id, devCodeFk, userName, contact1, contact2, remark, `createUser`, createTime, updateUser, updateTime select * from device_asset_user devCodeFk = #{devCodeFk} and userName = #{userName} and contact1 = #{contact1} and contact2 = #{contact2} ORDER BY id DESC DELETE FROM device_asset_user WHERE id = #{id} UPDATE device_asset_user userName=#{userName}, devCodeFk=#{devCodeFk}, contact1=#{contact1}, contact2=#{contact2}, `remark`=#{remark}, `updateUser`=#{updateUser}, `updateTime`=#{updateTime}, WHERE id = #{id}