update

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

@@ -1468,7 +1468,6 @@
         <include refid="global.limit"/>
     </select>
     <select id="queryGroupClassGroupIds" resultType="java.lang.Long">
-        SELECT GROUP_CONCAT(c.id_) FROM (
         SELECT cg.id_ FROM music_group mg
         LEFT JOIN class_group cg ON cg.music_group_id_ = mg.id_
         WHERE mg.educational_teacher_id_ = #{userId} AND cg.group_type_ = 'MUSIC' AND mg.status_ = 'PROGRESS'
@@ -1479,6 +1478,6 @@
         UNION
         SELECT cg.id_ FROM practice_group pg
         LEFT JOIN class_group cg ON cg.music_group_id_ = pg.id_
-        WHERE pg.educational_teacher_id_ = #{userId} AND cg.group_type_ = 'PRACTICE' AND pg.group_status_ = 'NORMAL')c
+        WHERE pg.educational_teacher_id_ = #{userId} AND cg.group_type_ = 'PRACTICE' AND pg.group_status_ = 'NORMAL'
     </select>
 </mapper>