From 3002590491f3a7b45cd358883cd2b6226ea6d85f Mon Sep 17 00:00:00 2001
From: zhouyonggao <1971162852@qq.com>
Date: Thu, 18 Dec 2025 13:41:00 +0800
Subject: [PATCH] =?UTF-8?q?fix(schema):=20=E4=BF=AE=E6=AD=A3=20order=5Fcas?=
 =?UTF-8?q?h=20=E8=A1=A8=E8=BF=9E=E6=8E=A5=E6=9D=A1=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- 移除使用 MAX ID 子查询连接 order_cash 的方式
- 采用普通 JOIN 按 order_number 字段连接 order_cash 表
- 修复因表无 id 字段导致的连接错误问题
- 优化查询语句结构，提升可读性和维护性
---
 server/internal/schema/marketing.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/server/internal/schema/marketing.go b/server/internal/schema/marketing.go
index 6c5473d..60121a1 100644
--- a/server/internal/schema/marketing.go
+++ b/server/internal/schema/marketing.go
@@ -13,8 +13,8 @@ func (marketingSchema) BuildJoins(need map[string]bool, main string) []string {
 		out = append(out, " LEFT JOIN `order_detail` ON `order_detail`.order_number = `order`.order_number")
 	}
 	if need["order_cash"] {
-		// MAX ID 子查询去重
-		out = append(out, " LEFT JOIN `order_cash` ON `order_cash`.id = (SELECT MAX(oc2.id) FROM `order_cash` oc2 WHERE oc2.order_number = `order`.order_number)")
+		// order_cash无id字段，使用普通JOIN
+		out = append(out, " LEFT JOIN `order_cash` ON `order_cash`.order_number = `order`.order_number")
 	}
 	if need["order_voucher"] {
 		// MAX ID 子查询去重