24 lines
1.3 KiB
SQL
24 lines
1.3 KiB
SQL
-- 多轮对话：请先执行本脚本创建表后再使用 chat_send / chat_session_* 接口
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CREATE TABLE IF NOT EXISTS `chat_session` (
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`id` varchar(64) NOT NULL COMMENT '会话ID',
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`userid` varchar(64) NOT NULL COMMENT '用户ID',
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`model` varchar(128) NOT NULL COMMENT '模型名称',
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`title` varchar(255) DEFAULT NULL COMMENT '会话标题（首条问题摘要）',
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`created_at` datetime DEFAULT current_timestamp() COMMENT '创建时间',
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`updated_at` 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_userid_updated` (`userid`, `updated_at`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='模型对话会话';
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CREATE TABLE IF NOT EXISTS `chat_message` (
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`id` varchar(64) NOT NULL COMMENT '消息ID',
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`session_id` varchar(64) NOT NULL COMMENT '会话ID',
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`role` varchar(32) NOT NULL COMMENT '角色: user / assistant / system',
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`content` mediumtext COMMENT '消息内容（纯文本或JSON）',
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`content_type` varchar(32) DEFAULT 'text' COMMENT 'text / mixed',
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`created_at` datetime DEFAULT current_timestamp() COMMENT '创建时间',
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PRIMARY KEY (`id`),
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KEY `idx_session_id` (`session_id`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci COMMENT='模型对话消息';
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