MariaDB 脚本

CREATE DEFINER=`root`@`localhost` FUNCTION `rand_num`(n INT) RETURNS int(5)
begin
DECLARE i INT  DEFAULT 0;
DECLARE result INT  DEFAULT 0;
WHILE i < n DO
        SET result = result*10 + FLOOR(RAND()*10); 
        SET i = i +1;
    END WHILE;
RETURN result;
end

CREATE DEFINER=`root`@`localhost` 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

CREATE DEFINER=`root`@`localhost` PROCEDURE `insert_users`(IN countNum INT(10))
BEGIN
DECLARE i INT  DEFAULT 0;
SET autocommit = 0;/*把自动提交设为0*/
REPEAT
SET i = i +1;
INSERT INTO users(ID,DELETED) VALUES(rand_string(36), rand_num(1));
UNTIL i=countNum
END REPEAT;
COMMIT;
end