CSV: Table marked as crashed and should be repaired

MariaDB [test]> SET sql_mode='NO_ZERO_DATE';

Query OK, 0 rows affected (0.00 sec)

MariaDB [test]> DROP TABLE IF EXISTS t1;

Query OK, 0 rows affected (0.02 sec)

MariaDB [test]> CREATE TABLE t1 (c1 DATE NOT NULL) ENGINE=CSV;

Query OK, 0 rows affected (0.00 sec)

MariaDB [test]> INSERT IGNORE INTO t1 VALUES();

Query OK, 1 row affected, 1 warning (0.01 sec)

MariaDB [test]> SHOW WARNINGS;

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

| Level   | Code | Message                                 |

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

| Warning | 1364 | Field 'c1' doesn't have a default value |

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

1 row in set (0.00 sec)

MariaDB [test]> SELECT * FROM t1;

ERROR 1194 (HY000): Table 't1' is marked as crashed and should be repaired