| From: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
|---|---|
| To: | Jeremy Schneider <schneider(at)ardentperf(dot)com> |
| Cc: | Jeff Davis <pgsql(at)j-davis(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, "Nasby, Jim" <nasbyj(at)amazon(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Collation version tracking for macOS |
| Date: | 2022-11-29 18:18:17 |
| Message-ID: | CA+hUKG+g-AFta22P0NjuFTbi3jywWTqR+dyExQwu5Vr=mSeXUw@mail.gmail.com |
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On Wed, Nov 30, 2022 at 7:03 AM Jeremy Schneider
<schneider(at)ardentperf(dot)com> wrote:
> It seems to me that the collator_version field is not a good version
> identifier to use.
>
> Just taking a quick glance at the ICU home page right now, it shows that
> all of the last 5 versions of ICU have included "additions and
> corrections" to locale data itself, including 68 to 69 where the
> collator version did not change.
>
> Is it possible that this "collator_version" only reflects the code that
> processes collation data to do comparisons/sorts, but it does not
> reflect updates to the locale data itself?
I think it also includes the CLDR version for *some* locales. From a
quick look, that includes 'ar', 'ru', 'tr', 'zh'. Jeff, would you
mind sharing the same table for one of those? Perhaps 'en' really
does depend only on the UCA?
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