On Wed, 2022-11-30 at 10:29 +1300, Thomas Munro wrote: > On Wed, Nov 30, 2022 at 9:59 AM Jeff Davis <pg...@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
