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From: PG Doc comments form <noreply@postgresql.org>
To: pgsql-docs@lists.postgresql.org
Cc: anthony@berglas.org
Subject: Locking
Date: Thu, 14 Mar 2024 00:16:07 +0000
Message-ID: <171037536712.644.16792405319486797414@wrigleys.postgresql.org> (raw)

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/16/mvcc-intro.html
Description:

There really needs to be an explicit warning that the following is invalid
in normal read committed mode:-

select foo into f from bar where id=1;
f = f + 123;
update bar set foo = f where id =1;
commit;

This is a very common and serious mistake and extremely difficult to
understand from the current documentation.


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