优化验证报名信息对话框车牌号输入布局,使标签和输入框在同一行显示
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@@ -0,0 +1,84 @@
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/**
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* 迁移: 初始化数据库结构(确保所有表和字段存在)
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* 版本: 0000
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* 日期: 2025-01-09
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*/
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module.exports = {
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async up(manager) {
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console.log(' - 检查并创建所有必需的表和字段...');
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// Activities 表的额外字段
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const activityFields = [
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{ name: 'registrationEnabled', sql: 'ALTER TABLE Activities ADD COLUMN registrationEnabled INTEGER DEFAULT 1;' },
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{ name: 'coverImage', sql: 'ALTER TABLE Activities ADD COLUMN coverImage TEXT;' },
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{ name: 'price', sql: 'ALTER TABLE Activities ADD COLUMN price DECIMAL(10, 2) DEFAULT 0;' },
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{ name: 'budget', sql: 'ALTER TABLE Activities ADD COLUMN budget DECIMAL(10, 2) DEFAULT 0;' },
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{ name: 'locationLat', sql: 'ALTER TABLE Activities ADD COLUMN locationLat DECIMAL(10, 7);' },
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{ name: 'locationLng', sql: 'ALTER TABLE Activities ADD COLUMN locationLng DECIMAL(10, 7);' }
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];
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for (const field of activityFields) {
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await manager.executeSql(field.sql);
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}
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// Registrations 表的额外字段
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const registrationFields = [
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{ name: 'peopleCount', sql: 'ALTER TABLE Registrations ADD COLUMN peopleCount INTEGER DEFAULT 1;' },
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{ name: 'note', sql: 'ALTER TABLE Registrations ADD COLUMN note TEXT;' }
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];
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for (const field of registrationFields) {
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await manager.executeSql(field.sql);
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}
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// Expenses 表的额外字段
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const expenseFields = [
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{ name: 'category', sql: 'ALTER TABLE Expenses ADD COLUMN category TEXT;' },
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{ name: 'receipt', sql: 'ALTER TABLE Expenses ADD COLUMN receipt TEXT;' },
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{ name: 'note', sql: 'ALTER TABLE Expenses ADD COLUMN note TEXT;' },
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{ name: 'media', sql: 'ALTER TABLE Expenses ADD COLUMN media TEXT;' }
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];
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for (const field of expenseFields) {
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await manager.executeSql(field.sql);
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}
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// Photos 表的额外字段
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const photoFields = [
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{ name: 'description', sql: 'ALTER TABLE Photos ADD COLUMN description TEXT;' },
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{ name: 'uploadedBy', sql: 'ALTER TABLE Photos ADD COLUMN uploadedBy TEXT;' },
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{ name: 'status', sql: 'ALTER TABLE Photos ADD COLUMN status TEXT DEFAULT "approved";' }
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];
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for (const field of photoFields) {
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await manager.executeSql(field.sql);
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}
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// Sponsors 表的额外字段
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const sponsorFields = [
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{ name: 'logo', sql: 'ALTER TABLE Sponsors ADD COLUMN logo TEXT;' },
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{ name: 'type', sql: 'ALTER TABLE Sponsors ADD COLUMN type TEXT DEFAULT "sponsor";' },
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{ name: 'link', sql: 'ALTER TABLE Sponsors ADD COLUMN link TEXT;' }
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];
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for (const field of sponsorFields) {
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await manager.executeSql(field.sql);
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}
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// Admins 表的额外字段
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const adminFields = [
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{ name: 'name', sql: 'ALTER TABLE Admins ADD COLUMN name TEXT;' }
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];
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for (const field of adminFields) {
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await manager.executeSql(field.sql);
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}
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console.log(' - 初始化完成');
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},
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async down(manager) {
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console.log(' - 回滚不支持');
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}
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};
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@@ -0,0 +1,24 @@
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/**
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* 迁移: 添加弹幕功能字段
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* 版本: 0001
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* 日期: 2025-01-09
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*/
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module.exports = {
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async up(manager) {
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console.log(' - 添加 danmakuEnabled 字段...');
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await manager.executeSql(`
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ALTER TABLE Activities ADD COLUMN danmakuEnabled INTEGER DEFAULT 0;
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`);
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console.log(' - 添加 danmakuContent 字段...');
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await manager.executeSql(`
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ALTER TABLE Activities ADD COLUMN danmakuContent TEXT;
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`);
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},
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async down(manager) {
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// SQLite 不支持 DROP COLUMN,需要重建表
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console.log(' - 回滚不支持,请手动处理');
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}
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};
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@@ -0,0 +1,18 @@
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/**
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* 迁移: 添加赞助商排序字段
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* 版本: 0002
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* 日期: 2025-01-09
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*/
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module.exports = {
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async up(manager) {
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console.log(' - 添加 Sponsors.sortOrder 字段...');
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await manager.executeSql(`
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ALTER TABLE Sponsors ADD COLUMN sortOrder INTEGER DEFAULT 0;
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`);
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},
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async down(manager) {
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console.log(' - 回滚不支持');
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}
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};
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@@ -0,0 +1,23 @@
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/**
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* 迁移: 添加签到功能字段
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* 版本: 0003
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* 日期: 2025-01-09
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*/
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module.exports = {
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async up(manager) {
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console.log(' - 添加 Registrations.checkInStatus 字段...');
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await manager.executeSql(`
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ALTER TABLE Registrations ADD COLUMN checkInStatus INTEGER DEFAULT 0;
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`);
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console.log(' - 添加 Registrations.checkInTime 字段...');
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await manager.executeSql(`
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ALTER TABLE Registrations ADD COLUMN checkInTime DATETIME;
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`);
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},
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async down(manager) {
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console.log(' - 回滚不支持');
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}
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};
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@@ -0,0 +1,31 @@
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/**
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* 迁移: 添加奖品表
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* 版本: 0004
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* 日期: 2025-01-10
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*/
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module.exports = {
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async up(manager) {
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console.log(' - 创建 Prizes 表...');
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await manager.executeSql(`
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CREATE TABLE IF NOT EXISTS Prizes (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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activityId INTEGER NOT NULL,
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name TEXT NOT NULL,
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level TEXT NOT NULL CHECK(level IN ('一等奖', '二等奖', '三等奖', '参与奖', '伴手礼')),
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description TEXT,
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image TEXT,
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quantity INTEGER DEFAULT 1,
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sortOrder INTEGER DEFAULT 0,
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createdAt DATETIME DEFAULT CURRENT_TIMESTAMP,
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updatedAt DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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`);
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},
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async down(manager) {
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console.log(' - 删除 Prizes 表...');
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await manager.executeSql('DROP TABLE IF EXISTS Prizes;');
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}
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};
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@@ -0,0 +1,190 @@
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# 数据库迁移系统
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## 概述
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本项目使用版本化的数据库迁移系统,支持增量更新和自动同步。
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## 特性
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- ✅ 版本管理:每个迁移有唯一版本号
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- ✅ 增量执行:只执行未执行的迁移
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- ✅ 自动运行:服务器启动时自动执行迁移
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- ✅ 幂等性:重复执行不会出错
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- ✅ 迁移记录:记录所有已执行的迁移
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## 迁移文件命名规范
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```
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XXXX-description.js
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```
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- `XXXX`: 4位数字版本号(如 0001, 0002)
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- `description`: 迁移描述(使用短横线分隔)
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示例:
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- `0001-add-danmaku-fields.js`
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- `0002-add-user-avatar.js`
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## 创建新迁移
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### 1. 创建迁移文件
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在 `backend/migrations/` 目录下创建新文件:
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```javascript
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/**
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* 迁移: 添加用户头像字段
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* 版本: 0002
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* 日期: 2025-01-09
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*/
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module.exports = {
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async up(manager) {
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console.log(' - 添加 avatar 字段...');
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await manager.executeSql(`
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ALTER TABLE Users ADD COLUMN avatar TEXT;
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`);
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},
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async down(manager) {
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// 回滚逻辑(可选)
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console.log(' - 回滚不支持');
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}
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};
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```
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### 2. 迁移方法
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#### `up(manager)` - 升级
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执行数据库变更的方法。
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可用的 manager 方法:
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- `executeSql(sql)`: 执行SQL语句
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- `db`: 直接访问数据库连接
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#### `down(manager)` - 回滚(可选)
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回滚数据库变更的方法。
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注意:SQLite 不支持 DROP COLUMN,回滚可能需要重建表。
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## 执行迁移
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### 自动执行(推荐)
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服务器启动时会自动执行所有未执行的迁移:
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```bash
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# 开发环境
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cd backend
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npm start
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# 生产环境(Docker)
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docker-compose up -d
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# 或
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docker-compose restart
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```
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### 手动执行
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#### 在容器内执行:
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```bash
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# Windows
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migrate.bat
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# Linux/Mac
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chmod +x migrate.sh
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./migrate.sh
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```
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#### 直接在容器中执行:
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```bash
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docker exec quanyoumi-app node /app/backend/migrations/index.js
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```
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## 迁移状态
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迁移执行记录保存在 `migrations` 表中:
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```sql
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SELECT * FROM migrations;
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```
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输出示例:
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```
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id | version | name | executed_at
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---+---------+-----------------------+---------------------
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1 | 1 | add-danmaku-fields | 2025-01-09 10:30:00
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2 | 2 | add-user-avatar | 2025-01-09 11:00:00
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```
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## 常见问题
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### Q: 迁移失败怎么办?
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A: 检查错误日志,修复问题后重新启动服务器。已执行的迁移不会重复执行。
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### Q: 如何回滚迁移?
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A: 目前不支持自动回滚。如需回滚,请手动修改数据库或创建新的迁移来撤销更改。
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### Q: 可以修改已执行的迁移吗?
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A: 不建议。已执行的迁移不应修改。如需更改,请创建新的迁移。
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### Q: 迁移在什么时候执行?
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A: 服务器启动时自动执行。也可以手动运行 `migrate.bat` 或 `migrate.sh`。
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## 最佳实践
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1. **版本号递增**:新迁移的版本号应大于所有现有迁移
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2. **描述清晰**:文件名和注释应清楚说明迁移目的
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3. **测试迁移**:在开发环境测试后再部署到生产环境
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4. **幂等性**:迁移应该可以安全地重复执行
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5. **小步迭代**:每个迁移只做一件事,便于追踪和回滚
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## 示例
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### 添加新字段
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```javascript
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module.exports = {
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async up(manager) {
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await manager.executeSql(`
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ALTER TABLE Activities ADD COLUMN featured INTEGER DEFAULT 0;
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`);
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}
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};
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```
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### 创建新表
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```javascript
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module.exports = {
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async up(manager) {
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await manager.executeSql(`
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CREATE TABLE IF NOT EXISTS Comments (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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activityId INTEGER NOT NULL,
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userId INTEGER NOT NULL,
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content TEXT NOT NULL,
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createdAt DATETIME DEFAULT CURRENT_TIMESTAMP
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);
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`);
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}
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};
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```
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### 修改数据
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```javascript
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module.exports = {
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async up(manager) {
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await manager.executeSql(`
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UPDATE Activities SET status = 'completed' WHERE endTime < datetime('now');
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`);
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}
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};
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```
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@@ -0,0 +1,141 @@
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const sqlite3 = require('sqlite3').verbose();
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const path = require('path');
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const fs = require('fs');
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const dbPath = path.join(__dirname, '..', 'data', 'database.sqlite');
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const migrationsDir = __dirname;
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class MigrationManager {
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constructor() {
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this.db = new sqlite3.Database(dbPath);
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}
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// 初始化迁移表
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async initMigrationTable() {
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return new Promise((resolve, reject) => {
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this.db.run(`
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CREATE TABLE IF NOT EXISTS migrations (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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version INTEGER NOT NULL UNIQUE,
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name TEXT NOT NULL,
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executed_at DATETIME DEFAULT CURRENT_TIMESTAMP
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)
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`, (err) => {
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if (err) reject(err);
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else resolve();
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});
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});
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}
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// 获取已执行的迁移版本
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async getExecutedMigrations() {
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return new Promise((resolve, reject) => {
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this.db.all('SELECT version FROM migrations ORDER BY version', (err, rows) => {
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if (err) reject(err);
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else resolve(rows.map(r => r.version));
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});
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});
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}
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// 记录迁移执行
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async recordMigration(version, name) {
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return new Promise((resolve, reject) => {
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this.db.run(
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'INSERT INTO migrations (version, name) VALUES (?, ?)',
|
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[version, name],
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(err) => {
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if (err) reject(err);
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else resolve();
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}
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);
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});
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}
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// 执行SQL语句
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async executeSql(sql) {
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return new Promise((resolve, reject) => {
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this.db.run(sql, (err) => {
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if (err) {
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||||
// 忽略字段已存在的错误
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if (err.message.includes('duplicate column name')) {
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resolve();
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} else {
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reject(err);
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}
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} else {
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resolve();
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||||
}
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});
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||||
});
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}
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// 加载所有迁移文件
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loadMigrations() {
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const files = fs.readdirSync(migrationsDir)
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.filter(f => f.match(/^\d{4}-.*\.js$/) && f !== 'index.js')
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.sort();
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||||
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return files.map(file => {
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const version = parseInt(file.split('-')[0]);
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const name = file.replace(/^\d{4}-/, '').replace('.js', '');
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const migration = require(path.join(migrationsDir, file));
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return { version, name, file, migration };
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});
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}
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// 执行迁移
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async runMigrations() {
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try {
|
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console.log('🔄 开始数据库迁移...\n');
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|
||||
// 初始化迁移表
|
||||
await this.initMigrationTable();
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||||
|
||||
// 获取已执行的迁移
|
||||
const executed = await this.getExecutedMigrations();
|
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console.log(`📊 已执行迁移: ${executed.length} 个`);
|
||||
|
||||
// 加载所有迁移文件
|
||||
const migrations = this.loadMigrations();
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||||
console.log(`📁 发现迁移文件: ${migrations.length} 个\n`);
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||||
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||||
// 执行未执行的迁移
|
||||
let count = 0;
|
||||
for (const { version, name, file, migration } of migrations) {
|
||||
if (!executed.includes(version)) {
|
||||
console.log(`⏳ 执行迁移 [${version}] ${name}...`);
|
||||
|
||||
try {
|
||||
await migration.up(this);
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||||
await this.recordMigration(version, name);
|
||||
console.log(`✅ 迁移 [${version}] ${name} 完成\n`);
|
||||
count++;
|
||||
} catch (error) {
|
||||
console.error(`❌ 迁移 [${version}] ${name} 失败:`, error.message);
|
||||
throw error;
|
||||
}
|
||||
} else {
|
||||
console.log(`⏭️ 跳过已执行的迁移 [${version}] ${name}`);
|
||||
}
|
||||
}
|
||||
|
||||
console.log(`\n✨ 迁移完成!共执行 ${count} 个新迁移`);
|
||||
|
||||
} catch (error) {
|
||||
console.error('\n❌ 迁移失败:', error);
|
||||
throw error;
|
||||
} finally {
|
||||
this.db.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// 如果直接运行此文件
|
||||
if (require.main === module) {
|
||||
const manager = new MigrationManager();
|
||||
manager.runMigrations()
|
||||
.then(() => process.exit(0))
|
||||
.catch(() => process.exit(1));
|
||||
}
|
||||
|
||||
module.exports = MigrationManager;
|
||||
Reference in New Issue
Block a user