1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
delete from mysql.user where user like 'mysqltest\_%';
delete from mysql.db where user like 'mysqltest\_%';
delete from mysql.tables_priv where user like 'mysqltest\_%';
delete from mysql.columns_priv where user like 'mysqltest\_%';
flush privileges;
create table t1 (a int, b datetime);
create table t2 (c int, d datetime);
grant all privileges on test.* to mysqltest_1@localhost;
show grants for current_user();
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
GRANT ALL PRIVILEGES ON `test`.* TO 'mysqltest_1'@'localhost'
set time_zone= '+00:00';
set time_zone= 'Europe/Moscow';
select convert_tz('2004-10-21 19:00:00', 'Europe/Moscow', 'UTC');
convert_tz('2004-10-21 19:00:00', 'Europe/Moscow', 'UTC')
2004-10-21 15:00:00
select convert_tz(b, 'Europe/Moscow', 'UTC') from t1;
convert_tz(b, 'Europe/Moscow', 'UTC')
update t1, t2 set t1.b = convert_tz('2004-10-21 19:00:00', 'Europe/Moscow', 'UTC')
where t1.a = t2.c and t2.d = (select max(d) from t2);
select * from mysql.time_zone_name;
ERROR 42000: Access denied for user 'mysqltest_1'@'localhost' to database 'mysql'
select Name, convert_tz('2004-10-21 19:00:00', Name, 'UTC') from mysql.time_zone_name;
ERROR 42000: Access denied for user 'mysqltest_1'@'localhost' to database 'mysql'
delete from mysql.db where user like 'mysqltest\_%';
flush privileges;
grant all privileges on test.t1 to mysqltest_1@localhost;
grant all privileges on test.t2 to mysqltest_1@localhost;
show grants for current_user();
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost'
GRANT ALL PRIVILEGES ON `test`.`t2` TO 'mysqltest_1'@'localhost'
GRANT ALL PRIVILEGES ON `test`.`t1` TO 'mysqltest_1'@'localhost'
set time_zone= '+00:00';
set time_zone= 'Europe/Moscow';
select convert_tz('2004-11-31 12:00:00', 'Europe/Moscow', 'UTC');
convert_tz('2004-11-31 12:00:00', 'Europe/Moscow', 'UTC')
2004-12-01 09:00:00
select convert_tz(b, 'Europe/Moscow', 'UTC') from t1;
convert_tz(b, 'Europe/Moscow', 'UTC')
update t1, t2 set t1.b = convert_tz('2004-11-30 12:00:00', 'Europe/Moscow', 'UTC')
where t1.a = t2.c and t2.d = (select max(d) from t2);
select * from mysql.time_zone_name;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for table 'time_zone_name'
select Name, convert_tz('2004-11-30 12:00:00', Name, 'UTC') from mysql.time_zone_name;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for table 'time_zone_name'
delete from mysql.user where user like 'mysqltest\_%';
delete from mysql.db where user like 'mysqltest\_%';
delete from mysql.tables_priv where user like 'mysqltest\_%';
flush privileges;
drop table t1, t2;