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慢sql调整

zouxuan 1 year ago
parent
commit
f8d8de5d02

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

@@ -172,7 +172,7 @@
 			   COUNT(DISTINCT CASE WHEN sa.qualified_flag_ = 1 THEN sa.id_ ELSE NULL END) standard_num_,
 			   CASE WHEN sch.id_ IS NOT NULL THEN 1 ELSE 0 END homework_flag_,
 			   COUNT(DISTINCT CASE WHEN sch.status_ = 1 THEN sch.id_ ELSE NULL END) homework_commit_num_,cs.class_date_,cs.status_ course_status_
-		FROM course_schedule_statistics_wait cssw
+		FROM (select * from course_schedule_statistics_wait limit 500) cssw
 				 LEFT JOIN course_schedule_statistics css ON css.course_schedule_id_ = cssw.course_schedule_id_
 				 LEFT JOIN course_schedule cs ON cs.id_ = cssw.course_schedule_id_
 				 LEFT JOIN course_schedule_student_payment cssp ON cssp.course_schedule_id_ = cssw.course_schedule_id_