Aggregate function on zerofill column returns padded value from inside a derived table

MariaDB [test]> SELECT MIN(i) FROM t1;

+--------+

| MIN(i) |

+--------+

|      1 |

+--------+

1 row in set (0.00 sec)

MariaDB [test]> SELECT * FROM ( SELECT MIN(i) FROM t1 ) cte;

+------------+

| MIN(i)     |

+------------+

| 0000000001 |

+------------+

1 row in set (0.00 sec)

MariaDB [test]> WITH cte AS ( SELECT MIN(i) FROM t1 ) SELECT * FROM cte;

+------------+

| MIN(i)     |

+------------+

| 0000000001 |

+------------+

1 row in set (0.00 sec)

DROP TABLE IF EXISTS t1;

CREATE TABLE t1 (i INT ZEROFILL);

INSERT INTO t1 VALUES (1);

SELECT MIN(i) FROM t1;

explain extended

SELECT MIN(i) FROM t1;

SELECT * FROM ( SELECT MIN(i) FROM t1 ) cte;

explain extended

SELECT * FROM ( SELECT MIN(i) FROM t1 ) cte;

/*!100203

WITH cte AS ( SELECT MIN(i) FROM t1 ) SELECT * FROM cte

*/;

/*!100203

explain extended

WITH cte AS ( SELECT MIN(i) FROM t1 ) SELECT * FROM cte

*/;

DROP TABLE t1;