From: PG Bug reporting form <noreply@postgresql.org>
To: pgsql-bugs@lists.postgresql.org
Cc: holger.reise@vitagroup.ag
Subject: BUG #18284: Filter in left lateral join not respected
Date: Thu, 11 Jan 2024 14:34:55 +0000
Message-ID: <18284-47505a20c23647f8@postgresql.org> (raw)
The following bug has been logged on the website:
Bug reference: 18284
Logged by: Holger Reise
Email address: holger.reise@vitagroup.ag
PostgreSQL version: 16.1
Operating system: Alpine 13.2.1, 64-bit
Description:
The following script returns two rows with `666`, whereas `null` is to be
expected:
WITH r1 AS (VALUES(null)),
r2 AS (VALUES(null), (null))
SELECT ljl.val_filtered
FROM r1
LEFT JOIN(
SELECT j666.val FROM r2
JOIN (SELECT 666 AS val) as j666 ON true
)AS lj_r2 ON true
LEFT JOIN LATERAL(
SELECT lj_r2.val AS val_filtered
WHERE false
) AS ljl ON true;
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To: pgsql-bugs@postgresql.org
Cc: noreply@postgresql.org, pgsql-bugs@lists.postgresql.org, holger.reise@vitagroup.ag
Subject: Re: BUG #18284: Filter in left lateral join not respected
In-Reply-To: <18284-47505a20c23647f8@postgresql.org>
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