set @save_query_cache_size=@@global.query_cache_size;
set @save_sql_mode=@@global.sql_mode;
set @save_query_cache_type=@@global.query_cache_type;
set GLOBAL sql_mode="";
set LOCAL sql_mode="";
drop table if exists test.t1,mysqltest.t1,mysqltest.t2;
drop database if exists mysqltest;
set GLOBAL query_cache_type=ON;
set LOCAL query_cache_type=ON;
set GLOBAL query_cache_size=1355776;
reset query cache;
flush status;
connect  root,localhost,root,,test,$MASTER_MYPORT,$MASTER_MYSOCK;
connection root;
show grants for current_user;
Grants for root@localhost
GRANT ALL PRIVILEGES ON *.* TO `root`@`localhost` WITH GRANT OPTION
GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION
show grants;
Grants for root@localhost
GRANT ALL PRIVILEGES ON *.* TO `root`@`localhost` WITH GRANT OPTION
GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION
create database if not exists mysqltest;
create table mysqltest.t1 (a int,b int,c int);
create table mysqltest.t2 (a int,b int,c int);
insert into mysqltest.t1 values (1,1,1),(2,2,2);
insert into mysqltest.t2 values (3,3,3);
create table test.t1 (a char (10));
insert into test.t1 values ("test.t1");
select * from t1;
a
test.t1
connect  root2,localhost,root,,mysqltest,$MASTER_MYPORT,$MASTER_MYSOCK;
connection root2;
select * from t1;
a	b	c
1	1	1
2	2	2
select a from t1;
a
1
2
select c from t1;
c
1
2
select * from t2;
a	b	c
3	3	3
select * from mysqltest.t1,test.t1;
a	b	c	a
1	1	1	test.t1
2	2	2	test.t1
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits%";
Variable_name	Value
Qcache_hits	0
grant SELECT on mysqltest.* to mysqltest_1@localhost;
grant SELECT on mysqltest.t1 to mysqltest_2@localhost;
grant SELECT on test.t1 to mysqltest_2@localhost;
grant SELECT(a) on mysqltest.t1 to mysqltest_3@localhost;
connect  user1,localhost,mysqltest_1,,mysqltest,$MASTER_MYPORT,$MASTER_MYSOCK;
connection user1;
show grants for current_user();
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO `mysqltest_1`@`localhost`
GRANT SELECT ON `mysqltest`.* TO `mysqltest_1`@`localhost`
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	0
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	0
select "user1";
user1
user1
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	0
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	1
select * from t1;
a	b	c
1	1	1
2	2	2
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	1
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	1
select a from t1 ;
a
1
2
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	2
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	1
select c from t1;
c
1
2
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	3
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	1
connect  unkuser,localhost,unkuser,,,$MASTER_MYPORT,$MASTER_MYSOCK;
connection unkuser;
show grants for current_user();
Grants for @localhost
GRANT USAGE ON *.* TO ``@`localhost`
connect  user2,localhost,mysqltest_2,,mysqltest,$MASTER_MYPORT,$MASTER_MYSOCK;
connection user2;
select "user2";
user2
user2
select * from t1;
a	b	c
1	1	1
2	2	2
select a from t1;
a
1
2
select c from t1;
c
1
2
select * from mysqltest.t1,test.t1;
a	b	c	a
1	1	1	test.t1
2	2	2	test.t1
select * from t2;
ERROR 42000: SELECT command denied to user 'mysqltest_2'@'localhost' for table 't2'
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	7
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	2
connect  user3,localhost,mysqltest_3,,mysqltest,$MASTER_MYPORT,$MASTER_MYSOCK;
connection user3;
select "user3";
user3
user3
select * from t1;
ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for table 't1'
select a from t1;
a
1
2
select c from t1;
ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for column 'c' in table 't1'
select * from t2;
ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for table 't2'
select mysqltest.t1.c from test.t1,mysqltest.t1;
ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for column 'c' in table 't1'
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	6
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	7
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	4
connect  user4,localhost,mysqltest_1,,*NO-ONE*,$MASTER_MYPORT,$MASTER_MYSOCK;
connection user4;
select "user4";
user4
user4
show grants;
Grants for mysqltest_1@localhost
GRANT USAGE ON *.* TO `mysqltest_1`@`localhost`
GRANT SELECT ON `mysqltest`.* TO `mysqltest_1`@`localhost`
select a from t1;
ERROR 3D000: No database selected
select * from mysqltest.t1,test.t1;
a	b	c	a
1	1	1	test.t1
2	2	2	test.t1
select a from mysqltest.t1;
a
1
2
select a from mysqltest.t1;
a
1
2
show status like "Qcache_queries_in_cache";
Variable_name	Value
Qcache_queries_in_cache	8
show status like "Qcache_hits";
Variable_name	Value
Qcache_hits	8
show status like "Qcache_not_cached";
Variable_name	Value
Qcache_not_cached	5
connection root;
disconnect root;
connection root2;
disconnect root2;
connection user1;
disconnect user1;
connection user2;
disconnect user2;
connection user3;
disconnect user3;
connection user4;
disconnect user4;
connection unkuser;
disconnect unkuser;
connection default;
set names binary;
delete from mysql.user where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
delete from mysql.db where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
delete from mysql.tables_priv where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
delete from mysql.columns_priv where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
flush privileges;
drop table test.t1,mysqltest.t1,mysqltest.t2;
drop database mysqltest;
set GLOBAL query_cache_type=ON;
set LOCAL query_cache_type=ON;
set GLOBAL query_cache_size=@save_query_cache_size;
set GLOBAL sql_mode=@save_sql_mode;
set GLOBAL query_cache_type=@save_query_cache_type;