76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
/**
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* 数据库连接测试脚本
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* @file test-connection.js
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* @description 测试数据库连接、连接池状态和查询性能
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*/
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const { sequelize } = require('../models');
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const { User } = require('../models');
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const dbPool = require('../config/database-pool');
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const queryOptimizer = require('../config/query-optimizer');
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const dbMonitor = require('../config/db-monitor');
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async function testConnection() {
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try {
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console.log('开始测试数据库连接...');
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// 测试数据库连接
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await sequelize.authenticate();
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console.log('数据库连接成功');
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// 获取连接池状态
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const poolStatus = await dbPool.getPoolStatus();
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console.log('连接池状态:', JSON.stringify(poolStatus, null, 2));
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// 获取数据库状态
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const dbStatus = await queryOptimizer.getDatabaseStatus();
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console.log('数据库状态:', JSON.stringify(dbStatus, null, 2));
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// 查询用户数量
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console.time('用户查询');
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const userCount = await User.count();
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console.timeEnd('用户查询');
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console.log(`当前用户数量: ${userCount}`);
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// 执行查询分析
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const userQuery = User.findAll();
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const explainResult = await queryOptimizer.explainQuery(userQuery);
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console.log('查询分析结果:', JSON.stringify(explainResult, null, 2));
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// 获取表信息
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const tableInfo = await queryOptimizer.getTableInfo('users');
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console.log('用户表信息:', JSON.stringify(tableInfo, null, 2));
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// 获取索引信息
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const indexInfo = await queryOptimizer.getIndexInfo('users');
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console.log('用户表索引:', JSON.stringify(indexInfo, null, 2));
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// 监控连接状态
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const connectionStatus = await dbMonitor.checkConnectionStatus();
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console.log('连接监控状态:', JSON.stringify(connectionStatus, null, 2));
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// 关闭数据库连接
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await sequelize.close();
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console.log('数据库连接已关闭');
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process.exit(0);
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} catch (error) {
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console.error('数据库连接测试失败:', error);
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// 尝试关闭数据库连接
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try {
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await sequelize.close();
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console.log('数据库连接已关闭');
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} catch (closeError) {
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console.error('关闭数据库连接失败:', closeError);
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}
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process.exit(1);
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}
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}
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// 如果直接运行此脚本，则执行测试
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if (require.main === module) {
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testConnection();
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}
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module.exports = testConnection; |