Add standard collation UNICODE
authorPeter Eisentraut <peter@eisentraut.org>
Fri, 10 Mar 2023 12:35:00 +0000 (13:35 +0100)
committerPeter Eisentraut <peter@eisentraut.org>
Fri, 10 Mar 2023 12:35:43 +0000 (13:35 +0100)
commit0d21d4b9bc1f9da9dda29e5c4db0c6dd45408aaa
tree421b155ad9135a9d477832a559e6b20dfb8ba14e
parent6ad5793a491a2e70e5610988a13f31f43c8946ad
Add standard collation UNICODE

This adds a new predefined collation named UNICODE, which sorts by the
default Unicode collation algorithm specifications, per SQL standard.

This only works if ICU support is built.

Reviewed-by: Jeff Davis <pgsql@j-davis.com>
Discussion: https://www.postgresql.org/message-id/flat/1293e382-2093-a2bf-a397-c04e8f83d3c2@enterprisedb.com
doc/src/sgml/charset.sgml
src/bin/initdb/initdb.c
src/include/catalog/catversion.h
src/test/regress/expected/collate.icu.utf8.out
src/test/regress/sql/collate.icu.utf8.sql