On Wed, 2022-11-30 at 10:29 +1300, Thomas Munro wrote:
> On Wed, Nov 30, 2022 at 9:59 AM Jeff Davis <pgsql@j-davis.com> wrote:
> > Here's what I found for the 'ar' locale (firstminor/lastminor are
> > the
> > icu library versions, firstcollversion/lastcollversion are their
> > respective collation versions for the given locale):
> >
> > firstminor | lastminor | firstcollversion | lastcollversion
> > ------------+-----------+------------------+-----------------
> > 60.1 | 60.3 | 153.80.32 | 153.80.32.1
> > 64.1 | 64.2 | 153.96.35 | 153.97.35.8
> > 68.1 | 68.2 | 153.14.38 | 153.14.38.8
> > (3 rows)
>
> Right, this fits with what I said earlier: the third component is
> CLDR
> major, fourth component is CLDR minor except from ICU 61 on the CLDR
> minor is << 3'd (X.X.38.8 means CLDR 38.1).
What about 64.1 -> 64.2? That changed the *second* component from 96 ->
97. Are we agreed that collations can materially change in minor ICU
releases?
--
Jeff Davis
PostgreSQL Contributor Team - AWS
