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("20010101", 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 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;