59 lines
1.9 KiB
JavaScript
59 lines
1.9 KiB
JavaScript
const sqlite3 = require('sqlite3').verbose();
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const path = require('path');
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const dbPath = process.env.DB_PATH || path.join(__dirname, 'idc_management.db');
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const db = new sqlite3.Database(dbPath, (err) => {
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if (err) {
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console.error('无法连接到数据库:', err);
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process.exit(1);
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}
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console.log('已连接到数据库:', dbPath);
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});
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const columnsToAdd = [
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{ table: 'pending_devices', column: 'height', type: 'INTEGER', defaultValue: 1 },
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{ table: 'pending_devices', column: 'powerConsumption', type: 'FLOAT', defaultValue: 0 },
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{ table: 'pending_devices', column: 'brand', type: 'VARCHAR(255)', defaultValue: null },
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{ table: 'pending_devices', column: 'purchaseDate', type: 'DATE', defaultValue: null },
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{ table: 'pending_devices', column: 'warrantyExpiry', type: 'DATE', defaultValue: null },
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];
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db.serialize(() => {
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columnsToAdd.forEach(({ table, column, type, defaultValue }) => {
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db.all(`PRAGMA table_info(${table})`, (err, rows) => {
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if (err) {
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console.error(`获取表 ${table} 信息失败:`, err);
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return;
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}
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const columnExists = rows && rows.some(row => row.name === column);
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if (!columnExists) {
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const defaultClause = defaultValue !== null ? ` DEFAULT ${typeof defaultValue === 'string' ? `'${defaultValue}'` : defaultValue}` : '';
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const sql = `ALTER TABLE ${table} ADD COLUMN ${column} ${type}${defaultClause}`;
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db.run(sql, (err) => {
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if (err) {
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console.error(`添加列 ${table}.${column} 失败:`, err.message);
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} else {
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console.log(`成功添加列 ${table}.${column}`);
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}
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});
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} else {
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console.log(`列 ${table}.${column} 已存在，跳过`);
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}
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});
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});
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});
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setTimeout(() => {
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db.close((err) => {
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if (err) {
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console.error('关闭数据库失败:', err);
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} else {
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console.log('数据库迁移完成，连接已关闭');
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}
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});
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}, 2000);
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