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				@@ -169,7 +169,7 @@ 
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				         from (select * from ( 
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				         select cg.course_num_,cg.complete_course_num_,cg.course_introduce_,cg.pre_student_num_, 
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				         cg.background_pic_,cg.im_group_id_,cg.name_,cg.subject_id_,cg.teacher_id_, 
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				-        CASE WHEN cg.status_ = 'COMPLETE' THEN cg.status_ WHEN cg.status_ = 'NOT_START' THEN 'NOT_START' ELSE 'ING' END as `status`, 
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				+        CASE WHEN cg.status_ = 'COMPLETE' THEN cg.status_ WHEN cg.status_ = 'NOT_START' THEN 'NOT_START' ELSE 'ING' END as `status_`, 
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				         cs.type_,cs.course_group_id_,cs.class_date_,cs.start_time_,cs.end_time_,cs.id_,cs.class_num_ 
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				         from course_schedule cs 
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				         left join course_group cg on cs.course_group_id_ = cg.id_ 
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