Check Constraints with binary logging makes insert inconsistent

CREATE TABLE Employees (

  EmployeeID SMALLINT UNSIGNED AUTO_INCREMENT PRIMARY KEY

, FirstName VARCHAR(30) NOT NULL CHECK (CHAR_LENGTH(FirstName > 2))

, LastName VARCHAR(40) NOT NULL

, Title VARCHAR(50) NOT NULL CHECK (Title != 'God')

, DeptID SMALLINT UNSIGNED NOT NULL

, ManagerID INT UNSIGNED NULL

, Salary DECIMAL(38) DEFAULT 0.0 CHECK (Salary < 10000.0)

, CONSTRAINT c_deptid CHECK (DeptID > 0)

);

root@ma-102-master [test] SQL> INSERT INTO Employees VALUES   

    ->  (1,   'Ken', 'Sánchez', 'Chief Executive Officer',16,NULL, 9999)  

    -> ,(273, 'Brian', 'Welcker', 'Vice President of Sales',3,1, 8000)

    -> ;

ERROR 1292 (22007): Truncated incorrect DOUBLE value: 'Ken'

root@ma-102-master [test] SQL> INSERT INTO Employees VALUES   (1,   'Ken', 'Sánchez', 'Chief Executive Officer',16,NULL, 9999)  ;

Query OK, 1 row affected, 1 warning (0.00 sec)

root@ma-102-master [test] SQL> show warnings;

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

| Level | Code | Message                                 |

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

| Error | 1292 | Truncated incorrect DOUBLE value: 'Ken' |

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

1 row in set (0.00 sec)