Files
AIclinicalresearch/backend/prisma/migrations/create_tool_c_session.sql
HaHafeng 2348234013 feat(dc/tool-c): Day 2 - Session管理与数据处理完成
核心功能:
- 数据库: 创建dc_tool_c_sessions表 (12字段, 3索引)
- 服务层: SessionService (383行), DataProcessService (303行)
- 控制器: SessionController (300行, 6个API端点)
- 路由: 新增6个Session管理路由
- 测试: 7个API测试全部通过 (100%)

技术亮点:
- 零落盘架构: Excel内存解析, OSS存储
- Session管理: 10分钟过期, 心跳延长机制
- 云原生规范: storage/logger/prisma全平台复用
- 完整测试: 上传/预览/完整数据/删除/心跳

文件清单:
- backend/prisma/schema.prisma (新增DcToolCSession模型)
- backend/prisma/migrations/create_tool_c_session.sql
- backend/scripts/create-tool-c-table.mjs
- backend/src/modules/dc/tool-c/services/ (SessionService, DataProcessService)
- backend/src/modules/dc/tool-c/controllers/SessionController.ts
- backend/src/modules/dc/tool-c/routes/index.ts
- backend/test-tool-c-day2.mjs
- docs/03-业务模块/DC-数据清洗整理/00-工具C当前状态与开发指南.md
- docs/03-业务模块/DC-数据清洗整理/06-开发记录/2025-12-06_工具C_Day2开发完成总结.md

代码统计: ~1900行
测试结果: 7/7 通过 (100%)
云原生规范: 完全符合
2025-12-06 22:12:47 +08:00

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-- 创建 Tool C Session 表
-- 日期: 2025-12-06
-- 用途: 科研数据编辑器会话管理
CREATE TABLE IF NOT EXISTS dc_schema.dc_tool_c_sessions (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
user_id VARCHAR(255) NOT NULL,
file_name VARCHAR(500) NOT NULL,
file_key VARCHAR(500) NOT NULL,
-- 数据元信息
total_rows INTEGER NOT NULL,
total_cols INTEGER NOT NULL,
columns JSONB NOT NULL,
encoding VARCHAR(50),
file_size INTEGER NOT NULL,
-- 时间戳
created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
expires_at TIMESTAMP NOT NULL
);
-- 创建索引
CREATE INDEX IF NOT EXISTS idx_dc_tool_c_sessions_user_id ON dc_schema.dc_tool_c_sessions(user_id);
CREATE INDEX IF NOT EXISTS idx_dc_tool_c_sessions_expires_at ON dc_schema.dc_tool_c_sessions(expires_at);
-- 添加注释
COMMENT ON TABLE dc_schema.dc_tool_c_sessions IS 'Tool C (科研数据编辑器) Session会话表';
COMMENT ON COLUMN dc_schema.dc_tool_c_sessions.file_key IS 'OSS存储路径: dc/tool-c/sessions/{timestamp}-{fileName}';
COMMENT ON COLUMN dc_schema.dc_tool_c_sessions.columns IS '列名数组 ["age", "gender", "diagnosis"]';
COMMENT ON COLUMN dc_schema.dc_tool_c_sessions.expires_at IS '过期时间创建后10分钟';