82 lines
2.6 KiB
Markdown
82 lines
2.6 KiB
Markdown
# cooperation
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协作工具
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```bash
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# 安装依赖(使用镜像站)
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npm i --registry=https://registry.npmmirror.com
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```
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1. 日志格式数据, 时间戳,hash,作者,类型CURD,语句DATA
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2. MD视图数据
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1. 表示颜色
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2. 表示用户
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3. 表示转向
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- [ ] 推转(将任务推到下一个工序)
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- [ ] 推转等待(下一个工序处理后仍要回执的, 等待过长会造成效率低下)
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- [ ] 创建项目
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- [ ] 发布任务
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```sql
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-- 用户表
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CREATE TABLE users (
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id INTEGER PRIMARY KEY,
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name TEXT NOT NULL,
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avatar TEXT, -- 存储头像的 URL 或路径
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- 自动设置创建时间
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- 自动设置更新时间
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CHECK (created_at <= updated_at) -- 确保更新时间不早于创建时间
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);
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-- 项目表
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CREATE TABLE projects (
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id INTEGER PRIMARY KEY,
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user_id INTEGER NOT NULL,
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name TEXT NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- 自动设置创建时间
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- 自动设置更新时间
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FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE,
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CHECK (created_at <= updated_at) -- 确保更新时间不早于创建时间
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);
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-- 任务表
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CREATE TABLE tasks (
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id INTEGER PRIMARY KEY,
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project_id INTEGER NOT NULL,
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name TEXT NOT NULL,
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status TEXT NOT NULL DEFAULT '未开始', -- 任务状态默认未开始
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- 自动设置创建时间
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- 自动设置更新时间
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FOREIGN KEY (project_id) REFERENCES projects (id) ON DELETE CASCADE,
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CHECK (created_at <= updated_at), -- 确保更新时间不早于创建时间
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CHECK (status IN ('未开始', '进行中', '已完成')) -- 限制任务状态为预定义值
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);
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-- 问题发现 > 分析原因 > 处理方案 > 处理结果
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-- 功能新增 > 分析需求 > 规划方案 > 实施结果
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-- 触发器(自动设置更新时间)
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CREATE TRIGGER update_users AFTER UPDATE ON users FOR EACH ROW BEGIN
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UPDATE users SET updated_at = CURRENT_TIMESTAMP WHERE id = OLD.id;
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END;
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CREATE TRIGGER update_projects AFTER UPDATE ON projects FOR EACH ROW BEGIN
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UPDATE projects SET updated_at = CURRENT_TIMESTAMP WHERE id = OLD.id;
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END;
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CREATE TRIGGER update_tasks AFTER UPDATE ON tasks FOR EACH ROW BEGIN
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UPDATE tasks SET updated_at = CURRENT_TIMESTAMP WHERE id = OLD.id;
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END;
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```
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默认情况下,SQLite 的外键约束是关闭的,需要在每次连接数据库时显式启用外键支持。否则,外键约束将不会生效。
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```sql
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PRAGMA foreign_keys = ON;
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```
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