Mysql event實現定時建表小記

靜以致遠√團團發表於2015-09-10
每天凌晨一點建一個第二天的表
DELIMITER //
CREATE PROCEDURE test.create_tab_every_day()
BEGIN
DECLARE `@i` VARCHAR(15);
DECLARE `@sqlstr` VARCHAR(2560);
SET `@i` = DATE_FORMAT(DATE_ADD(NOW(),INTERVAL 1 DAY),'%Y_%m_%d');
SET @sqlstr = CONCAT(
"CREATE TABLE day_tab_",
`@i`,
"(
  `prop` VARCHAR(40)
);"
);
PREPARE stmt FROM @sqlstr;
EXECUTE stmt;
END;

CALL test.create_tab_every_day();
/*****DROP PROCEDURE test.create_tab_every_day;*****/
/*****drop table test.day_tab_2015_09_11;*****/

DELIMITER $$
CREATE EVENT event_create_tab_days
ON SCHEDULE EVERY 1 DAY
STARTS '2015-09-10 01:00:00'
ON  COMPLETION  PRESERVE
ENABLE
DO
BEGIN
CALL test.create_tab_every_day();
END
$$
DELIMITER ;


每月的11號建一張下個月的表

DELIMITER //
CREATE PROCEDURE test.create_tab_every_mon()
BEGIN
DECLARE `@i` VARCHAR(15);
DECLARE `@sqlstr` VARCHAR(2560);
SET `@i` = DATE_FORMAT(DATE_ADD(NOW(),INTERVAL 1 MONTH),'%Y_%m');
SET @sqlstr = CONCAT(
"CREATE TABLE mon_tab_",
`@i`,
"(
  `prop` VARCHAR(40)
);"
);
PREPARE stmt FROM @sqlstr;
EXECUTE stmt;
END;


CALL test.create_tab_every_mon();
/*****DROP PROCEDURE test.create_tab_every_mon;*****/
/*****DROP TABLE test.mon_tab_2015_10*****/


DELIMITER $$
CREATE EVENT event_create_tab_mons
ON SCHEDULE EVERY 1 MONTH
STARTS '2015-09-11 01:00:00'
ON  COMPLETION  PRESERVE
ENABLE
DO
BEGIN
CALL test.create_tab_every_mon();
END
$$
DELIMITER ;

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