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扣库存改成>=

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hupeng
2020-08-09 20:15:25 +08:00
parent 2f78935c76
commit 754d4492e0
1 changed files with 1 additions and 1 deletions
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yshop-mall/src/main/java/co/yixiang/modules/product/service/mapper/StoreProductAttrValueMapper.java
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@ -28,7 +28,7 @@ public interface StoreProductAttrValueMapper extends CoreMapper<YxStoreProductAt
Integer sumStock(long productId);
@Update("update yx_store_product_attr_value set stock=stock-#{num}, sales=sales+#{num}" +
" where product_id=#{productId} and `unique`=#{unique} and stock > #{num}")
" where product_id=#{productId} and `unique`=#{unique} and stock >= #{num}")
int decStockIncSales(@Param("num") int num, @Param("productId") Long productId,
@Param("unique") String unique);