`comment_of_url` varchar(2048) NOT NULL,
`comment_type` varchar(32) NOT NULL,
`comment_json` mediumtext NOT NULL,
`comment_of_url` varchar(2048) NOT NULL,
`comment_type` varchar(32) NOT NULL,
`comment_json` mediumtext NOT NULL,
CREATE TABLE `users` (
`user_id` int(11) NOT NULL AUTO_INCREMENT,
`user_name` varchar(128) NOT NULL,
CREATE TABLE `users` (
`user_id` int(11) NOT NULL AUTO_INCREMENT,
`user_name` varchar(128) NOT NULL,