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@@ -260,7 +260,7 @@
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SELECT s.user_id_,su.avatar_,su.phone_,su.username_,ROUND(SUM(mcr.play_time_) / 60) total_play_time_,
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COUNT(DISTINCT DATE_FORMAT(mcr.create_time_,"%Y-%m-%d")) train_day_,
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COUNT(DISTINCT mcr.behavior_id_) train_num_,
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- COUNT(DISTINCT CASE WHEN mcr.feature_ = 'CLOUD_STUDY_EVALUATION' THEN mcr.behavior_id_ = NULL ELSE mcr.behavior_id_ END) record_num_
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+ COUNT(CASE WHEN mcr.feature_ = 'CLOUD_STUDY_EVALUATION' THEN mcr.behavior_id_ ELSE NULL END) record_num_
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FROM teacher t
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LEFT JOIN student s ON t.id_ = s.teacher_id_
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LEFT JOIN sys_user su ON su.id_ = s.user_id_
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zouxuan