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https://github.com/MariaDB/server.git
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198 lines
10 KiB
Text
198 lines
10 KiB
Text
create database if not exists events_test;
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use events_test;
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drop event if exists event1;
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Warnings:
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Note 1305 Event event1 does not exist
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create event event1 on schedule every 15 minute starts now() ends date_add(now(), interval 5 hour) DO begin end;
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alter event event1 rename to event2 enable;
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alter event event2 disable;
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alter event event2 enable;
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alter event event2 on completion not preserve;
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alter event event2 on schedule every 1 year on completion preserve rename to event3 comment "new comment" do begin select 1; end__
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alter event event3 rename to event2;
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drop event event2;
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create event event2 on schedule every 2 second starts now() ends date_add(now(), interval 5 hour) comment "some" DO begin end;
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drop event event2;
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create event e_43 on schedule every 1 second do set @a = 5;
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set global event_scheduler = 1;
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alter event e_43 do alter event e_43 do set @a = 4;
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select db, name, body, status, interval_field, interval_value from mysql.event;
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db name body status interval_field interval_value
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events_test e_43 set @a = 4 ENABLED SECOND 1
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drop event e_43;
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set global event_scheduler = 0;
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create table t_event3 (a int, b float);
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drop event if exists event3;
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Warnings:
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Note 1305 Event event3 does not exist
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create event event3 on schedule every 50 + 10 minute starts date_add("20100101", interval 5 minute) ends date_add("20151010", interval 5 day) comment "portokala_comment" DO insert into t_event3 values (unix_timestamp(), rand());
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set max_allowed_packet=128000000;
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select count(*) from t_event3;
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count(*)
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0
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drop event event3;
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drop table t_event3;
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create event one_event on schedule every 10 second do select 123;
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SHOW EVENTS;
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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events_test one_event root@localhost RECURRING NULL 10 INTERVAL_SECOND # # ENABLED
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SELECT EVENT_CATALOG, EVENT_SCHEMA, EVENT_NAME, DEFINER, EVENT_BODY, EVENT_TYPE, EXECUTE_AT, INTERVAL_VALUE, INTERVAL_FIELD, STATUS,ON_COMPLETION, EVENT_COMMENT from information_schema.events;
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EVENT_CATALOG EVENT_SCHEMA EVENT_NAME DEFINER EVENT_BODY EVENT_TYPE EXECUTE_AT INTERVAL_VALUE INTERVAL_FIELD STATUS ON_COMPLETION EVENT_COMMENT
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NULL events_test one_event root@localhost select 123 RECURRING NULL 10 INTERVAL_SECOND ENABLED NOT PRESERVE
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CREATE DATABASE events_test2;
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CREATE USER ev_test@localhost;
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GRANT ALL ON events_test.* to ev_test@localhost;
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GRANT ALL on events_test2.* to ev_test@localhost;
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REVOKE EVENT ON events_test2.* FROM ev_test@localhost;
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REVOKE PROCESS on *.* from ev_test@localhost;
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select "NEW CONNECTION";
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NEW CONNECTION
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NEW CONNECTION
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SELECT USER(), DATABASE();
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USER() DATABASE()
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ev_test@localhost events_test2
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SHOW GRANTS;
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Grants for ev_test@localhost
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GRANT USAGE ON *.* TO 'ev_test'@'localhost'
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GRANT ALL PRIVILEGES ON `events_test`.* TO 'ev_test'@'localhost'
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GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE ON `events_test2`.* TO 'ev_test'@'localhost'
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"Here comes an error:";
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SHOW EVENTS;
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ERROR 42000: Access denied for user 'ev_test'@'localhost' to database 'events_test2'
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USE events_test;
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"Now the list should be empty:";
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SHOW EVENTS;
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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select concat("Let's create some new events from the name of ",user());
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concat("Let's create some new events from the name of ",user())
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Let's create some new events from the name of ev_test@localhost
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create event one_event on schedule every 20 second do select 123;
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create event two_event on schedule every 20 second on completion not preserve comment "two event" do select 123;
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create event three_event on schedule every 20 second on completion preserve comment "three event" do select 123;
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"Now we should see 3 events:";
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SHOW EVENTS;
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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events_test one_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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"This should show us only 3 events:";
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SHOW FULL EVENTS;
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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events_test one_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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"This should show us only 2 events:";
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SHOW FULL EVENTS LIKE 't%event';
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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"This should show us no events:";
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SHOW FULL EVENTS FROM test LIKE '%';
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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DROP DATABASE events_test2;
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"should see 1 event:";
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SHOW EVENTS;
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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events_test one_event root@localhost RECURRING NULL 10 INTERVAL_SECOND # # ENABLED
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"we should see 4 events now:";
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SHOW FULL EVENTS;
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Db Name Definer Type Execute at Interval value Interval field Starts Ends Status
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events_test one_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED
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events_test one_event root@localhost RECURRING NULL 10 INTERVAL_SECOND # # ENABLED
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SELECT EVENT_CATALOG, EVENT_SCHEMA, EVENT_NAME, DEFINER, EVENT_BODY, EVENT_TYPE, EXECUTE_AT, INTERVAL_VALUE, INTERVAL_FIELD, STATUS,ON_COMPLETION, EVENT_COMMENT from information_schema.events;
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EVENT_CATALOG EVENT_SCHEMA EVENT_NAME DEFINER EVENT_BODY EVENT_TYPE EXECUTE_AT INTERVAL_VALUE INTERVAL_FIELD STATUS ON_COMPLETION EVENT_COMMENT
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NULL events_test one_event ev_test@localhost select 123 RECURRING NULL 20 INTERVAL_SECOND ENABLED NOT PRESERVE
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NULL events_test three_event ev_test@localhost select 123 RECURRING NULL 20 INTERVAL_SECOND ENABLED PRESERVE three event
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NULL events_test two_event ev_test@localhost select 123 RECURRING NULL 20 INTERVAL_SECOND ENABLED NOT PRESERVE two event
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NULL events_test one_event root@localhost select 123 RECURRING NULL 10 INTERVAL_SECOND ENABLED NOT PRESERVE
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drop event one_event;
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drop event two_event;
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drop event three_event;
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drop user ev_test@localhost;
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drop event one_event;
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"Sleep a bit so the server closes the second connection"
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create event e_26 on schedule at '2017-01-01 00:00:00' disable do set @a = 5;
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select db, name, body, definer, convert_tz(execute_at, 'UTC', 'SYSTEM'), on_completion from mysql.event;
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db name body definer convert_tz(execute_at, 'UTC', 'SYSTEM') on_completion
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events_test e_26 set @a = 5 root@localhost 2017-01-01 00:00:00 DROP
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drop event e_26;
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create event e_26 on schedule at NULL disabled do set @a = 5;
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ERROR HY000: Incorrect AT value: 'NULL'
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create event e_26 on schedule at 'definitely not a datetime' disabled do set @a = 5;
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ERROR HY000: Incorrect AT value: 'definitely not a datetime'
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set names utf8;
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create event задачка on schedule every 123 minute starts now() ends now() + interval 1 month do select 1;
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drop event задачка;
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set event_scheduler=0;
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ERROR HY000: Variable 'event_scheduler' is a GLOBAL variable and should be set with SET GLOBAL
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set global event_scheduler=2;
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ERROR 42000: Variable 'event_scheduler' can't be set to the value of '2'
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"DISABLE the scheduler. Testing that it does not work when the variable is 0"
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set global event_scheduler=0;
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select definer, name, db from mysql.event;
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definer name db
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select get_lock("test_lock1", 20);
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get_lock("test_lock1", 20)
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1
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create event закачка on schedule every 10 hour do select get_lock("test_lock1", 20);
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"Should return 1 row"
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select definer, name, db from mysql.event;
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definer name db
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root@localhost закачка events_test
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"Should be only 1 process"
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show processlist;
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Id User Host db Command Time State Info
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# root localhost events_test Query # NULL show processlist
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select release_lock("test_lock1");
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release_lock("test_lock1")
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1
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drop event закачка;
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"Should have 0 events"
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select count(*) from mysql.event;
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count(*)
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0
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"ENABLE the scheduler and get a lock"
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set global event_scheduler=1;
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select get_lock("test_lock2", 20);
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get_lock("test_lock2", 20)
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1
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"Create an event which tries to acquire a mutex. The event locks on the mutex"
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create event закачка on schedule every 10 hour do select get_lock("test_lock2", 20);
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"Let some time pass to the event starts"
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"Should have only 3 processes: the scheduler, our conn and the locked event"
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show processlist;
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Id User Host db Command Time State Info
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# root localhost events_test Query # NULL show processlist
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# event_scheduler NULL Connect # Sleeping NULL
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# root events_test Connect # User lock select get_lock("test_lock2", 20)
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"Release the mutex, the event worker should finish."
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select release_lock("test_lock2");
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release_lock("test_lock2")
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1
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drop event закачка;
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set global event_scheduler=1;
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select get_lock("test_lock2_1", 20);
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get_lock("test_lock2_1", 20)
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1
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create event закачка21 on schedule every 10 hour do select get_lock("test_lock2_1", 20);
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"Should see 2 processes, one locked on get_lock("
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"Shutting down the scheduler, it should wait for the running event"
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set global event_scheduler=0;
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"Should have only 3 processes: the scheduler, our conn and the locked event"
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show processlist;
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Id User Host db Command Time State Info
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# root localhost events_test Query # NULL show processlist
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# event_scheduler NULL Connect # Sleeping NULL
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# root events_test Connect # User lock select get_lock("test_lock2_1", 20)
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"Release the lock so the child process should finish. Hence the scheduler also"
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select release_lock("test_lock2_1");
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release_lock("test_lock2_1")
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1
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"Should have only our process now:"
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show processlist;
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Id User Host db Command Time State Info
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# root localhost events_test Query # NULL show processlist
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drop event закачка21;
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drop database events_test;
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