BEGIN

declare date_str varchar(8);
declare table_prefix varchar(20);
set table_prefix='mail_rare_visit_';
set date_str = DATE_FORMAT(CURRENT_DATE(),'%Y%m%d');
set @table_name = concat(table_prefix, date_str);
set @s = concat('CREATE TABLE ', @table_name, '(
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `user_id` int(11) NOT NULL,
  `city_id` int(11) NOT NULL,
  `email` varchar(300) NOT NULL,
  `channel_id` int(11) DEFAULT NULL,
  `w_revenue` decimal(7,6) NOT NULL DEFAULT  0.000000,
  `w_buy` decimal(7,6) NOT NULL DEFAULT 0.000000,
  `w_browse` decimal(7,6) NOT NULL DEFAULT 0.000000,
  `rec_goods` varchar(800) DEFAULT NULL,
  `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  KEY `idx_user_id` (`user_id`),
  KEY `idx_city_id` (`user_id`),
  KEY `idx_email` (`email`),
  KEY `idx_channel_id` (`channel_id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;');

prepare stmt from @s;
execute stmt;

DEALLOCATE prepare stmt;

end

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