select hex(COLUMN_CREATE(1, "ЫЫЫЫ" AS char character set utf8));
hex(COLUMN_CREATE(1, "ЫЫЫЫ" AS char character set utf8))
00010001000308D0ABD0ABD0ABD0AB

i.e. the same

sanja, please make sure that the KB has the option character set clause in syntax for dynamic column functions whereever it is applicable https://mariadb.com/kb/en/mariadb/dynamic-columns/ . If it's applicable everywhere along with char types, you can mention it in the datatypes section.

revision-id: c2f2d50e376dfeadcf4c37afe51dc4bb0c32bbc4 (mariadb-10.0.22-41-gc2f2d50)
parent(s): 537c750e328cd080365e465acd4f0383bf0febf3
committer: Oleksandr Byelkin
timestamp: 2015-12-14 15:02:39 +0100
message:

MDEV-9147: Character set is ignored in Dynamic Column for saved string

Fixed moving charset from definition to the value.

—

Ok to push with an additional test:

SET NAMES utf8;

SELECT COLUMN_GET(COLUMN_CREATE(1, 0xC2A2 AS CHAR CHARACTER SET latin1), 1 AS CHAR CHARACTER SET utf8) AS a;

SELECT COLUMN_GET(COLUMN_CREATE(1, 0xC2A2 AS CHAR CHARACTER SET utf8), 1 AS CHAR CHARACTER SET utf8) AS a;