班级学生关系表加乐团编号

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

@@ -642,7 +642,7 @@
 
     <select id="findClassGroupByMusicGroupIdAndType" resultMap="ClassGroup">
         SELECT * FROM class_group  WHERE music_group_id_=#{musicGroupId}
-        <if test="type !=null and type!=''">
+        <if test="type !=null ">
            AND type_=#{type,typeHandler=com.ym.mec.common.dal.CustomEnumTypeHandler}
         </if>
          AND del_flag_='0'