update 订单导出增加新生课程专享

mec-biz/src/main/java/com/ym/mec/biz/service/impl/SubjectChangeServiceImpl.java

@@ -396,7 +396,7 @@ public class SubjectChangeServiceImpl extends BaseServiceImpl<Integer, SubjectCh
         MapUtil.populateMap(params, queryInfo);
 
         List<SubjectChange> dataList = new ArrayList<>();
-        int count = this.findCount(params);
+        int count = subjectChangeDao.queryCount(params);
 
         if (count > 0) {
             pageInfo.setTotal(count);

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

@@ -224,9 +224,8 @@
         </where>
     </sql>
     <select id="queryCount" resultType="int">
-        SELECT COUNT(*) FROM subject_change sv
-        LEFT JOIN sys_user t ON sc.teacher_id_ = t.id_
-        LEFT JOIN sys_user s ON s.id_ = sc.student_id_
+        SELECT COUNT(*) FROM subject_change sc
+        LEFT JOIN sys_user s ON sc.student_id_ = s.id_
         <include refid="queryPageSql"/>
     </select>
 </mapper>