MySQL按时间拆分千万级大表的实现代码

#-----创建存储过程
CREATE PROCEDURE ctrlcctrlv_table(var VARCHAR(20))
BEGIN
SET @param1 = concat('ALTER TABLE ', var, ' RENAME ', var, DATE_FORMAT(NOW(), '%Y_%m_%d'));
PREPARE stmt FROM @param1;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET @param2 = concat('CREATE table ', var, ' like ', var, DATE_FORMAT(NOW(), '%Y_%m_%d'));
PREPARE stmt1 FROM @param2;
EXECUTE stmt1;
DEALLOCATE PREPARE stmt1;
END;

#-----创建存储过程
CREATE PROCEDURE ctrlcctrlv_table(var VARCHAR(20))
BEGIN
SET @param1 = concat('ALTER TABLE ', var, ' RENAME ', var, DATE_FORMAT(NOW(), '%Y_%m_%d'));
PREPARE stmt FROM @param1;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET @param2 = concat('CREATE table ', var, ' like ', var, DATE_FORMAT(NOW(), '%Y_%m_%d'));
PREPARE stmt1 FROM @param2;
EXECUTE stmt1;
DEALLOCATE PREPARE stmt1;
END;

#-----创建存储过程
CREATE PROCEDURE ctrlcctrlv_table(var VARCHAR(20))
BEGIN
SET @param1 = concat('ALTER TABLE ', var, ' RENAME ', var, DATE_FORMAT(NOW(), '%Y_%m_%d'));
PREPARE stmt FROM @param1;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET @param2 = concat('CREATE table ', var, ' like ', var, DATE_FORMAT(NOW(), '%Y_%m_%d'));
PREPARE stmt1 FROM @param2;
EXECUTE stmt1;
DEALLOCATE PREPARE stmt1;
END;

#--测试存储过程执行情况
call ctrlcctrlv_table("zong_biao"); 

CREATE TABLE `test_cut_demo` (
  `id` int NOT NULL AUTO_INCREMENT,
  `username` varchar(20) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `password` varchar(20) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `create_time` varchar(20) CHARACTER SET utf8 COLLATE utf8_unicode_ci NOT NULL,
  `day` datetime DEFAULT NULL COMMENT '日期',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=2997 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

#--创建循环测试插入数据
delimiter $$
create event event_insert_SECOND 
on schedule every 2 SECOND  STARTS   CURRENT_TIMESTAMP + INTERVAL 1 MINUTE
COMMENT 'xiaowu create'
do 
    BEGIN
           insert into new_cut.test_cut_demo(username,password,create_time,day) values("李四","tomcat",now(),curdate());
    END $$
delimiter ;
#----红色库名，蓝色表明

alter event event_insert_SECOND on completion preserve enable; 

#--测试存储过程执行情况
call ctrlcctrlv_table("test_cut_demo");