From a45c4fb6232faf2f23b7b2ba45416f11a5390d77 Mon Sep 17 00:00:00 2001
From: buhuazhen <hua100783@gmail.com>
Date: 星期六, 21 三月 2026 16:50:15 +0800
Subject: [PATCH] feat(purchase): 完善采购退货模块及关联退货数量统计

---
 src/main/resources/mapper/production/ProductWorkOrderMapper.xml |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/src/main/resources/mapper/production/ProductWorkOrderMapper.xml b/src/main/resources/mapper/production/ProductWorkOrderMapper.xml
index fef6bef..14b883e 100644
--- a/src/main/resources/mapper/production/ProductWorkOrderMapper.xml
+++ b/src/main/resources/mapper/production/ProductWorkOrderMapper.xml
@@ -87,4 +87,12 @@
             actual_start_time &gt;= #{startDate}
             AND actual_start_time &lt;= #{endDate}
     </select>
+    <select id="selectMax" resultType="com.ruoyi.production.pojo.ProductWorkOrder">
+        SELECT SUBSTRING(work_order_no, 3) as work_order_no
+        FROM product_work_order
+        WHERE SUBSTRING(work_order_no, 3) like concat(#{datePrefix},'%')
+        order by work_order_no  desc
+        limit 1
+        ;
+    </select>
 </mapper>

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