   `topic_id` int(11) NOT NULL DEFAULT '0',
   `user_id` int(11) NOT NULL DEFAULT '0',
   `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
-  `content` varchar(3000) NOT NULL DEFAULT '',
+  `content` TEXT NOT NULL DEFAULT '',
   PRIMARY KEY (`id`),
   KEY `index_topic_id` (`topic_id`),
   KEY `index_user_id` (`user_id`),

  PRIMARY KEY (`id`),
  UNIQUE KEY `unique_user_topic` (`user_id`,`topic_id`),
  KEY `index_user_id` (`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;




/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;



# Dump of table category
# ------------------------------------------------------------

