MySQL 生成日期表

#1、创建一个num表，用来存储数字0~9CREATE TABLE num (i int);#2、在num表中生成0~9INSERT INTO num (i) VALUES (0), (1), (2), (3), (4), (5), (6), (7), (8), (9);#3、生成一个存储日期的表，datalist是字段名CREATE TABLE  if not exists calendar(datelist date);#4、生成并插入日期数据INSERT INTO calendar(datelist) SELECT      adddate(          (   -- 这里的起始日期，你可以换成当前日期              DATE_FORMAT("2016-1-1", '%Y-%m-%d')           ),          numlist.id     ) AS `date`FROM(  SELECT        n1.i + n10.i * 10 + n100.i * 100 + n1000.i * 1000+ n10000.i * 10000 AS id        FROM        num n1        CROSS JOIN num AS n10        CROSS JOIN num AS n100        CROSS JOIN num AS n1000        CROSS JOIN num AS n10000     ) AS numlist;#5、最后再添加主键即可ALTER TABLE `calendar`ADD COLUMN `id`  int UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键' FIRST ,ADD PRIMARY KEY (`id`);