source include/not_embedded.inc;
#
# MDEV-17898 FLUSH PRIVILEGES crashes server with segfault
#
use mysql;
insert db (db,user,select_priv) values ('foo','dwr_foo','Y'), ('bar','dwr_bar','Y');
insert roles_mapping (user,role) values ('dwr_qux_dev','dwr_foo'),('dwr_qux_dev','dwr_bar');
insert global_priv values ('','dwr_foo','{"is_role":true}'), ('','dwr_bar','{"is_role":true}'),
                          ('','dwr_qux_dev','{"access":16384,"is_role":true}');
flush privileges;
drop role dwr_foo;
drop role dwr_bar;
drop role dwr_qux_dev;
use test;

#
# MDEV-18298 Crashes server with segfault during role grants
#
create table db_copy as select * from mysql.db;
delete from mysql.db;
flush privileges;

create user u1@localhost;
create role r1;
create role r2;
grant r1 to u1@localhost;
grant select on test.* to r2;
grant select on m_.* to r2;
grant r2 to r1;
show grants for u1@localhost;
show grants for r1;
drop user u1@localhost;
drop role r1, r2;

insert mysql.db select * from db_copy;
flush privileges;
drop table db_copy;