Wrong ROW_NUMBER in diagnostics upon INSERT IGNORE with CHECK violation

create or replace table t (a int, check(a>0));

insert ignore into t values (1),(0),(2),(0);

get diagnostics condition 1 @n= row_number;

select @n;

get diagnostics condition 2 @n= row_number;

select @n;

# Cleanup

drop table t;

MariaDB [test]> get diagnostics condition 1 @n= row_number;

Query OK, 0 rows affected (0.000 sec)

MariaDB [test]> select @n;

+------+

| @n   |

+------+

|    2 |

+------+

1 row in set (0.000 sec)

MariaDB [test]> get diagnostics condition 2 @n= row_number;

Query OK, 0 rows affected (0.000 sec)

MariaDB [test]> select @n;

+------+

| @n   |

+------+

|    3 |

+------+

1 row in set (0.000 sec)