修改合奏班在读人数不对的情况

mec-biz/src/main/resources/config/mybatis/ClassGroupMapper.xml

@@ -512,9 +512,9 @@
     </select>
 
     <select id="countStudyNum" resultType="java.util.Map">
-        SELECT sr.class_group_id_ 'key',COUNT(sr.user_id_) 'value' FROM student_registration sr
-        WHERE FIND_IN_SET(sr.class_group_id_,#{classGroupIds}) AND sr.music_group_status_ != 'QUIT'
-        GROUP BY sr.class_group_id_
+        SELECT cgsm.class_group_id_ 'key',COUNT(cgsm.user_id_) 'value' FROM class_group_student_mapper cgsm
+        LEFT JOIN student_registration sr ON (sr.user_id_ = cgsm.user_id_ AND sr.music_group_id_ = cgsm.music_group_id_)
+        WHERE FIND_IN_SET(cgsm.class_group_id_,#{classGroupIds}) AND cgsm.status_='NORMAL' AND FIND_IN_SET(sr.music_group_status_,'NORMAL,LEAVE') GROUP BY cgsm.class_group_id_
     </select>
 
     <select id="countQuitNum" resultType="java.util.Map">