NetherLink-server/create_sql.txt at master · ming0725/NetherLink-server · GitHub

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CREATE TABLE `users` (
  `uid` char(36) NOT NULL,
  `id` varchar(50) NOT NULL,
  `email` varchar(255) DEFAULT NULL,
  `name` varchar(100) NOT NULL,
  `password` char(60) NOT NULL,
  `avatar_url` varchar(255) DEFAULT NULL,
  `signature` varchar(255) DEFAULT NULL,
  `status` int DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`uid`),
  UNIQUE KEY `id` (`id`),
  UNIQUE KEY `email` (`email`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `chat_groups` (
  `gid` int NOT NULL AUTO_INCREMENT,
  `name` varchar(100) NOT NULL,
  `owner_id` char(36) NOT NULL,
  `avatar` varchar(255) DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`gid`),
  KEY `owner_id` (`owner_id`),
  CONSTRAINT `chat_groups_ibfk_1` FOREIGN KEY (`owner_id`) REFERENCES `users` (`uid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `ai_conversations` (
  `conversation_id` varchar(36) NOT NULL,
  `user_id` varchar(36) NOT NULL,
  `title` varchar(255) NOT NULL,
  `created_at` datetime NOT NULL,
  `updated_at` datetime NOT NULL,
  PRIMARY KEY (`conversation_id`),
  KEY `idx_user_id` (`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `ai_messages` (
  `message_id` bigint NOT NULL AUTO_INCREMENT,
  `conversation_id` varchar(36) NOT NULL,
  `role` varchar(10) NOT NULL,
  `content` text NOT NULL,
  `created_at` datetime NOT NULL,
  PRIMARY KEY (`message_id`),
  KEY `idx_conversation_id` (`conversation_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `comments` (
  `comment_id` bigint NOT NULL AUTO_INCREMENT,
  `post_id` bigint NOT NULL,
  `user_id` char(36) NOT NULL,
  `content` text NOT NULL,
  `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`comment_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `friend_requests` (
  `request_id` bigint NOT NULL AUTO_INCREMENT,
  `from_uid` char(36) NOT NULL,
  `to_uid` char(36) NOT NULL,
  `message` varchar(255) DEFAULT NULL,
  `status` enum('pending','accepted','rejected') DEFAULT 'pending',
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`request_id`),
  KEY `from_uid` (`from_uid`),
  KEY `to_uid` (`to_uid`),
  CONSTRAINT `friend_requests_ibfk_1` FOREIGN KEY (`from_uid`) REFERENCES `users` (`uid`) ON DELETE CASCADE,
  CONSTRAINT `friend_requests_ibfk_2` FOREIGN KEY (`to_uid`) REFERENCES `users` (`uid`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `friends` (
  `user_id` char(36) NOT NULL,
  `friend_id` char(36) NOT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`user_id`,`friend_id`),
  KEY `friend_id` (`friend_id`),
  CONSTRAINT `friends_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`uid`) ON DELETE CASCADE,
  CONSTRAINT `friends_ibfk_2` FOREIGN KEY (`friend_id`) REFERENCES `users` (`uid`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `group_join_requests` (
  `request_id` bigint NOT NULL AUTO_INCREMENT,
  `user_id` char(36) NOT NULL,
  `group_id` int NOT NULL,
  `message` varchar(255) DEFAULT NULL,
  `status` enum('pending','accepted','rejected') DEFAULT 'pending',
  `handler_uid` char(36) DEFAULT NULL,
  `created_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`request_id`),
  KEY `user_id` (`user_id`),
  KEY `group_id` (`group_id`),
  KEY `handler_uid` (`handler_uid`),
  CONSTRAINT `group_join_requests_ibfk_1` FOREIGN KEY (`user_id`) REFERENCES `users` (`uid`) ON DELETE CASCADE,
  CONSTRAINT `group_join_requests_ibfk_2` FOREIGN KEY (`group_id`) REFERENCES `chat_groups` (`gid`) ON DELETE CASCADE,
  CONSTRAINT `group_join_requests_ibfk_3` FOREIGN KEY (`handler_uid`) REFERENCES `users` (`uid`) ON DELETE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `group_members` (
  `gid` int NOT NULL,
  `uid` char(36) NOT NULL,
  `role` enum('owner','admin','member') DEFAULT 'member',
  `joined_at` timestamp NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`gid`,`uid`),
  KEY `uid` (`uid`),
  CONSTRAINT `group_members_ibfk_1` FOREIGN KEY (`gid`) REFERENCES `chat_groups` (`gid`) ON DELETE CASCADE,
  CONSTRAINT `group_members_ibfk_2` FOREIGN KEY (`uid`) REFERENCES `users` (`uid`) ON DELETE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `group_message` (
  `id` bigint NOT NULL AUTO_INCREMENT,
  `group_id` varchar(64) NOT NULL,
  `sender_id` varchar(32) NOT NULL,
  `timestamp` datetime NOT NULL,
  `type` varchar(16) NOT NULL,
  `content` text,
  `extra` json DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `post_likes` (
  `post_id` bigint NOT NULL,
  `user_id` char(36) NOT NULL,
  `liked_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  PRIMARY KEY (`post_id`,`user_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `posts` (
  `post_id` bigint NOT NULL AUTO_INCREMENT,
  `user_id` char(36) NOT NULL,
  `title` text NOT NULL,
  `content` text NOT NULL,
  `image_url` varchar(255) DEFAULT NULL,
  `created_at` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `updated_at` datetime DEFAULT NULL ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`post_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

CREATE TABLE `private_messages` (
  `id` bigint NOT NULL AUTO_INCREMENT,
  `receiver_id` varchar(64) NOT NULL,
  `sender_id` varchar(32) NOT NULL,
  `timestamp` datetime NOT NULL,
  `type` varchar(16) NOT NULL,
  `content` text,
  `extra` json DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;