From 1f7383c5e295f11a66fdfa9b75e596f72b35b4a8 Mon Sep 17 00:00:00 2001
From: xiaoyong931011 <15274802129@163.com>
Date: Thu, 15 Sep 2022 16:38:51 +0800
Subject: [PATCH] 20220902

---
 src/main/resources/mapper/modules/MallGoodsMapper.xml |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/src/main/resources/mapper/modules/MallGoodsMapper.xml b/src/main/resources/mapper/modules/MallGoodsMapper.xml
index b401ffd..697cbed 100644
--- a/src/main/resources/mapper/modules/MallGoodsMapper.xml
+++ b/src/main/resources/mapper/modules/MallGoodsMapper.xml
@@ -264,4 +264,11 @@
         from mall_goods_comment a limit 1
     </select>
 
+    <update id="upDateStockAndVolumeByGoodsId">
+        update mall_goods
+        set stock = stock - #{cnt},
+            volume = volume + #{cnt}
+        where id=#{id} and  stock - #{cnt} <![CDATA[ >= ]]> 0
+    </update>
+
 </mapper>
\ No newline at end of file

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