Add Aria table for Engine Merge

CREATE TABLE t1 (

    a INT NOT NULL AUTO_INCREMENT PRIMARY KEY,

    message CHAR(20)) ENGINE=Aria;

CREATE TABLE t2 (

    a INT NOT NULL AUTO_INCREMENT PRIMARY KEY,

    message CHAR(20)) ENGINE=Aria;

INSERT INTO t1 (message) VALUES ('Testing'),('table'),('t1');

INSERT INTO t2 (message) VALUES ('Testing'),('table'),('t2');

CREATE TABLE total (

    a INT NOT NULL AUTO_INCREMENT,

    message CHAR(20), INDEX(a))

    ENGINE=MERGE UNION=(t1,t2) INSERT_METHOD=LAST;

SELECT * FROM total;

MariaDB [test]> SELECT * FROM total;

ERROR 1168 (HY000): Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist