|  | @@ -362,12 +362,11 @@
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				|  |  |      </update>
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				|  |  |      <update id="batchUpdateTeacher">
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				|  |  |          UPDATE teacher_attendance
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				|  |  | -        SET teacher_id_ = #{teacherId}
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				|  |  | +        SET teacher_id_ = #{teacherId},sign_in_time_ = null,sign_in_status_ = null,sign_out_status_ = null,sign_out_time_= null
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				|  |  |          WHERE course_schedule_id_ IN
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				|  |  |          <foreach collection="courseScheduleIds" item="courseScheduleId" open="(" close=")" separator=",">
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				|  |  |              #{courseScheduleId}
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				|  |  |          </foreach>
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				|  |  | -        AND sign_in_status_ IS NULL AND sign_out_status_ IS NULL
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				|  |  |      </update>
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				|  |  |  
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				|  |  |      <delete id="deleteByMusicGroupId" parameterType="map" >
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