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PGSQL去重取最新

炽凤亮尧 2023-01-09 阅读 122

select a.*
,to_date(to_char(a.update_tm,'YYYY-01-01'),'YYYY-01-01') as 年份
from
(select department,name,indicators_num,occurrences_num,update_tm,(select max(write_date) from plan_repair_operational_indicators_info) as max_date from plan_repair_operational_indicators_info group by department,name,indicators_num,occurrences_num,update_tm ORDER BY department)
as a where a.update_tm=(select max(update_tm) from plan_repair_operational_indicators_info)

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