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help / color / mirror / Atom feedFrom: Daniel Verite <[email protected]>
To: [email protected]
To: [email protected]
Subject: Re: BUG #19425: Parametric settings in collation not working in rule syntax
Date: Thu, 05 Mar 2026 12:34:32 +0100
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
PG Bug reporting form wrote:
> But, I also want to add a tailoring rule. For the simplicity we will say
> that I want to add 'p < q'
> CREATE COLLATION IF NOT EXISTS und_ci_ai2(
> provider = icu,
> locale = 'und-u-ka-shifted-kc-false-ks-level1',
> deterministic = false,
> rules = $$
> & 'p' < 'q'
> $$
> );
>
> But, and this is my problem, the previous request doesn't seem to work
> anymore. It doesn't return '1' :
This looks the same as bug #18771 discussed at
https://www.postgresql.org/message-id/flat/18771-98bb23e455b0f367%40postgresql.org
and
https://www.postgresql.org/message-id/spHSrzQa0K_-Sqq9rNK-d6kelbfJG-z4XP6vn8tliiCHmjNYy45g2QOD92mrsN...
There's a simple fix available at
https://commitfest.postgresql.org/patch/6084/
Hopefully it will make it into the next major release, but so far it has been
lacking
reviews.
If you're able to compile Postgres, you may test the fix with your case and
report on
the results.
Best regards,
--
Daniel Vérité
https://postgresql.verite.pro/
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Subject: Re: BUG #19425: Parametric settings in collation not working in rule syntax
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