Re: Test tidscan,sql is not immune to autovacuum in v14

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Rowley <dgrowleyml(at)gmail(dot)com>
Cc: Alexander Lakhin <exclusion(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Test tidscan,sql is not immune to autovacuum in v14
Date: 2026-08-20 04:43:43
Message-ID: 3537961.1787201023@sss.pgh.pa.us
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David Rowley <dgrowleyml(at)gmail(dot)com> writes:
> Another way to make the alternative join order less favourable would
> be with something like:

> select count(*) from tenk1 t1 inner join tenk1 t2 on t1.ctid = t2.ctid
> where t2.ten = 0;

Sure, that'd work for me.

regards, tom lane

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