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优化sql

hgw 2 năm trước cách đây
mục cha
commit
68e98c13a2

+ 1 - 1
cooleshow-user/user-biz/src/main/resources/config/mybatis/CourseScheduleStudentPaymentMapper.xml

@@ -45,7 +45,7 @@
     </select>
     </select>
 
 
     <select id="queryStudentInfoByGroupId" resultType="com.yonge.cooleshow.biz.dal.vo.LiveCourseInfoVo$CourseBuyStudentVo">
     <select id="queryStudentInfoByGroupId" resultType="com.yonge.cooleshow.biz.dal.vo.LiveCourseInfoVo$CourseBuyStudentVo">
-        select a.user_id_      as studentId,
+        select distinct a.user_id_      as studentId,
                b.real_name_    as studentName,
                b.real_name_    as studentName,
                b.avatar_ as avatar,
                b.avatar_ as avatar,
                a.created_time_ as createTime
                a.created_time_ as createTime