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141 lines
5.1 KiB
Text
141 lines
5.1 KiB
Text
select * from performance_schema.setup_actors;
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HOST USER ROLE
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% % %
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truncate table performance_schema.setup_actors;
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insert into performance_schema.setup_actors
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values ('hosta', 'user1', '%');
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insert into performance_schema.setup_actors
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values ('%', 'user2', '%');
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insert into performance_schema.setup_actors
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values ('localhost', 'user3', '%');
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insert into performance_schema.setup_actors
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values ('hostb', '%', '%');
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select * from performance_schema.setup_actors
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order by USER, HOST, ROLE;
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HOST USER ROLE
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hostb % %
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hosta user1 %
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% user2 %
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localhost user3 %
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create user user1@localhost;
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grant ALL on *.* to user1@localhost;
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create user user2@localhost;
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grant ALL on *.* to user2@localhost;
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create user user3@localhost;
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grant ALL on *.* to user3@localhost;
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create user user4@localhost;
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grant ALL on *.* to user4@localhost;
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create user user5@localhost;
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grant select on test.* to user5@localhost;
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flush privileges;
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connect con1, localhost, user1, , ;
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select NAME, TYPE, INSTRUMENTED, PROCESSLIST_USER, PROCESSLIST_HOST
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from performance_schema.threads
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where PROCESSLIST_ID = connection_id();
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NAME TYPE INSTRUMENTED PROCESSLIST_USER PROCESSLIST_HOST
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thread/sql/one_connection FOREGROUND NO user1 localhost
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connection default;
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insert into performance_schema.setup_actors
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values ('%', 'user1', '%');
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connection con1;
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select NAME, TYPE, INSTRUMENTED, PROCESSLIST_USER, PROCESSLIST_HOST
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from performance_schema.threads
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where PROCESSLIST_ID = connection_id();
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NAME TYPE INSTRUMENTED PROCESSLIST_USER PROCESSLIST_HOST
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thread/sql/one_connection FOREGROUND NO user1 localhost
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disconnect con1;
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connect con2, localhost, user2, , ;
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select NAME, TYPE, INSTRUMENTED, PROCESSLIST_USER, PROCESSLIST_HOST
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from performance_schema.threads
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where PROCESSLIST_ID=connection_id();
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NAME TYPE INSTRUMENTED PROCESSLIST_USER PROCESSLIST_HOST
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thread/sql/one_connection FOREGROUND YES user2 localhost
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disconnect con2;
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connection default;
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drop table if exists test.t1;
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create table test.t1 (col1 bigint);
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lock table test.t1 write;
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connect con3, localhost, user3, , ;
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select NAME, TYPE, INSTRUMENTED, PROCESSLIST_USER, PROCESSLIST_HOST
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from performance_schema.threads
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where PROCESSLIST_ID = connection_id();
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NAME TYPE INSTRUMENTED PROCESSLIST_USER PROCESSLIST_HOST
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thread/sql/one_connection FOREGROUND YES user3 localhost
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# Send a statement to the server, but do not wait till the result
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# comes back. We will pull this later.
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insert into test.t1 set col1 = 1;
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connect con4, localhost, user4, , ;
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# Poll till INFO is no more NULL and State = 'Waiting for table metadata lock'.
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select count(*) = 1
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from performance_schema.threads T inner join information_schema.PROCESSLIST P
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on T.PROCESSLIST_ID = P.ID and T.PROCESSLIST_USER = P.USER and
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T.PROCESSLIST_HOST = P.HOST and T.PROCESSLIST_DB = P.DB and
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T.PROCESSLIST_COMMAND = P.COMMAND and T.PROCESSLIST_INFO = P.INFO
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where T.PROCESSLIST_USER = 'user3' and T.NAME = 'thread/sql/one_connection';
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count(*) = 1
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1
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connection default;
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unlock tables;
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connection con3;
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# Reap the result of the no more blocked insert
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connection default;
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drop table test.t1;
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disconnect con3;
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connection con4;
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select NAME, TYPE, INSTRUMENTED, PROCESSLIST_USER, PROCESSLIST_HOST
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from performance_schema.threads
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where PROCESSLIST_ID = connection_id();
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NAME TYPE INSTRUMENTED PROCESSLIST_USER PROCESSLIST_HOST
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thread/sql/one_connection FOREGROUND NO user4 localhost
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disconnect con4;
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connection default;
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insert into performance_schema.setup_actors
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values ('localhost', '%', '%');
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select * from performance_schema.setup_actors
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order by USER, HOST, ROLE;
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HOST USER ROLE
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hostb % %
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localhost % %
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% user1 %
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hosta user1 %
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% user2 %
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localhost user3 %
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connect con4b, localhost, user4, , ;
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select NAME, TYPE, INSTRUMENTED, PROCESSLIST_USER, PROCESSLIST_HOST
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from performance_schema.threads
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where PROCESSLIST_ID = connection_id();
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NAME TYPE INSTRUMENTED PROCESSLIST_USER PROCESSLIST_HOST
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thread/sql/one_connection FOREGROUND YES user4 localhost
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disconnect con4b;
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connection default;
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insert into performance_schema.setup_actors
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values ('%', 'user5', '%');
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create sql security definer view test.v1 as select NAME, TYPE, INSTRUMENTED, PROCESSLIST_USER, PROCESSLIST_HOST
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from performance_schema.threads
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where PROCESSLIST_ID = connection_id();
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connect con5, localhost, user5, , ;
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select * from performance_schema.threads;
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ERROR 42000: SELECT command denied to user 'user5'@'localhost' for table 'threads'
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select * from test.v1;
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NAME TYPE INSTRUMENTED PROCESSLIST_USER PROCESSLIST_HOST
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thread/sql/one_connection FOREGROUND YES user5 localhost
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disconnect con5;
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connection default;
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drop view test.v1;
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revoke all privileges, grant option from user1@localhost;
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revoke all privileges, grant option from user2@localhost;
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revoke all privileges, grant option from user3@localhost;
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revoke all privileges, grant option from user4@localhost;
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revoke all privileges, grant option from user5@localhost;
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drop user user1@localhost;
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drop user user2@localhost;
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drop user user3@localhost;
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drop user user4@localhost;
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drop user user5@localhost;
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flush privileges;
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truncate table performance_schema.setup_actors;
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insert into performance_schema.setup_actors
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values ('%', '%', '%');
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select * from performance_schema.setup_actors;
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HOST USER ROLE
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% % %
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