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From: Antonin Houska <[email protected]>
To: [email protected]
Cc: Michael Paquier <[email protected]>
Cc: SATYANARAYANA NARLAPURAM <[email protected]>
Cc: L. pgsql-hackers <[email protected]>
Subject: Re: [PATCH] Compressed TOAST data corruption with REPACK CONCURRENTLY
Date: Sat, 25 Apr 2026 19:33:38 +0200
Message-ID: <15004.1777138418@localhost> (raw)
In-Reply-To: <[email protected]>
References: <CAHg+QDeXb9HM2VGKXQedyCp52GzajJK5KOUdNi6oLjsS0nerQw@mail.gmail.com>
	<52301.1776440752@localhost>
	<CAHg+QDf+yGGizLHAOm_q8Y9SR-tuDa4vWYp+riJ1QWnWxeeLQw@mail.gmail.com>
	<[email protected]>
	<44015.1776685220@localhost>
	<[email protected]>

Álvaro Herrera <[email protected]> wrote:

> > ok, this is a patch to enhance the tests. It also simplifies
> > gen_compressible() a bit and adjusts it so it is (hopefully) more reliable in
> > generating compressible values. Now it can be used to reproduce the fix [1].
> >
> > [1] https://www.postgresql.org/message-id/52301.1776440752%40localhost
> 
> Thanks, I think it looks good, but unfortunately I don't see any problems
> when running this test without your fix (I was assuming that the test would
> fail). I didn't immediately understand why.  Do you see any failures?

The enhanced tests should reproduce it (please let me know if they dont):

https://www.postgresql.org/message-id/44015.1776685220%40localhost

-- 
Antonin Houska
Web: https://www.cybertec-postgresql.com





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