user_limits.result

这是linux下运行的mysql软件包,可用于linux 下安装 php + mysql + apach 的网络配置

drop table if exists t1;
create table t1 (i int);
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;
grant usage on *.* to mysqltest_1@localhost with max_queries_per_hour 2;
flush user_resources;
select * from t1;
i
select * from t1;
i
select * from t1;
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_questions' resource (current value: 2)
select * from t1;
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_questions' resource (current value: 2)
drop user mysqltest_1@localhost;
grant usage on *.* to mysqltest_1@localhost with max_updates_per_hour 2;
flush user_resources;
select * from t1;
i
select * from t1;
i
select * from t1;
i
delete from t1;
delete from t1;
delete from t1;
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_updates' resource (current value: 2)
select * from t1;
i
delete from t1;
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_updates' resource (current value: 2)
select * from t1;
i
drop user mysqltest_1@localhost;
grant usage on *.* to mysqltest_1@localhost with max_connections_per_hour 2;
flush user_resources;
select * from t1;
i
select * from t1;
i
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_connections_per_hour' resource (current value: 2)
select * from t1;
i
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_connections_per_hour' resource (current value: 2)
drop user mysqltest_1@localhost;
flush privileges;
grant usage on *.* to mysqltest_1@localhost with max_user_connections 2;
flush user_resources;
select * from t1;
i
select * from t1;
i
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource (current value: 2)
select * from t1;
i
grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
flush user_resources;
select * from t1;
i
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource (current value: 3)
drop user mysqltest_1@localhost;
select @@session.max_user_connections, @@global.max_user_connections;
@@session.max_user_connections	@@global.max_user_connections
0	0
set session max_user_connections= 2;
ERROR HY000: Variable 'max_user_connections' is a GLOBAL variable and should be set with SET GLOBAL
set global max_user_connections= 2;
select @@session.max_user_connections, @@global.max_user_connections;
@@session.max_user_connections	@@global.max_user_connections
2	2
grant usage on *.* to mysqltest_1@localhost;
flush user_resources;
select @@session.max_user_connections, @@global.max_user_connections;
@@session.max_user_connections	@@global.max_user_connections
2	2
select * from t1;
i
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
ERROR 42000: User mysqltest_1 already has more than 'max_user_connections' active connections
grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
flush user_resources;
select @@session.max_user_connections, @@global.max_user_connections;
@@session.max_user_connections	@@global.max_user_connections
3	2
connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource (current value: 3)
set global max_user_connections= 0;
drop user mysqltest_1@localhost;
drop table t1;