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214 lines
6.7 KiB
Plaintext
214 lines
6.7 KiB
Plaintext
#
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# Test behavior of various per-account limits (aka quotas)
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#
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# Requires privileges to be enabled
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--source include/not_embedded.inc
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# Save the initial number of concurrent sessions
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--source include/count_sessions.inc
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set @my_max_user_connections= @@global.max_user_connections;
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# Prepare play-ground
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1 (i int);
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# Just be sure that nothing will bother us
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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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# Limits doesn't work with prepared statements (yet)
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--disable_ps_protocol
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# Test of MAX_QUERIES_PER_HOUR limit
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grant usage on *.* to mysqltest_1@localhost with max_queries_per_hour 2;
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# This ensures that counters are reset and makes test scheduling independent
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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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select * from t1;
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--error ER_USER_LIMIT_REACHED
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select * from t1;
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connect (mqph2, localhost, mysqltest_1,,);
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connection mqph2;
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--error ER_USER_LIMIT_REACHED
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select * from t1;
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# cleanup
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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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# Test of MAX_UPDATES_PER_HOUR limit
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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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select * from t1;
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select * from t1;
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delete from t1;
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delete from t1;
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--error ER_USER_LIMIT_REACHED
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delete from t1;
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select * from t1;
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connect (muph2, localhost, mysqltest_1,,);
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connection muph2;
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--error ER_USER_LIMIT_REACHED
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delete from t1;
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select * from t1;
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# Cleanup
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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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# Test of MAX_CONNECTIONS_PER_HOUR limit
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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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connect (mcph2, localhost, mysqltest_1,,);
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connection mcph2;
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select * from t1;
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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_USER_LIMIT_REACHED
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connect (mcph3, localhost, mysqltest_1,,);
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# Old connection is still ok
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select * from t1;
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# Let us try to close old connections and try again. This will also test that
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# counters are not thrown away if there are no connections for this user.
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disconnect mcph1;
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disconnect mcph2;
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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_USER_LIMIT_REACHED
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connect (mcph3, localhost, mysqltest_1,,);
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# Cleanup
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connection default;
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drop user mysqltest_1@localhost;
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# Test of MAX_USER_CONNECTIONS limit
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# We need this to reset internal mqh_used variable
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flush privileges;
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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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connect (muc2, localhost, mysqltest_1,,);
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connection muc2;
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select * from t1;
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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_USER_LIMIT_REACHED
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connect (muc3, localhost, mysqltest_1,,);
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# Closing of one of connections should help
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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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# Changing of limit should also help (and immediately)
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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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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_USER_LIMIT_REACHED
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connect (muc5, localhost, mysqltest_1,,);
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connection default;
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# Test with negative max_user_connections
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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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flush user_resources;
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show grants for mysqltest_1@localhost;
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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_USER_LIMIT_REACHED
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connect (muc5, localhost, mysqltest_1,,);
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# Clean up
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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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# Now let us test interaction between global and per-account
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# max_user_connections limits
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select @@session.max_user_connections, @@global.max_user_connections;
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# Local max_user_connections variable can't be set directly
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# since this limit is per-account
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--error ER_VARIABLE_IS_READONLY
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set session max_user_connections= 2;
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# But it is ok to set global max_user_connections
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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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# Let us check that global limit works
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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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connect (muca2, localhost, mysqltest_1,,);
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connection muca2;
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select * from t1;
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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_TOO_MANY_USER_CONNECTIONS
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connect (muca3, localhost, mysqltest_1,,);
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# Now we are testing that per-account limit prevails over gloabl limit
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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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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_USER_LIMIT_REACHED
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connect (muca4, localhost, mysqltest_1,,);
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# Cleanup
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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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--enable_ps_protocol
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#
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# Test setting negative values of max_user_connections
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#
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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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select @@max_user_connections;
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select @@global.max_user_connections;
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# Check that we can't connect anymore except as root
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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_TOO_MANY_USER_CONNECTIONS
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connect (muca2, localhost, mysqltest_1,,);
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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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# Check that we can connect one time, not two
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connect (muca2, localhost, mysqltest_1,,);
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--replace_result $MASTER_MYPORT MYSQL_PORT $MASTER_MYSOCK MYSQL_SOCK
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--error ER_TOO_MANY_USER_CONNECTIONS
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connect (muca3, localhost, mysqltest_1,,);
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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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# Final cleanup
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drop table t1;
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# Wait till all disconnects are completed
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--source include/wait_until_count_sessions.inc
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set global max_user_connections= @my_max_user_connections;
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