|  | @@ -127,7 +127,6 @@
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				|  |  |  		LEFT JOIN sys_user s ON g.teacher_id_ = s.id_
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				|  |  |  		LEFT JOIN `subject` b ON g.lesson_subject_=b.id_
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				|  |  |  		<where>
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				|  |  | -		    and g.history_flag_ = 0
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				|  |  |  			<if test="param.shelvesFlag !=null">
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				|  |  |  				AND g.shelves_flag_ = #{param.shelvesFlag}
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				|  |  |  			</if>
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				|  | @@ -171,7 +170,6 @@
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				|  |  |  		LEFT JOIN sys_user s ON g.teacher_id_ = s.id_
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				|  |  |  		LEFT JOIN subject j ON g.lesson_subject_ = j.id_
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				|  |  |  		<where>
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				|  |  | -			AND g.history_flag_ = 0
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				|  |  |  			<if test="param.userId !=null">
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				|  |  |  				AND p.student_id_ = #{param.userId}
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				|  |  |  			</if>
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				|  | @@ -218,7 +216,6 @@
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				|  |  |  		FROM video_lesson_group g
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				|  |  |  		LEFT JOIN subject j ON g.lesson_subject_ = j.id_
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				|  |  |  		<where>
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				|  |  | -			AND g.history_flag_ = 0
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				|  |  |  			<if test="param.userId !=null">
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				|  |  |  				AND g.teacher_id_ = #{param.userId}
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				|  |  |  			</if>
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				|  | @@ -292,7 +289,7 @@
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				|  |  |  		LEFT JOIN sys_user u ON g.teacher_id_=u.id_
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				|  |  |  		LEFT JOIN `subject` s ON g.lesson_subject_ = s.id_
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				|  |  |  		<where>
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				|  |  | -			AND g.history_flag_ = 0 and u.del_flag_ = 0
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				|  |  | +			AND  u.del_flag_ = 0
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				|  |  |  			<if test="null != param.search and '' != param.search">
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				|  |  |  				AND (
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				|  |  |  				u.username_ LIKE CONCAT('%', #{param.search}, '%') OR
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