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From: David Rowley <dgrowleyml@gmail.com>
Date: Mon, 7 Apr 2025 21:15:03 +1200
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 <CAApHDvryXfsJO1HUWqcQTBBxdSJDwrotnZFt7sSL-ddZ+g+f5Q@mail.gmail.com>
Subject: Re: pgsql: Convert 'x IN (VALUES ...)' to 'x = ANY ...' then
 appropriate
To: Melanie Plageman <melanieplageman@gmail.com>
Cc: Alexander Korotkov <akorotkov@postgresql.org>,
 pgsql-committers@lists.postgresql.org,
	PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
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On Mon, 7 Apr 2025 at 19:39, Melanie Plageman <melanieplageman@gmail.com> wrote:
> +++ C:/cirrus/build/testrun/pg_upgrade/002_pg_upgrade/data/results/subselect.out
> 2025-04-04 14:47:20.358393500 +0000
> @@ -2769,15 +2769,16 @@
>  EXPLAIN (COSTS OFF)
>  SELECT c.oid,c.relname FROM pg_class c JOIN pg_am a USING (oid)
>  WHERE c.oid IN (VALUES (1), (2));
> -                          QUERY PLAN
> ----------------------------------------------------------------
> - Hash Join
> -   Hash Cond: (a.oid = c.oid)
> -   ->  Seq Scan on pg_am a
> -   ->  Hash
> -         ->  Index Scan using pg_class_oid_index on pg_class c
> -               Index Cond: (oid = ANY ('{1,2}'::oid[]))
> -(6 rows)
> +                       QUERY PLAN
> +---------------------------------------------------------
> + Merge Join
> +   Merge Cond: (c.oid = a.oid)
> +   ->  Index Scan using pg_class_oid_index on pg_class c
> +         Index Cond: (oid = ANY ('{1,2}'::oid[]))
> +   ->  Sort
> +         Sort Key: a.oid
> +         ->  Seq Scan on pg_am a
> +(7 rows)

Are these failures from patches applied to master prior to 3ba2cdaa?

David