id,inspection_item,inspection_item_classify, inspection_item_subclass,factory,laboratory, sample_type,sample,model, unit,price,man_hour, man_hour_group,inspection_item_type,inspection_value_type, device_group,checkout_number,section, value_type,method,man_day, bsm,ask,state, create_user,update_user,create_time, update_time select coalesce(sum(ip.man_day), 0) from ins_sample i left join ins_product ip on i.id = ip.ins_sample_id where i.id = #{sampleId}