45666

src/main/java/com/example/caseData/dao/CaseClinicalVideoDao.java

@@ -8,6 +8,7 @@ import com.example.caseData.dto.caseClinicalVideo.CaseClinicalVideoDto;
 import com.example.caseData.model.CaseClinicalVideoModel;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Select;
 import org.apache.ibatis.annotations.Update;
 
 import java.time.LocalDateTime;
@@ -99,4 +100,12 @@ public interface CaseClinicalVideoDao extends BaseMapper<CaseClinicalVideoModel>
      * @return 最新发表时间，无数据时返回 null
      */
     LocalDateTime selectLastVideoPushDateByLabelId(@Param("labelIden") String labelIden);
+
+    /**
+     * 查询所有未删除文章的阅读量总和
+     *
+     * @return 阅读量总和
+     */
+    @Select("SELECT SUM(read_num) FROM case_clinical_video WHERE delete_status = 0 and video_status = 1")
+    Long getTotalReadNum();
 }