SHOW GRANTS FOR root@invalid_host;
ERROR 42000: There is no such grant defined for user 'root' on host 'invalid_host'
create user test;
create user foo;
create role foo;
grant foo to test;
connect  conn_1, localhost, test,,;
set role foo;
show grants for test;
Grants for test@%
GRANT foo TO 'test'@'%'
GRANT USAGE ON *.* TO 'test'@'%'
show grants for foo;
Grants for foo
GRANT USAGE ON *.* TO 'foo'
show grants for foo@'%';
ERROR 42000: Access denied for user 'test'@'%' to database 'mysql'
connection default;
drop user test, foo;
drop role foo;
CREATE TABLE t1 (a INT);
LOCK TABLE t1 WRITE;
REVOKE EXECUTE ON PROCEDURE sp FROM u;
ERROR HY000: Table 'procs_priv' was not locked with LOCK TABLES
REVOKE PROCESS ON *.* FROM u;
ERROR HY000: Table 'db' was not locked with LOCK TABLES
DROP TABLE t1;
create user u1@h identified with 'mysql_native_password' using 'pwd';
ERROR HY000: Password hash should be a 41-digit hexadecimal number
create user u1@h identified with 'mysql_native_password' using password('pwd');
create user u2@h identified with 'mysql_native_password' using '*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD';
create user u3@h identified with 'mysql_native_password';
set password for u3@h = 'pwd';
ERROR HY000: Password hash should be a 41-digit hexadecimal number
set password for u3@h = password('pwd');
create user u4@h identified with 'mysql_native_password';
set password for u4@h = '*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD';
create user u5@h identified with 'mysql_old_password' using 'pwd';
ERROR HY000: Password hash should be a 16-digit hexadecimal number
create user u5@h identified with 'mysql_old_password' using password('pwd');
create user u6@h identified with 'mysql_old_password' using '78a302dd267f6044';
create user u7@h identified with 'mysql_old_password';
set password for u7@h = 'pwd';
ERROR HY000: Password hash should be a 41-digit hexadecimal number
set password for u7@h = old_password('pwd');
create user u8@h identified with 'mysql_old_password';
set password for u8@h = '78a302dd267f6044';
select user,host,plugin,authentication_string from mysql.user where host='h';
User	Host	plugin	authentication_string
u1	h	mysql_native_password	*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD
u2	h	mysql_native_password	*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD
u3	h	mysql_native_password	*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD
u4	h	mysql_native_password	*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD
u5	h	mysql_old_password	78a302dd267f6044
u6	h	mysql_old_password	78a302dd267f6044
u7	h	mysql_old_password	78a302dd267f6044
u8	h	mysql_old_password	78a302dd267f6044
update mysql.global_priv set priv=json_set(priv, '$.authentication_string', 'bad') where user='u1';
update mysql.global_priv set priv=json_set(priv, '$.authentication_string', 'bad') where user='u5';
update mysql.global_priv set priv=json_set(priv, '$.plugin', 'nonexistent') where user='u8';
flush privileges;
show create user u1@h;
CREATE USER for u1@h
CREATE USER 'u1'@'h' IDENTIFIED BY PASSWORD 'bad'
show create user u2@h;
CREATE USER for u2@h
CREATE USER 'u2'@'h' IDENTIFIED BY PASSWORD '*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD'
show create user u3@h;
CREATE USER for u3@h
CREATE USER 'u3'@'h' IDENTIFIED BY PASSWORD '*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD'
show create user u4@h;
CREATE USER for u4@h
CREATE USER 'u4'@'h' IDENTIFIED BY PASSWORD '*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD'
show create user u5@h;
CREATE USER for u5@h
CREATE USER 'u5'@'h' IDENTIFIED BY PASSWORD 'bad'
show create user u6@h;
CREATE USER for u6@h
CREATE USER 'u6'@'h' IDENTIFIED BY PASSWORD '78a302dd267f6044'
show create user u7@h;
CREATE USER for u7@h
CREATE USER 'u7'@'h' IDENTIFIED BY PASSWORD '78a302dd267f6044'
show create user u8@h;
CREATE USER for u8@h
CREATE USER 'u8'@'h' IDENTIFIED VIA nonexistent USING '78a302dd267f6044'
grant select on *.* to u1@h;
grant select on *.* to u2@h;
grant select on *.* to u3@h;
grant select on *.* to u4@h;
grant select on *.* to u5@h;
grant select on *.* to u6@h;
grant select on *.* to u7@h;
grant select on *.* to u8@h;
select user,select_priv,plugin,authentication_string from mysql.user where user like 'u_';
User	Select_priv	plugin	authentication_string
u1	Y	mysql_native_password	bad
u2	Y	mysql_native_password	*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD
u3	Y	mysql_native_password	*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD
u4	Y	mysql_native_password	*975B2CD4FF9AE554FE8AD33168FBFC326D2021DD
u5	Y	mysql_old_password	bad
u6	Y	mysql_old_password	78a302dd267f6044
u7	Y	mysql_old_password	78a302dd267f6044
u8	Y	nonexistent	78a302dd267f6044
drop user u1@h, u2@h, u3@h, u4@h, u5@h, u6@h, u7@h, u8@h;
create database mysqltest_1;
create user twg@'%' identified by 'test';
create table mysqltest_1.t1(id int);
grant create, drop on `mysqltest_1%`.* to twg@'%';
grant all privileges on `mysqltest_1`.* to twg@'%';
connect conn1,localhost,twg,test,mysqltest_1;
insert into t1 values(1);
disconnect conn1;
connection default;
revoke all privileges, grant option from twg@'%';
grant create, drop on `mysqlt%`.* to twg@'%';
grant all privileges on `mysqlt%1`.* to twg@'%';
connect conn1,localhost,twg,test,mysqltest_1;
insert into t1 values(1);
disconnect conn1;
connection default;
revoke all privileges, grant option from twg@'%';
grant create, drop on `mysqlt%`.* to twg@'%';
grant all privileges on `%mysqltest_1`.* to twg@'%';
connect conn1,localhost,twg,test,mysqltest_1;
insert into t1 values(1);
disconnect conn1;
connection default;
drop database mysqltest_1;
drop user twg@'%';
insert mysql.tables_priv (host,db,user,table_name,grantor,table_priv) values ('localhost','','otto','t1','root@localhost','select');
flush privileges;
delete from mysql.tables_priv where db='';