JSON_TABLE: SELECT into outfile bypasses file privilege check

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

| Grants for foo@localhost                |

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

| GRANT USAGE ON *.* TO `foo`@`localhost` |

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

1 row in set (0.000 sec)

MariaDB [test]> select 1 into outfile 'f';

ERROR 1045 (28000): Access denied for user 'foo'@'localhost' (using password: NO)

MariaDB [test]> select * into outfile 'f' from json_table('[]', '$' columns(x for ordinality)) q;

Query OK, 1 row affected (0.001 sec)

create user foo@localhost;

--connect (con1,localhost,foo,,)

--error ER_ACCESS_DENIED_ERROR,ER_SPECIFIC_ACCESS_DENIED_ERROR

select 1 into outfile 'f';

--error ER_ACCESS_DENIED_ERROR,ER_SPECIFIC_ACCESS_DENIED_ERROR

select * from json_table('[]', '$' columns(x for ordinality)) q into outfile 'f';

# Cleanup

--disconnect con1

--connection default

DROP USER foo@localhost;