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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