b1b6-c9ec6bd36a03@gmail.com>
	<ZaFCoJ1FxBQ9jQkX@ip-10-97-1-34.eu-west-3.compute.internal>
	<ZaSthTtVmvKKuGNb@paquier.xyz>

Michael Paquier <michael@paquier.xyz> writes:
> While thinking about that, a second idea came into my mind: a
> superuser-settable developer GUC to disable such WAL records to be
> generated within certain areas of the test.  This requires a small
> implementation, but nothing really huge, while being portable
> everywhere.  And it is not the first time I've been annoyed with these
> records when wanting a predictible set of WAL records for some test
> case.

Hmm ... I see what you are after, but to what extent would this mean
that what we are testing is not our real-world behavior?

			regards, tom lane





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