89 lines
3.1 KiB
JavaScript
89 lines
3.1 KiB
JavaScript
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/**
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* 修复锁定的事务
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* 强制终止等待提交的进程
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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 fixLockedTransaction() {
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let connection;
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try {
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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. 查找所有waiting for handler commit的进程
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console.log('\n📋 查找锁定的进程...');
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const [processes] = await connection.query(
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"SELECT Id, State, Info FROM INFORMATION_SCHEMA.PROCESSLIST WHERE State LIKE '%waiting for handler commit%'"
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);
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console.log(`找到 ${processes.length} 个锁定的进程`);
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// 2. 终止所有锁定的进程
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let killedCount = 0;
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for (const p of processes) {
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try {
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console.log(` 正在终止进程 ${p.Id}: ${p.Info?.substring(0, 100)}...`);
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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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console.log(`\n✅ 成功终止 ${killedCount} 个锁定的进程`);
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// 3. 清理可能重复的确认记录
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console.log('\n🧹 清理可能的重复记录...');
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const [duplicates] = await connection.query(`
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SELECT user_id, training_unit_id, COUNT(*) as count
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FROM training_confirmations
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GROUP BY user_id, training_unit_id
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HAVING count > 1
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`);
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if (duplicates.length > 0) {
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console.log(`发现 ${duplicates.length} 组重复记录，正在清理...`);
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for (const dup of duplicates) {
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// 保留最早的记录，删除其他
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await connection.query(`
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DELETE FROM training_confirmations
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WHERE user_id = ? AND training_unit_id = ?
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AND id NOT IN (
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SELECT id FROM (
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SELECT MIN(id) as id FROM training_confirmations
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WHERE user_id = ? AND training_unit_id = ?
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) as temp
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)
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`, [dup.user_id, dup.training_unit_id, dup.user_id, dup.training_unit_id]);
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console.log(` ✅ 清理了 user_id=${dup.user_id}, training_unit_id=${dup.training_unit_id} 的重复记录`);
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}
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} else {
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console.log('没有发现重复记录');
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}
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console.log('\n✅ 所有操作完成！');
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console.log('\n💡 现在可以重新测试预招录确认功能了');
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} catch (error) {
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console.error('❌ 操作失败:', 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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fixLockedTransaction();
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