Re: Inconsistent string comparison using modified ICU collations

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: Oleg Tselebrovskiy <o(dot)tselebrovskiy(at)postgrespro(dot)ru>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Inconsistent string comparison using modified ICU collations
Date: 2025-01-23 21:29:14
Message-ID: c047aed1b5a2436a885edb0acadc6e461f00ee43.camel@j-davis.com
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On Wed, 2025-01-22 at 12:03 +0300, Oleg Tselebrovskiy wrote:
> In the second example of sorting values, function
> varstr_abbrev_convert

Thank you for the report!

I had previously proposed[1] a GUC to control abbreviated keys, and it
was rejected. Now that we've seen both a performance problem and a bug
in the underlying dependency, perhaps we should reconsider.

Regards,
Jeff Davis

[1]
https://www.postgresql.org/message-id/d8454f6156956f5991cf9afd2f28978ed8187ca7.camel%40j-davis.com

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