From 288a0526adef1b753db0b3a8b0d4446159a7ff15 Mon Sep 17 00:00:00 2001
From: yml2213 <a2213290201@gmail.com>
Date: Mon, 26 Oct 2026 16:08:06 +0800
Subject: [PATCH] =?UTF-8?q?perf(cost-center):=20=E5=BB=BA=E7=B4=A2?=
 =?UTF-8?q?=E5=BC=95=E5=90=8E=E7=AB=8B=E5=8D=B3=E5=88=B7=E6=96=B0=E7=BB=9F?=
 =?UTF-8?q?=E8=AE=A1=E4=BF=A1=E6=81=AF?=
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---
 .../src/db/migrations/113_cost_center_query_indexes.sql     | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/apps/backend/src/db/migrations/113_cost_center_query_indexes.sql b/apps/backend/src/db/migrations/113_cost_center_query_indexes.sql
index ed5bf6d1..ac125931 100644
--- a/apps/backend/src/db/migrations/113_cost_center_query_indexes.sql
+++ b/apps/backend/src/db/migrations/113_cost_center_query_indexes.sql
@@ -17,3 +17,9 @@ COMMENT ON INDEX idx_order_items_unmapped_mode IS
   '成本中心总览：按履约方式统计未归一订单项，避免全表扫 order_items';
 COMMENT ON INDEX idx_fulfillment_tasks_affiliate_recent IS
   '自动发货任务 30 天聚合：只索引 affiliate_dash，减少商品列表聚合扫描';
+
+-- 新索引建好后立刻更新统计信息，避免参数化查询在旧统计下继续选全表扫描。
+ANALYZE order_items;
+ANALYZE product_catalog;
+ANALYZE cost_exceptions;
+ANALYZE fulfillment_tasks;