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sql优化

zouxuan 1 年之前
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b7f44cf34b
共有 1 個文件被更改,包括 1 次插入1 次删除
  1. 1 1
      mec-biz/src/main/resources/config/mybatis/CourseScheduleMapper.xml

+ 1 - 1
mec-biz/src/main/resources/config/mybatis/CourseScheduleMapper.xml

@@ -3716,7 +3716,7 @@
         <foreach collection="classGroupIds" open="(" close=")" separator="," item="item">
             #{item}
         </foreach>
-        AND merge_flag_ IN (1,2) IS NOT NULL AND pre_course_flag_ = 0
+        AND merge_flag_ IN (1,2) AND pre_course_flag_ = 0
         AND status_ = 'NOT_START'
     </select>
     <select id="getLock" resultMap="CourseSchedule">