215 lines
7.1 KiB
JavaScript
215 lines
7.1 KiB
JavaScript
/**
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* 用户地址数据迁移脚本 - Node.js
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* Feature: database-migration, Property 2: 数据记录数一致性
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* Validates: Requirements 1.5
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*
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* 源表: MySQL user_address (51 条记录)
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* 目标表: SQL Server user_addresses
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*/
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const mysql = require('mysql2/promise');
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const sql = require('mssql');
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// MySQL 配置
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const mysqlConfig = {
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host: '192.168.195.16',
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port: 1887,
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user: 'root',
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password: 'Dbt@com@123',
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database: 'youdas',
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charset: 'utf8mb4'
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};
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// SQL Server 配置
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const sqlServerConfig = {
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server: '192.168.195.15',
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port: 1433,
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user: 'sa',
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password: 'Dbt@com@123',
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database: 'honey_box',
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options: {
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encrypt: false,
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trustServerCertificate: true
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}
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};
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// 转义SQL字符串
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function escapeString(str) {
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if (str === null || str === undefined || str === '') return "N''";
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return "N'" + String(str).replace(/'/g, "''") + "'";
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}
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// 格式化日期时间 (MySQL datetime -> SQL Server datetime2)
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function formatDatetime(dt) {
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if (!dt) return 'NULL';
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// MySQL datetime 对象转换为 SQL Server 格式
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if (dt instanceof Date) {
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return "'" + dt.toISOString().slice(0, 23).replace('T', ' ') + "'";
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}
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// 字符串格式直接使用
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return "'" + String(dt).slice(0, 23) + "'";
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}
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// 获取已迁移的地址ID列表
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async function getMigratedIds(pool) {
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const result = await pool.request().query('SELECT id FROM user_addresses');
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return new Set(result.recordset.map(r => r.id));
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}
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// 批量插入用户地址数据
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async function insertAddressesBatch(pool, addresses) {
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if (addresses.length === 0) return 0;
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let insertedCount = 0;
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// 构建批量插入SQL
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let sqlBatch = 'SET IDENTITY_INSERT user_addresses ON;\n';
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for (const addr of addresses) {
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const createdAt = formatDatetime(addr.create_time);
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const updatedAt = formatDatetime(addr.update_time);
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sqlBatch += `
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INSERT INTO user_addresses (
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id, user_id, receiver_name, receiver_phone, detailed_address,
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is_default, is_deleted, created_at, updated_at
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) VALUES (
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${addr.id},
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${addr.user_id || 0},
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${escapeString(addr.receiver_name)},
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${escapeString(addr.receiver_phone)},
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${escapeString(addr.detailed_address)},
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${addr.is_default || 0},
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${addr.is_deleted || 0},
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${createdAt},
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${updatedAt}
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);
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`;
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}
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sqlBatch += 'SET IDENTITY_INSERT user_addresses OFF;';
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try {
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await pool.request().batch(sqlBatch);
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insertedCount = addresses.length;
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} catch (err) {
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console.error('批量插入失败:', err.message);
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// 如果批量失败，尝试逐条插入
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for (const addr of addresses) {
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try {
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const createdAt = formatDatetime(addr.create_time);
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const updatedAt = formatDatetime(addr.update_time);
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const singleSql = `
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SET IDENTITY_INSERT user_addresses ON;
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INSERT INTO user_addresses (
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id, user_id, receiver_name, receiver_phone, detailed_address,
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is_default, is_deleted, created_at, updated_at
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) VALUES (
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${addr.id},
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${addr.user_id || 0},
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${escapeString(addr.receiver_name)},
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${escapeString(addr.receiver_phone)},
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${escapeString(addr.detailed_address)},
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${addr.is_default || 0},
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${addr.is_deleted || 0},
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${createdAt},
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${updatedAt}
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);
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SET IDENTITY_INSERT user_addresses OFF;`;
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await pool.request().batch(singleSql);
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insertedCount++;
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} catch (singleErr) {
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console.error(`插入地址 ${addr.id} 失败:`, singleErr.message);
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}
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}
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}
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return insertedCount;
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}
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async function main() {
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console.log('========================================');
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console.log('用户地址数据迁移脚本 - Node.js');
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console.log('========================================\n');
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let mysqlConn = null;
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let sqlPool = null;
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try {
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// 连接 MySQL
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console.log('正在连接 MySQL...');
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mysqlConn = await mysql.createConnection(mysqlConfig);
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console.log('MySQL 连接成功\n');
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// 连接 SQL Server
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console.log('正在连接 SQL Server...');
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sqlPool = await sql.connect(sqlServerConfig);
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console.log('SQL Server 连接成功\n');
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// 获取已迁移的ID
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console.log('正在获取已迁移的地址ID...');
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const migratedIds = await getMigratedIds(sqlPool);
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console.log(`已迁移地址数: ${migratedIds.size}\n`);
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// 从 MySQL 获取所有用户地址数据
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console.log('正在从 MySQL 读取用户地址数据...');
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const [rows] = await mysqlConn.execute(`
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SELECT id, user_id, receiver_name, receiver_phone, detailed_address,
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is_default, is_deleted, create_time, update_time
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FROM user_address
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ORDER BY id
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`);
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console.log(`MySQL 用户地址总数: ${rows.length}\n`);
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// 过滤出未迁移的地址
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const addressesToMigrate = rows.filter(addr => !migratedIds.has(addr.id));
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console.log(`待迁移地址数: ${addressesToMigrate.length}\n`);
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if (addressesToMigrate.length === 0) {
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console.log('所有用户地址数据已迁移完成！');
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} else {
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// 批量迁移（每批50条，避免SQL太长）
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const batchSize = 50;
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let totalInserted = 0;
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for (let i = 0; i < addressesToMigrate.length; i += batchSize) {
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const batch = addressesToMigrate.slice(i, i + batchSize);
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const inserted = await insertAddressesBatch(sqlPool, batch);
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totalInserted += inserted;
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console.log(`进度: ${Math.min(i + batchSize, addressesToMigrate.length)}/${addressesToMigrate.length} (本批插入: ${inserted})`);
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}
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console.log(`\n迁移完成！共插入 ${totalInserted} 条记录`);
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}
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// 验证迁移结果
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console.log('\n========================================');
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console.log('迁移结果验证');
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console.log('========================================');
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const [mysqlCount] = await mysqlConn.execute('SELECT COUNT(*) as count FROM user_address');
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const sqlResult = await sqlPool.request().query('SELECT COUNT(*) as count FROM user_addresses');
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console.log(`MySQL user_address 表记录数: ${mysqlCount[0].count}`);
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console.log(`SQL Server user_addresses 表记录数: ${sqlResult.recordset[0].count}`);
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if (mysqlCount[0].count === sqlResult.recordset[0].count) {
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console.log('\n✅ 数据迁移完成，记录数一致！');
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} else {
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console.log(`\n⚠️ 记录数不一致，差异: ${mysqlCount[0].count - sqlResult.recordset[0].count}`);
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}
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} catch (err) {
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console.error('迁移过程中发生错误:', err);
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process.exit(1);
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} finally {
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// 关闭连接
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if (mysqlConn) await mysqlConn.end();
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if (sqlPool) await sqlPool.close();
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}
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}
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main();
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