From c0cae0a68ec2d917a9fad1f093a16b6d1d16af3c Mon Sep 17 00:00:00 2001
From: xiaoyong931011 <15274802129@163.com>
Date: Thu, 16 Mar 2023 13:41:37 +0800
Subject: [PATCH] 后台修改
---
src/main/resources/mapper/modules/MallGoodsSkuMapper.xml | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/src/main/resources/mapper/modules/MallGoodsSkuMapper.xml b/src/main/resources/mapper/modules/MallGoodsSkuMapper.xml
index 99771dc..2757dce 100644
--- a/src/main/resources/mapper/modules/MallGoodsSkuMapper.xml
+++ b/src/main/resources/mapper/modules/MallGoodsSkuMapper.xml
@@ -38,4 +38,18 @@
#{item}
</foreach>
</delete>
+
+ <update id="upDateStockAndVolumeBySkuId">
+ update mall_goods_sku
+ set stock = stock - #{cnt},
+ sku_volume = sku_volume + #{cnt}
+ where id=#{id} and stock - #{cnt} <![CDATA[ >= ]]> 0
+ </update>
+
+ <update id="updateStockAndVolumeBySkuId">
+ update mall_goods_sku
+ set stock = stock + #{cnt},
+ sku_volume = sku_volume - #{cnt}
+ where id=#{id} and sku_volume - #{cnt} <![CDATA[ >= ]]> 0
+ </update>
</mapper>
\ No newline at end of file
--
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