use database_name;
DROP TABLE IF EXISTS `table_name`;
CREATE TABLE `table_name` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT '自增主键',
`ad_id` bigint(20) unsigned NOT NULL DEFAULT '0' COMMENT '广告id',
`user_id` bigint(20) unsigned NOT NULL DEFAULT '0' COMMENT '用户id',
`count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '用户量',
`use_count` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '广告使用量',
`valid_time` datetime NOT NULL COMMENT '广告有效使用时间',
PRIMARY KEY (`id`),
KEY `idx_ad_user` (`ad_id`,`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='广告记录表';