69 lines
2.1 KiB
JavaScript
69 lines
2.1 KiB
JavaScript
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/**
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* 解锁数据库表
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* 终止所有锁定的连接并重置事务
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*/
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require('dotenv').config();
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const mysql = require('mysql2/promise');
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async function unlockTables() {
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let connection;
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try {
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// 创建数据库连接
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connection = await mysql.createConnection({
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host: process.env.DB_HOST,
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port: process.env.DB_PORT || 3306,
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user: process.env.DB_USER,
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password: process.env.DB_PASSWORD,
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database: process.env.DB_DATABASE
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});
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console.log('✅ 已连接到数据库');
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// 1. 查看当前进程
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console.log('\n📋 查看当前锁定的进程...');
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const [processes] = await connection.query('SHOW FULL PROCESSLIST');
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console.log('当前活动进程数:', processes.length);
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processes.forEach(p => {
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console.log(` - ID: ${p.Id}, User: ${p.User}, State: ${p.State}, Info: ${p.Info}`);
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});
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// 2. 杀掉Sleep状态的连接（这些可能持有未提交的事务）
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console.log('\n🔪 终止Sleep状态的连接...');
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let killedCount = 0;
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for (const p of processes) {
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if (p.Command === 'Sleep' && p.Id !== connection.threadId) {
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try {
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await connection.query(`KILL ${p.Id}`);
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console.log(` ✅ 已终止进程 ${p.Id}`);
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killedCount++;
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} catch (err) {
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console.log(` ⚠️ 无法终止进程 ${p.Id}:`, err.message);
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}
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}
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}
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console.log(`\n终止了 ${killedCount} 个连接`);
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// 3. 解锁所有表
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console.log('\n🔓 解锁所有表...');
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await connection.query('UNLOCK TABLES');
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console.log('✅ 表已解锁');
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console.log('\n✅ 数据库解锁完成！');
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} catch (error) {
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console.error('❌ 解锁失败:', error.message);
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process.exit(1);
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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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// 执行
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unlockTables();
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