grant_cache.result
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:5k
- drop table if exists test.t1,mysqltest.t1,mysqltest.t2;
- drop database if exists mysqltest;
- set GLOBAL query_cache_size=1355776;
- reset query cache;
- flush status;
- show grants for current_user;
- Grants for root@localhost
- GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION
- show grants;
- Grants for root@localhost
- GRANT ALL PRIVILEGES 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
- 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;
- 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
- show grants for current_user();
- Grants for @localhost
- GRANT USAGE ON *.* TO ''@'localhost'
- 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
- select "user3";
- user3
- user3
- select * from t1;
- ERROR 42000: SELECT command denied to user 'mysqltest_3'@'localhost' for column 'b' in 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 7
- 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 8
- 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_size=default;