select id, dev_type,(select dict_label from sys_dict_data where dict_type='cytle_dev_type' and dict_value=dev_type) dev_type_name, dev_name, dev_no, dev_addr, dev_describe, dev_company, dev_status, alarm_days, use_date, curr_overhaul_date,dev_void_date,
next_overhaul_date, curr_maintenance_date, next_maintenance_date, create_time,case when (TO_DAYS(next_overhaul_date)-TO_DAYS(NOW()))>alarm_days then 0 when next_overhaul_date is null or alarm_days is null then 0 else 1 end as jianxiu from t_dev_life_cycle
SELECT id, dev_type,
(SELECT dict_label FROM sys_dict_data WHERE dict_type='cytle_dev_type' AND dict_value=dev_type) dev_type_name,