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@@ -30,7 +30,7 @@
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tu.real_name_ speakerName,
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tu.real_name_ speakerName,
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a.user_id_ as studentId,
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a.user_id_ as studentId,
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a.whether_mic_status_ as whetherMicStatus,
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a.whether_mic_status_ as whetherMicStatus,
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- su.username_ as studentName,
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+ IFNULL(su.username_, a.visitor_name_) as studentName,
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su.avatar_ as avatar,
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su.avatar_ as avatar,
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su.phone_ as phone,
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su.phone_ as phone,
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b.name_ as subName,
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b.name_ as subName,
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