移除广播表

短剧首页 关联查询修改

src/main/resources/mapper/course/CourseDetailsDao.xml

@@ -74,4 +74,13 @@
         order by SUBSTR(uid, ${randomNum}, 6)
     </select>
 
+    <select id="countCourse" resultType="Map">
+        select
+                ifnull(sum(view_count),0) as viewCounts,
+                ifnull(sum(good_num),0)   as goodNum,
+                ifnull(count(*),0)        as courseDetailsCount
+            from course_details
+        where course_id = #{courseId}
+    </select>
+
 </mapper>