/*
*建立儲存過程**/
create procedure if not exists test()
begin
insert into test.test (time) values( curdate() );
end;
set global event_scheduler=0; //設定任務器 開關 1開 0關
show variables like 'event_scheduler'; //檢視任務器
//建立定時任務
create event if not exists event_test
on schedule every 30 second //設定任務執行間隔時間
do call test();
//呼叫儲存過程
schedule:
//在某個時間點（+間隔時間）
at timestamp [+ interval interval]
| every interval [starts timestamp] [ends timestamp]
//間隔時間執行
interval:
quantity
1) 每秒插入一條記錄到資料表
1use test;
2 createtable aaa (timeline timestamp);
3 createevent e_test_insert
4 onschedule every 1 second
5 do insertinto test.aaa values(current_timestamp);
2) 5天後清空test表：
1create event e_test
2 onschedule at current_timestamp + interval 5 day
3 do truncatetable test.aaa;
3) 2023年7月20日12點整清空test表：
1create event e_test
2 onschedule at timestamp '2007-07-20 12:00:00'
3 do truncatetable test.aaa;
4) 每天定時清空test表：
1create event e_test
2 onschedule every 1 day
3 do truncatetable test.aaa;
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