26 lines
1.4 KiB
MySQL
26 lines
1.4 KiB
MySQL
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-- 创建知识库对话会话表
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CREATE TABLE IF NOT EXISTS chat_session (
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session_id BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '会话ID',
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project_id BIGINT NOT NULL COMMENT '项目ID',
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user_id BIGINT NOT NULL COMMENT '创建用户ID',
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model_config_id BIGINT NOT NULL COMMENT '使用的LLM模型配置ID',
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title VARCHAR(255) NOT NULL COMMENT '会话标题',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
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INDEX idx_project_user (project_id, user_id),
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INDEX idx_created_at (created_at)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='知识库对话会话表';
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-- 创建知识库对话消息表
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CREATE TABLE IF NOT EXISTS chat_message (
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message_id BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '消息ID',
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session_id BIGINT NOT NULL COMMENT '所属会话ID',
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role VARCHAR(20) NOT NULL COMMENT '角色(user/assistant)',
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content LONGTEXT NOT NULL COMMENT '消息内容',
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retrieved_docs JSON COMMENT '检索到的相关文档(JSON数组)',
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
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FOREIGN KEY (session_id) REFERENCES chat_session(session_id) ON DELETE CASCADE,
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INDEX idx_session_id (session_id),
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INDEX idx_created_at (created_at)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='知识库对话消息表';
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