深入mysql存储过程中表名使用参数传入的详解

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 '

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