On Sat, Jan 12, 2019 at 7:13 AM Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > That's an ICU collation, so you're out of luck: there is no ICU > support in 9.6. FWIW, there is some form of FreeBSD Postgres support for ICU that predates the officially supported ICU feature. The FreeBSD Postgres packages have been built with ICU support for many years -- they modify the source code minimally to make this work. It may well still be impossible to use "az-x-icu" on a FreeBSD installation of 9.6, though. -- Peter Geoghegan