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From: Alexander Lakhin <exclusion@gmail.com>
To: Alexander Korotkov <aekorotkov@gmail.com>
Cc: Andrei Lepikhov <a.lepikhov@postgrespro.ru>
Cc: Gregory Stark (as CFM) <stark.cfm@gmail.com>
Cc: Michał Kłeczek <michal@kleczek.org>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Cc: Richard Guo <guofenglinux@gmail.com>
Subject: Re: Removing unneeded self joins
Date: Sun, 18 Feb 2024 16:00:00 +0300
Message-ID: <56ee4520-e9d1-d519-54fe-c8bff880ce9b@gmail.com> (raw)
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References: <64486b0b-0404-e39e-322d-0801154901f3@postgrespro.ru>
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	<CAPpHfdvu+wyazT+ujJbJ5rKZrHQoG+FCVeWENA4pyf_A1W1WAA@mail.gmail.com>

Hi Alexander,

09.01.2024 01:09, Alexander Korotkov wrote:
> Fixed in 30b4955a46.

Please look at the following query which fails with an error since
d3d55ce57:

create table t (i int primary key);

select t3.i from t t1
  join t t2 on t1.i = t2.i,
  lateral (select t1.i limit 1) t3;

ERROR:  non-LATERAL parameter required by subquery

Best regards,
Alexander

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