50 lines
2.9 KiB
SQL
50 lines
2.9 KiB
SQL
-- 私聊会话表
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CREATE TABLE IF NOT EXISTS `eb_conversation` (
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`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '会话ID',
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`user1_id` int(11) NOT NULL COMMENT '用户1的ID',
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`user2_id` int(11) NOT NULL COMMENT '用户2的ID',
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`last_message` varchar(500) DEFAULT '' COMMENT '最后一条消息内容',
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`last_message_time` datetime DEFAULT NULL COMMENT '最后一条消息时间',
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`user1_unread_count` int(11) DEFAULT 0 COMMENT '用户1的未读数量',
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`user2_unread_count` int(11) DEFAULT 0 COMMENT '用户2的未读数量',
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`user1_deleted` tinyint(1) DEFAULT 0 COMMENT '用户1是否删除会话',
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`user2_deleted` tinyint(1) DEFAULT 0 COMMENT '用户2是否删除会话',
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`user1_muted` tinyint(1) DEFAULT 0 COMMENT '用户1是否静音',
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`user2_muted` tinyint(1) DEFAULT 0 COMMENT '用户2是否静音',
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`create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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`update_time` datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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PRIMARY KEY (`id`),
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KEY `idx_user1_id` (`user1_id`),
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KEY `idx_user2_id` (`user2_id`),
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KEY `idx_last_message_time` (`last_message_time`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='私聊会话表';
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-- 私信消息表
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CREATE TABLE IF NOT EXISTS `eb_private_message` (
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`id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '消息ID',
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`conversation_id` bigint(20) NOT NULL COMMENT '会话ID',
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`sender_id` int(11) NOT NULL COMMENT '发送者用户ID',
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`receiver_id` int(11) NOT NULL COMMENT '接收者用户ID',
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`content` text COMMENT '消息内容',
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`message_type` varchar(20) DEFAULT 'text' COMMENT '消息类型: text, image, file',
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`status` varchar(20) DEFAULT 'sent' COMMENT '消息状态: sending, sent, read',
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`sender_deleted` tinyint(1) DEFAULT 0 COMMENT '发送者是否删除',
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`receiver_deleted` tinyint(1) DEFAULT 0 COMMENT '接收者是否删除',
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`is_recalled` tinyint(1) DEFAULT 0 COMMENT '是否已撤回',
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`recall_time` datetime DEFAULT NULL COMMENT '撤回时间',
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`reply_to_message_id` bigint(20) DEFAULT NULL COMMENT '引用的消息ID（回复功能）',
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`reply_to_content` varchar(200) DEFAULT NULL COMMENT '引用的消息内容预览（冗余存储）',
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`reply_to_sender_id` int(11) DEFAULT NULL COMMENT '引用的消息发送者ID',
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`reply_to_sender_name` varchar(50) DEFAULT NULL COMMENT '引用的消息发送者昵称（冗余存储）',
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`reply_to_message_type` varchar(20) DEFAULT NULL COMMENT '引用的消息类型',
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`create_time` datetime DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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`read_time` datetime DEFAULT NULL COMMENT '已读时间',
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PRIMARY KEY (`id`),
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KEY `idx_conversation_id` (`conversation_id`),
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KEY `idx_sender_id` (`sender_id`),
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KEY `idx_receiver_id` (`receiver_id`),
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KEY `idx_create_time` (`create_time`),
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KEY `idx_is_recalled` (`is_recalled`),
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KEY `idx_reply_to_message_id` (`reply_to_message_id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='私信消息表';
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