UPDATE file_material SET is_top = ( ( SELECT Max(is_top) FROM (SELECT * FROM file_material) AS x ) + 1 ) WHERE id = #{id} SELECT fm.id, fm.data_type, fm.data_title, fm.data_upload_time, fm.data_explain, fm.attach_file_id, fm.click_count, fm.is_top, fm.del_flag, fm.is_show, zd.id as treeId, zt.name as treeName FROM file_material fm LEFT JOIN zl_data zd ON zd.data_id=fm.id LEFT JOIN zl_tree zt ON zd.id=zt.id WHERE fm.del_flag = '0' and zd.id=#{flieM.treeId} and zd.id in #{item} and fm.id=#{flieM.id} AND fm.data_title like concat('%',#{flieM.dataTitle},'%') AND fm.data_upload_time >= #{flieM.startDataUploadTime} AND fm.data_upload_time <= #{flieM.endDataUploadTime} order by fm.data_upload_time desc SELECT fm.id, fm.data_type, fm.data_title, fm.data_upload_time, fm.data_explain, fm.attach_file_id, fm.click_count, fm.is_top, fm.del_flag, fm.is_show, zd.id as treeId, zt.name as treeName FROM file_material fm LEFT JOIN zl_data zd ON zd.data_id=fm.id LEFT JOIN zl_tree zt ON zd.id=zt.id WHERE fm.del_flag = '0' and zd.id in #{item} group by fm.id order by fm.data_upload_time desc limit 0,10