上传源代码版本

add_indexes.sql

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+-- =====================================================
+-- 索引优化SQL脚本
+-- 执行前请先备份数据库
+-- 执行时间：建议在系统低峰期执行
+-- =====================================================
+
+SET NAMES utf8mb4;
+
+-- =====================================================
+-- label_replace_requests 表索引优化
+-- =====================================================
+
+-- 添加 CustomerId 索引
+ALTER TABLE `label_replace_requests` 
+ADD INDEX `idx_customer_id` (`CustomerId` ASC);
+
+-- 添加 FinalMileTrackingNumber 索引
+ALTER TABLE `label_replace_requests` 
+ADD INDEX `idx_final_mile_tracking_number` (`FinalMileTrackingNumber` ASC);
+
+-- 添加组合索引 (CustomerId, CreatedAt)
+ALTER TABLE `label_replace_requests` 
+ADD INDEX `idx_customer_id_created_at` (`CustomerId` ASC, `CreatedAt` DESC);
+
+-- =====================================================
+-- label_scan_history 表索引优化
+-- =====================================================
+
+-- 添加组合索引 (CustomerId, NeutralWaybillNumber)
+ALTER TABLE `label_scan_history` 
+ADD INDEX `idx_customer_id_neutral_waybill_number` (`CustomerId` ASC, `NeutralWaybillNumber` ASC);
+
+-- =====================================================
+-- 验证索引是否添加成功
+-- =====================================================
+
+-- 查看 label_replace_requests 表的索引
+SHOW INDEX FROM `label_replace_requests`;
+
+-- 查看 label_scan_history 表的索引
+SHOW INDEX FROM `label_scan_history`;