CREATE TABLE IF NOT EXISTS `comments` (
`id` bigint(20),
`user_id`
bigint(20),
`msg` text,
`time` int(11),
`object` varchar(128),
`object_id` bigint(20) DEFAULT '0'
) ENGINE=InnoDB DEFAULT
CHARSET=utf8;
ALTER TABLE `comments`
ADD PRIMARY KEY (`id`);
ALTER
TABLE `comments`
MODIFY `id` bigint(20) AUTO_INCREMENT;