LIKE '%1%' in WHERE part never finishes

MariaDB [test]> create table foo (a varchar(10)) engine=columnstore;

Query OK, 0 rows affected (9.094 sec)

MariaDB [test]>

MariaDB [test]> insert into foo values ('dkdj');

Query OK, 1 row affected (1.855 sec)

MariaDB [test]> select * from foo where a like '%k%';

+------+

| a    |

+------+

| dkdj |

+------+

1 row in set (0.022 sec)

MariaDB [test]> select * from foo where a like '%1%'; <================ This query is running forever