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From: John Naylor <[email protected]>
To: Pavel Borisov <[email protected]>
Cc: Postgres hackers <[email protected]>
Subject: Re: Inherit regression outputs rows in alternative ordering when run on other table AM than heap
Date: Wed, 29 Apr 2026 14:49:16 +0700
Message-ID: <CANWCAZYBKjZndN69y0-1OWNfkD9wjJWpDUZTYe=G8phOnh1PMw@mail.gmail.com> (raw)
In-Reply-To: <CALT9ZEF8JA+h9+6r_cJFjR-us7KG=hWbM7GBC6SVrW3FpCDv8g@mail.gmail.com>
References: <CALT9ZEF8JA+h9+6r_cJFjR-us7KG=hWbM7GBC6SVrW3FpCDv8g@mail.gmail.com>

On Fri, Mar 27, 2026 at 7:54 PM Pavel Borisov <[email protected]> wrote:
> Existing inherit regression test results are tied to the particular
> row order after UPDATE clause. The context is approximately the same
> as in [1].
>
> When run on different table AM it shows the following difference in output:

I think it'd be beneficial to make regression tests more reproducible
across different table AMs. It's worth asking how much the ongoing
maintenance cost would be, since I imagine the one you're testing is
not the only one that shows differences.

-- 
John Naylor
Amazon Web Services

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