Re: GUCs to control abbreviated sort keys

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Peter Geoghegan <pg(at)bowt(dot)ie>
Cc: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: GUCs to control abbreviated sort keys
Date: 2023-01-27 20:34:13
Message-ID: 6d8eb226020b30b795a1ca470e09da31305b1c3a.camel@j-davis.com
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On Fri, 2023-01-27 at 11:41 -0800, Peter Geoghegan wrote:
> I cannot recreate the issue you describe.

Interesting. For my test:

glibc 2.35 ICU 70.1
gcc 11.3.0 LLVM 14.0.0

> It's not impossible that the perl program you wrote produces
> non-deterministic output

It is non-deterministic, but I tried with two generated files, and got
similar results.

Right now I suspect the ICU version might be the reason. I'll try with
72.

--
Jeff Davis
PostgreSQL Contributor Team - AWS

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