64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
const mysql = require('mysql2/promise');
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const dbConfig = {
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host: process.env.DB_HOST || 'mysql.theaken.com',
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port: parseInt(process.env.DB_PORT || '33306'),
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user: process.env.DB_USER || 'AI_Platform',
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password: process.env.DB_PASSWORD || 'Aa123456',
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database: process.env.DB_NAME || 'db_AI_Platform',
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charset: 'utf8mb4',
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timezone: '+08:00'
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};
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async function testDBQuery() {
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let connection;
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try {
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console.log('🧪 測試資料庫查詢...');
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connection = await mysql.createConnection(dbConfig);
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console.log('✅ 資料庫連接成功');
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// 測試 1: 簡單查詢
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console.log('\n1. 測試簡單查詢...');
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const [apps1] = await connection.execute('SELECT * FROM apps LIMIT 5');
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console.log('結果:', apps1.length, '個應用程式');
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// 測試 2: 使用 LIMIT 查詢
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console.log('\n2. 測試 LIMIT 查詢...');
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const [apps2] = await connection.execute('SELECT * FROM apps LIMIT 5');
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console.log('結果:', apps2.length, '個應用程式');
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// 測試 3: 使用 OFFSET
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console.log('\n3. 測試 OFFSET 查詢...');
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const [apps3] = await connection.execute('SELECT * FROM apps LIMIT 5 OFFSET 0');
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console.log('結果:', apps3.length, '個應用程式');
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// 測試 4: 計數查詢
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console.log('\n4. 測試計數查詢...');
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const [countResult] = await connection.execute('SELECT COUNT(*) as total FROM apps');
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console.log('總數:', countResult[0].total);
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// 測試 5: JOIN 查詢
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console.log('\n5. 測試 JOIN 查詢...');
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const [apps4] = await connection.execute(`
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SELECT
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a.*,
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u.name as creator_name,
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u.email as creator_email
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FROM apps a
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LEFT JOIN users u ON a.creator_id = u.id
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LIMIT 5
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`);
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console.log('結果:', apps4.length, '個應用程式');
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} catch (error) {
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console.error('❌ 測試失敗:', error);
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} finally {
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if (connection) {
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await connection.end();
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}
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}
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}
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testDBQuery();
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