73 lines
2.2 KiB
JavaScript
73 lines
2.2 KiB
JavaScript
const sqlite3 = require('sqlite3').verbose();
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const path = require('path');
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const dbPath = path.join(__dirname, 'company_finance.db');
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const db = new sqlite3.Database(dbPath);
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console.log('从备份表恢复商品数据...');
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// 检查products_backup表是否存在
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db.get("SELECT name FROM sqlite_master WHERE type='table' AND name='products_backup'", (err, row) => {
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if (err) {
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console.error('检查备份表失败:', err.message);
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db.close();
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return;
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}
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if (!row) {
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console.log('备份表不存在，无法恢复数据');
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db.close();
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return;
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}
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// 检查备份表中的数据量
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db.get('SELECT COUNT(*) as count FROM products_backup', (err, row) => {
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if (err) {
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console.error('检查备份数据失败:', err.message);
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db.close();
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return;
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}
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console.log(`备份表中有 ${row.count} 条商品数据`);
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if (row.count > 0) {
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console.log('开始从备份表恢复数据...');
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// 从备份表恢复数据到主表
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db.run(`
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INSERT INTO products (
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name, model, category_id, category_name,
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unit, cost_price, price, brand,
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specification, source, remark, stock_quantity,
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stock_warning, status, created_at, updated_at
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) SELECT
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name, model, category_id, category_name,
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unit, cost_price, price, brand,
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specification, source, remark, stock_quantity,
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stock_warning, status, created_at, updated_at
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FROM products_backup
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`, function(err) {
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if (err) {
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console.error('恢复数据失败:', err.message);
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db.close();
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return;
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}
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console.log(`成功恢复 ${this.changes} 条商品数据`);
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// 验证恢复结果
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db.get('SELECT COUNT(*) as count FROM products', (err, row) => {
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if (err) {
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console.error('验证失败:', err.message);
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} else {
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console.log(`恢复后商品表中有 ${row.count} 条数据`);
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}
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db.close();
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});
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});
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} else {
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console.log('备份表为空，无法恢复数据');
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db.close();
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}
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});
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}); |