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DO $$ DECLAREdiff INTERVAL;BEGIN RAISE NOTICE '2025新年倒计时开始：';LOOP diff = age(timestamp '2025-01-01 00:00:00+0800', clock_timestamp());IF diff <= interval '0' THENEXIT;END IF;RAISE NOTICE '%天 %时 %分 %秒', extract(day from diff),extract(hour from diff),extract(minute from diff),round(extract(second from diff));PERFORM pg_sleep(1);END LOOP;RAISE NOTICE '2025新年好!';EXCEPTIONWHEN OTHERS THEN RAISE;END;$$;
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