mirror of
https://github.com/MariaDB/server.git
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189 lines
6.6 KiB
Plaintext
189 lines
6.6 KiB
Plaintext
set @my_max_user_connections= @@global.max_user_connections;
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drop table if exists t1;
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create table t1 (i int);
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delete from mysql.user where user like 'mysqltest\_%';
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delete from mysql.db where user like 'mysqltest\_%';
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delete from mysql.tables_priv where user like 'mysqltest\_%';
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delete from mysql.columns_priv where user like 'mysqltest\_%';
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flush privileges;
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create user mysqltest_1@localhost;
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grant usage on *.* to mysqltest_1@localhost with max_queries_per_hour 2;
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flush user_resources;
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connect mqph, localhost, mysqltest_1,,;
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connection mqph;
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select * from t1;
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i
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select * from t1;
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i
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select * from t1;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_queries_per_hour' resource (current value: 2)
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connect mqph2, localhost, mysqltest_1,,;
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connection mqph2;
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select * from t1;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_queries_per_hour' resource (current value: 2)
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connection default;
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drop user mysqltest_1@localhost;
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disconnect mqph;
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disconnect mqph2;
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create user mysqltest_1@localhost;
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grant usage on *.* to mysqltest_1@localhost with max_updates_per_hour 2;
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flush user_resources;
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connect muph, localhost, mysqltest_1,,;
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connection muph;
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select * from t1;
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i
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select * from t1;
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i
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select * from t1;
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i
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delete from t1;
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delete from t1;
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delete from t1;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_updates_per_hour' resource (current value: 2)
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select * from t1;
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i
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connect muph2, localhost, mysqltest_1,,;
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connection muph2;
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delete from t1;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_updates_per_hour' resource (current value: 2)
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select * from t1;
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i
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connection default;
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drop user mysqltest_1@localhost;
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disconnect muph;
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disconnect muph2;
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create user mysqltest_1@localhost;
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grant usage on *.* to mysqltest_1@localhost with max_connections_per_hour 2;
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flush user_resources;
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connect mcph1, localhost, mysqltest_1,,;
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connection mcph1;
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select * from t1;
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i
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connect mcph2, localhost, mysqltest_1,,;
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connection mcph2;
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select * from t1;
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i
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect mcph3, localhost, mysqltest_1,,;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_connections_per_hour' resource (current value: 2)
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select * from t1;
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i
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disconnect mcph1;
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disconnect mcph2;
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect mcph3, localhost, mysqltest_1,,;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_connections_per_hour' resource (current value: 2)
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connection default;
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drop user mysqltest_1@localhost;
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flush privileges;
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create user mysqltest_1@localhost;
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grant usage on *.* to mysqltest_1@localhost with max_user_connections 2;
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flush user_resources;
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connect muc1, localhost, mysqltest_1,,;
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connection muc1;
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select * from t1;
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i
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connect muc2, localhost, mysqltest_1,,;
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connection muc2;
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select * from t1;
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i
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect muc3, localhost, mysqltest_1,,;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource (current value: 2)
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disconnect muc1;
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connect muc3, localhost, mysqltest_1,,;
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select * from t1;
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i
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connection default;
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grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
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flush user_resources;
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connect muc4, localhost, mysqltest_1,,;
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connection muc4;
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select * from t1;
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i
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect muc5, localhost, mysqltest_1,,;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource (current value: 3)
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connection default;
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grant usage on *.* to mysqltest_1@localhost with max_user_connections -1;
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show grants for mysqltest_1@localhost;
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Grants for mysqltest_1@localhost
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GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_USER_CONNECTIONS -1
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flush user_resources;
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show grants for mysqltest_1@localhost;
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Grants for mysqltest_1@localhost
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GRANT USAGE ON *.* TO 'mysqltest_1'@'localhost' WITH MAX_USER_CONNECTIONS -1
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect muc5, localhost, mysqltest_1,,;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource (current value: -1)
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disconnect muc2;
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disconnect muc3;
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disconnect muc4;
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drop user mysqltest_1@localhost;
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select @@session.max_user_connections, @@global.max_user_connections;
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@@session.max_user_connections @@global.max_user_connections
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1000 1000
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set session max_user_connections= 2;
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ERROR HY000: SESSION variable 'max_user_connections' is read-only. Use SET GLOBAL to assign the value
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set global max_user_connections= 2;
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select @@session.max_user_connections, @@global.max_user_connections;
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@@session.max_user_connections @@global.max_user_connections
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2 2
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create user mysqltest_1@localhost;
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grant usage on *.* to mysqltest_1@localhost;
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flush user_resources;
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connect muca1, localhost, mysqltest_1,,;
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connection muca1;
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select @@session.max_user_connections, @@global.max_user_connections;
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@@session.max_user_connections @@global.max_user_connections
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2 2
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connect muca2, localhost, mysqltest_1,,;
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connection muca2;
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select * from t1;
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i
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect muca3, localhost, mysqltest_1,,;
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ERROR 42000: User mysqltest_1 already has more than 'max_user_connections' active connections
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connection default;
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grant usage on *.* to mysqltest_1@localhost with max_user_connections 3;
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flush user_resources;
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connect muca3, localhost, mysqltest_1,,;
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connection muca3;
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select @@session.max_user_connections, @@global.max_user_connections;
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@@session.max_user_connections @@global.max_user_connections
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3 2
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect muca4, localhost, mysqltest_1,,;
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ERROR 42000: User 'mysqltest_1' has exceeded the 'max_user_connections' resource (current value: 3)
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connection default;
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disconnect muca1;
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disconnect muca2;
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disconnect muca3;
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set global max_user_connections= 0;
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grant usage on *.* to mysqltest_1@localhost with max_user_connections 0;
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set global max_user_connections=-1;
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show variables like "max_user_user_connections";
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Variable_name Value
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select @@max_user_connections;
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@@max_user_connections
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-1
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select @@global.max_user_connections;
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@@global.max_user_connections
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-1
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect muca2, localhost, mysqltest_1,,;
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ERROR 42000: User mysqltest_1 already has more than 'max_user_connections' active connections
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connect muca2, localhost, root,,;
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disconnect muca2;
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connection default;
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set global max_user_connections=1;
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connect muca2, localhost, mysqltest_1,,;
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connect(localhost,mysqltest_1,,test,MYSQL_PORT,MYSQL_SOCK);
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connect muca3, localhost, mysqltest_1,,;
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ERROR 42000: User mysqltest_1 already has more than 'max_user_connections' active connections
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disconnect muca2;
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connection default;
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drop user mysqltest_1@localhost;
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drop table t1;
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set global max_user_connections= @my_max_user_connections;
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