#
# MDEV-26875: Wrong user in SET DEFAULT ROLE error
#
create user test_user;
create role test_role;
show grants for test_user;
Grants for test_user@%
GRANT USAGE ON *.* TO `test_user`@`%`
set default role test_role for test_user;
ERROR OP000: User `test_user`@`%` has not been granted role `test_role`
grant test_role to test_user;
set default role test_role for test_user;
show grants for test_user;
Grants for test_user@%
GRANT `test_role` TO `test_user`@`%`
GRANT USAGE ON *.* TO `test_user`@`%`
SET DEFAULT ROLE `test_role` FOR `test_user`@`%`
set default role none for test_user;
#
# Try to set default role to role(`test_role`).
--------------------------------------------------------------
show grants for test_role;
Grants for test_role
GRANT USAGE ON *.* TO `test_role`
create role new_role;
grant new_role to test_role;
show grants for test_role;
Grants for test_role
GRANT `new_role` TO `test_role`
GRANT USAGE ON *.* TO `test_role`
GRANT USAGE ON *.* TO `new_role`
set default role new_role for test_role;
ERROR OP000: User `test_role`@`%` has not been granted role `new_role`
#
# Test of errors, where hostname cannot be resolved `test_user`
--------------------------------------------------------------
grant test_role to test_user@'%';
set default role test_role for test_user@'%';
connect con_test_user,127.0.0.1,test_user,,,$MASTER_MYPORT;
show grants;
Grants for test_user@%
GRANT `test_role` TO `test_user`@`%`
GRANT USAGE ON *.* TO `test_user`@`%`
GRANT `new_role` TO `test_role`
GRANT USAGE ON *.* TO `test_role`
GRANT USAGE ON *.* TO `new_role`
SET DEFAULT ROLE `test_role` FOR `test_user`@`%`
select current_role;
current_role
test_role
set role `new_role`;
ERROR OP000: User `test_user`@`%` has not been granted role `new_role`
connection default;
set default role none for test_user;
disconnect con_test_user;
connect con_test_user,127.0.0.1,test_user,,,$MASTER_MYPORT;
select current_role;
current_role
NULL
set role `new_role`;
ERROR OP000: User `test_user`@`%` has not been granted role `new_role`
connection default;
disconnect con_test_user;
#
# Test of anonymous user connection
--------------------------------------------------------------
grant test_role to ''@localhost;
connect con1,localhost,'',,,$MASTER_MYPORT;
SELECT CURRENT_ROLE;
CURRENT_ROLE
NULL
SET role test_role;
SELECT CURRENT_ROLE;
CURRENT_ROLE
test_role
SET role new_role;
ERROR OP000: User ``@`localhost` has not been granted role `new_role`
set default role test_role for ''@localhost;
ERROR 42000: You are using MariaDB as an anonymous user and anonymous users are not allowed to modify user settings
connection default;
disconnect con1;
REVOKE all privileges, grant option from ''@localhost;
drop role new_role;
drop role test_role;
drop user test_user;