feat: 优化设备位置冲突检测和前端虚拟滚动

为设备表添加复合索引优化位置冲突检测性能在设备位置检查中添加悲观锁防止竞态条件添加 react-window 和 react-virtualized-auto-sizer 支持虚拟滚动
2026-03-29 10:40:33 +08:00
parent 1d815b812e
commit 5d972799f2
6 changed files with 80 additions and 0 deletions
@@ -95,6 +95,11 @@ const migrations = [
    description: '为 deviceFields 表添加 isSystem 字段，标记系统字段不可删除',
    migrate: migrateDeviceFieldsIsSystem,
  },
+  {
+    name: '设备位置索引优化',
+    description: '为 devices 表添加复合索引，优化位置冲突检测和悲观锁性能',
+    migrate: migrateDevicePositionIndexes,
+  },
 ];

 async function runMigrations() {
@@ -724,6 +729,48 @@ async function migrateIdleDeviceAndBusiness() {
  }
 }

+async function migrateDevicePositionIndexes() {
+  const dialect = sequelize.getDialect();
+  const tableName = 'devices';
+
+  if (!(await tableExists(tableName))) {
+    console.log(`    ${tableName} 表不存在，跳过`);
+    return;
+  }
+
+  console.log(`   → 为 ${tableName} 表添加复合索引 rackId_position...`);
+  try {
+    if (dialect === 'sqlite') {
+      await sequelize.query(`CREATE INDEX IF NOT EXISTS devices_rackId_position ON ${tableName}(rackId, position)`);
+    } else {
+      await sequelize.query(`CREATE INDEX IF NOT EXISTS \`devices_rackId_position\` ON \`${tableName}\`(\`rackId\`, \`position\`)`);
+    }
+    console.log('     ✓ 索引创建成功');
+  } catch (error) {
+    if (error.message.includes('already exists') || error.message.includes('Duplicate key name')) {
+      console.log('     → 索引已存在，跳过');
+    } else {
+      throw error;
+    }
+  }
+
+  console.log(`   → 为 ${tableName} 表添加复合索引 rackId_position_isIdle...`);
+  try {
+    if (dialect === 'sqlite') {
+      await sequelize.query(`CREATE INDEX IF NOT EXISTS devices_rackId_position_isIdle ON ${tableName}(rackId, position, isIdle)`);
+    } else {
+      await sequelize.query(`CREATE INDEX IF NOT EXISTS \`devices_rackId_position_isIdle\` ON \`${tableName}\`(\`rackId\`, \`position\`, \`isIdle\`)`);
+    }
+    console.log('     ✓ 索引创建成功');
+  } catch (error) {
+    if (error.message.includes('already exists') || error.message.includes('Duplicate key name')) {
+      console.log('     → 索引已存在，跳过');
+    } else {
+      throw error;
+    }
+  }
+}
+
 // 执行迁移
 runMigrations().catch(error => {
  console.error('迁移执行失败:', error);