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