INSERT IGNORE is incorrectly supported

MariaDB [(none)]> use test;

Database changed

MariaDB [test]> create table t(a int) engine =columnstore;

Query OK, 0 rows affected (0.352 sec)

MariaDB [test]> insert into t values (1),(2),(3);

Query OK, 3 rows affected (0.201 sec)

Records: 3  Duplicates: 0  Warnings: 0

MariaDB [test]> insert ignore into t values (1);

Query OK, 1 row affected (1.112 sec)

MariaDB [test]> insert ignore into t values (1),(2);

ERROR 1178 (42000): The storage engine for the table doesn't support IGNORE option in insert statement is not supported in Columnstore.

MariaDB [test]>