select id,number,size,extension, file_name, file_address, create_time, create_by, update_time, update_by from dc_file_download and file_name like concat('%', #{fileName}, '%') and file_address = #{fileAddress} and update_by = #{updateBy} ORDER BY create_time desc where id = #{id} insert into dc_file_download file_name, file_address, create_time, create_by, update_time, update_by, size, extension, #{fileName}, #{fileAddress}, #{createTime}, #{createBy}, #{updateTime}, #{updateBy}, #{size}, #{extension}, update dc_file_download file_name = #{fileName}, file_address = #{fileAddress}, create_time = #{createTime}, create_by = #{createBy}, update_time = #{updateTime}, update_by = #{updateBy}, size = #{size}, extension = #{extension}, where id = #{id} update dc_file_download set number=number+1 where id=#{id} delete from dc_file_download where id = #{id} delete from dc_file_download where id in #{id}