"Regina Obe" <lr@pcorp.us> writes:
> A couple of days ago, our PostGIS PG16 bots started failing with order
> changes in text.
> We have our tests set to locale=c
> It seems since April 20th, our tests that rely on sorting characters
> changed.
> As noted in this ticket:
> https://trac.osgeo.org/postgis/ticket/5375
> I'm assuming it's result of icu change:
> https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=fcb21b3ac
> dcb9a60313325618fd7080aa36f1626
> I suspect all our bots are compiling with icu enabled. But I haven't
> confirmed.
If they actually are using locale C, I would say this is a bug.
That should designate memcmp sorting and nothing else.
regards, tom lane