create database if not exists events_test; use events_test; drop event if exists event1; Warnings: Note 1305 Event event1 does not exist create event event1 on schedule every 15 minute starts now() ends date_add(now(), interval 5 hour) DO begin end; alter event event1 rename to event2 enable; alter event event2 disable; alter event event2 enable; alter event event2 on completion not preserve; alter event event2 on schedule every 1 year on completion preserve rename to event3 comment "new comment" do begin select 1; end__ alter event event3 rename to event2; drop event event2; create event event2 on schedule every 2 second starts now() ends date_add(now(), interval 5 hour) comment "some" DO begin end; drop event event2; create event e_43 on schedule every 1 second do set @a = 5; set global event_scheduler = 1; select sleep(2); sleep(2) 0 alter event e_43 do alter event e_43 do set @a = 4; select sleep(3); sleep(3) 0 select db, name, body, status, interval_field, interval_value from mysql.event; db name body status interval_field interval_value events_test e_43 set @a = 4 ENABLED SECOND 1 drop event e_43; select sleep(1); sleep(1) 0 set global event_scheduler = 0; create table t_event3 (a int, b float); drop event if exists event3; Warnings: Note 1305 Event event3 does not exist 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()); set max_allowed_packet=128000000; select count(*) from t_event3; count(*) 0 drop event event3; drop table t_event3; create event one_event on schedule every 10 second do select 123; SHOW EVENTS; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status events_test one_event root@localhost RECURRING NULL 10 INTERVAL_SECOND # # ENABLED 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; EVENT_CATALOG EVENT_SCHEMA EVENT_NAME DEFINER EVENT_BODY EVENT_TYPE EXECUTE_AT INTERVAL_VALUE INTERVAL_FIELD STATUS ON_COMPLETION EVENT_COMMENT NULL events_test one_event root@localhost select 123 RECURRING NULL 10 INTERVAL_SECOND ENABLED NOT PRESERVE CREATE DATABASE events_test2; CREATE USER ev_test@localhost; GRANT ALL ON events_test.* to ev_test@localhost; GRANT ALL on events_test2.* to ev_test@localhost; REVOKE EVENT ON events_test2.* FROM ev_test@localhost; REVOKE PROCESS on *.* from ev_test@localhost; select "NEW CONNECTION"; NEW CONNECTION NEW CONNECTION SELECT USER(), DATABASE(); USER() DATABASE() ev_test@localhost events_test2 SHOW GRANTS; Grants for ev_test@localhost GRANT USAGE ON *.* TO 'ev_test'@'localhost' GRANT ALL PRIVILEGES ON `events_test`.* TO 'ev_test'@'localhost' 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' "Here comes an error:"; SHOW EVENTS; ERROR 42000: Access denied for user 'ev_test'@'localhost' to database 'events_test2' USE events_test; "Now the list should be empty:"; SHOW EVENTS; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status select concat("Let's create some new events from the name of ",user()); concat("Let's create some new events from the name of ",user()) Let's create some new events from the name of ev_test@localhost create event one_event on schedule every 20 second do select 123; create event two_event on schedule every 20 second on completion not preserve comment "two event" do select 123; create event three_event on schedule every 20 second on completion preserve comment "three event" do select 123; "Now we should see 3 events:"; SHOW EVENTS; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status events_test one_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED "This should show us only 3 events:"; SHOW FULL EVENTS; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status events_test one_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED "This should show us only 2 events:"; SHOW FULL EVENTS LIKE 't%event'; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED "This should show us no events:"; SHOW FULL EVENTS FROM test LIKE '%'; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status DROP DATABASE events_test2; "should see 1 event:"; SHOW EVENTS; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status events_test one_event root@localhost RECURRING NULL 10 INTERVAL_SECOND # # ENABLED "we should see 4 events now:"; SHOW FULL EVENTS; Db Name Definer Type Execute at Interval value Interval field Starts Ends Status events_test one_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test three_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test two_event ev_test@localhost RECURRING NULL 20 INTERVAL_SECOND # # ENABLED events_test one_event root@localhost RECURRING NULL 10 INTERVAL_SECOND # # ENABLED 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; EVENT_CATALOG EVENT_SCHEMA EVENT_NAME DEFINER EVENT_BODY EVENT_TYPE EXECUTE_AT INTERVAL_VALUE INTERVAL_FIELD STATUS ON_COMPLETION EVENT_COMMENT NULL events_test one_event ev_test@localhost select 123 RECURRING NULL 20 INTERVAL_SECOND ENABLED NOT PRESERVE NULL events_test three_event ev_test@localhost select 123 RECURRING NULL 20 INTERVAL_SECOND ENABLED PRESERVE three event NULL events_test two_event ev_test@localhost select 123 RECURRING NULL 20 INTERVAL_SECOND ENABLED NOT PRESERVE two event NULL events_test one_event root@localhost select 123 RECURRING NULL 10 INTERVAL_SECOND ENABLED NOT PRESERVE drop event one_event; drop event two_event; drop event three_event; drop user ev_test@localhost; drop event one_event; create event e_26 on schedule at '2017-01-01 00:00:00' disable do set @a = 5; select db, name, body, definer, convert_tz(execute_at, 'UTC', 'SYSTEM'), on_completion from mysql.event; db name body definer convert_tz(execute_at, 'UTC', 'SYSTEM') on_completion events_test e_26 set @a = 5 root@localhost 2017-01-01 00:00:00 DROP drop event e_26; create event e_26 on schedule at NULL disabled do set @a = 5; ERROR HY000: Incorrect AT value: 'NULL' create event e_26 on schedule at 'definitely not a datetime' disabled do set @a = 5; ERROR HY000: Incorrect AT value: 'definitely not a datetime' set names utf8; create event задачка on schedule every 123 minute starts now() ends now() + interval 1 month do select 1; drop event задачка; set event_scheduler=0; ERROR HY000: Variable 'event_scheduler' is a GLOBAL variable and should be set with SET GLOBAL set global event_scheduler=2; ERROR 42000: Variable 'event_scheduler' can't be set to the value of '2' drop database events_test;