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															@@ -635,7 +635,7 @@ 
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															 	</select> 
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															 	</select> 
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															 	<select id="getStudentTrainOverViewList" 
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															 	<select id="getStudentTrainOverViewList" 
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															 			resultType="com.yonge.cooleshow.biz.dal.wrapper.TeacherIndexWrapper$StudentPracticeSummaryDto"> 
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															 			resultType="com.yonge.cooleshow.biz.dal.wrapper.TeacherIndexWrapper$StudentPracticeSummaryDto"> 
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															-		select su.username_ studentName,sb.name_ subjectName,SUM(smcr.play_time_) totalPracticeTime, 
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															+		select su.username_ studentName,su.avatar_ avatar,sb.name_ subjectName,SUM(smcr.play_time_) totalPracticeTime, 
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															 		       COUNT(DISTINCT DATE_FORMAT(smcr.create_time_, '%Y-%m-%d')) practiceDays, 
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															 		       COUNT(DISTINCT DATE_FORMAT(smcr.create_time_, '%Y-%m-%d')) practiceDays, 
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															 		       SUM(smcr.play_time_) / COUNT(DISTINCT DATE_FORMAT(smcr.create_time_, '%Y-%m-%d')) averagePracticeTime 
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															 		       SUM(smcr.play_time_) / COUNT(DISTINCT DATE_FORMAT(smcr.create_time_, '%Y-%m-%d')) averagePracticeTime 
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															 		from sys_music_compare_record smcr 
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															 		from sys_music_compare_record smcr 
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