【功能修复】商城：限时折扣在 activityIds、skuIds 为空时，报 SQL 不正确的问题

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/dal/mysql/discount/DiscountProductMapper.java

@@ -26,12 +26,6 @@ public interface DiscountProductMapper extends BaseMapperX<DiscountProductDO> {
         return selectList(DiscountProductDO::getActivityId, activityIds);
     }
 
-    default List<DiscountProductDO> selectListBySpuIdsAndStatus(Collection<Long> spuIds, Integer status) {
-        return selectList(new LambdaQueryWrapperX<DiscountProductDO>()
-                .in(DiscountProductDO::getSpuId, spuIds)
-                .eq(DiscountProductDO::getActivityStatus, status));
-    }
-
     default void updateByActivityId(DiscountProductDO discountProductDO) {
         update(discountProductDO, new LambdaUpdateWrapper<DiscountProductDO>()
                 .eq(DiscountProductDO::getActivityId, discountProductDO.getActivityId()));

yudao-module-mall/yudao-module-promotion-biz/src/main/java/cn/iocoder/yudao/module/promotion/service/discount/DiscountActivityServiceImpl.java

@@ -220,11 +220,17 @@ public class DiscountActivityServiceImpl implements DiscountActivityService {
 
     @Override
     public List<DiscountProductDO> getDiscountProductsByActivityId(Collection<Long> activityIds) {
+        if (CollUtil.isEmpty(activityIds)) {
+            return CollUtil.newArrayList();
+        }
         return discountProductMapper.selectList(DiscountProductDO::getActivityId, activityIds);
     }
 
     @Override
     public List<DiscountProductDO> getMatchDiscountProductListBySkuIds(Collection<Long> skuIds) {
+        if (CollUtil.isEmpty(skuIds)) {
+            return CollUtil.newArrayList();
+        }
         return discountProductMapper.selectListBySkuIdsAndStatusAndNow(skuIds, CommonStatusEnum.ENABLE.getStatus());
     }