//通过内存表的方式将测试数据快速插入正式数据表中
--普通表
CREATE TABLE `vote_record` (`id` INT (11) NOT NULL AUTO_INCREMENT,`user_id` VARCHAR (20) NOT NULL,`vote_id` INT (11) NOT NULL,`group_id` INT (11) NOT NULL,`create_time` datetime NOT NULL,PRIMARY KEY (`id`),KEY `index_user_id` (`user_id`) USING HASH
) ENGINE = INNODB AUTO_INCREMENT = 1 DEFAULT CHARSET = utf8 --内存表
CREATE TABLE `vote_record_memory` (`id` INT (11) NOT NULL AUTO_INCREMENT,`user_id` VARCHAR (20) NOT NULL,`vote_id` INT (11) NOT NULL,`group_id` INT (11) NOT NULL,`create_time` datetime NOT NULL,PRIMARY KEY (`id`),KEY `index_id` (`user_id`) USING HASH
) ENGINE = MEMORY AUTO_INCREMENT = 1 DEFAULT CHARSET = utf8--创建储存函数
CREATE FUNCTION `rand_string`(n INT) RETURNS varchar(255) CHARSET latin1
BEGIN
DECLARE chars_str varchar(100) DEFAULT 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
DECLARE return_str varchar(255) DEFAULT '' ;
DECLARE i INT DEFAULT 0;
WHILE i < n DO
SET return_str = concat(return_str,substring(chars_str , FLOOR(1 + RAND()*62 ),1));
SET i = i +1;
END WHILE;
RETURN return_str;
END--创建存储过程
CREATE PROCEDURE add_vote_memory (IN n int)
BEGIN DECLARE i INT DEFAULT 1;WHILE (i <= n ) DOINSERT into vote_record_memory (user_id,vote_id,group_id,create_time ) VALUEs (rand_string(20),FLOOR(RAND() * 1000),FLOOR(RAND() * 100) ,now() );set i=i+1;END WHILE;
END--调用储存过程
CALL add_vote_memory(1000000)--插入数据
INSERT into vote_record SELECT * from vote_record_memory