DB::Exception: Database engine MaterializedMySQL cannot have arguments.

[hcymysql]

ck2 :) SET allow_experimental_database_materialize_mysql = 1
ck2 :) CREATE DATABASE t2 ENGINE = MaterializedMySQL('172.19.136.32:3306', 'test', 'hcy', '123456') ;
Received exception from server (version 21.7.4):
Code: 36. DB::Exception: Received from localhost:9000. DB::Exception: Database engine MaterializedMySQL cannot have arguments.

ClickHouse server version 21.7.4
8.0.26 MySQL Community Server - GPL

[stigsb]

In 21.7 the database engine was still called MaterializeMySQL (not materializeD), but the error message is misleading.

Change to ENGINE = MaterializeMySQL(...) and it should work.