DATA DIRECTORY and INDEX DIRECTORY

[Евгений Б]

I've tried to execute:

CREATE TABLE `sprading`.`myisam_test` (
`idmyisam_test` INT NOT NULL)
ENGINE = MyISAM
DATA DIRECTORY = 'G:\1'
INDEX DIRECTORY = 'G:\1';

Mysql Community Server 8.0, OS Windows.
My DATA DIRECTORY and INDEX DIRECTORY options are ignored by server and the table created in default server data directory.
Why? How to resolve this problem?