“PostgreSQL Datefiff” Ответ

Постгресс разница в разницах

-- difference in seconds between two dates

select extract(epoch from ('2020-03-30 09:55:56'::timestamp - '2020-03-30 08:54:55'::timestamp));
-- result : 3661
Amused Anaconda

PostgreSQL Datefiff

- Difference between Dec 29, 2011 23:00 and Dec 31, 2011 01:00 in days
  SELECT DATE_PART('day', '2011-12-31 01:00:00'::timestamp - '2011-12-29 23:00:00'::timestamp);
  -- Result: 1
Rich Ray

PostgreSQL Получите разницу между двумя датами

select age('2010-04-01', '2012-03-05'),
       date_part('year',age('2010-04-01', '2012-03-05')),
       date_part('month',age('2010-04-01', '2012-03-05')),
       date_part('day',age('2010-04-01', '2012-03-05'));
Motionless Monkey

Datediff Minute Postgres

  -- Difference between Dec 30, 2011 08:54:55 and  Dec 30, 2011 08:56:10 in minutes
  SELECT (DATE_PART('day', '2011-12-30 08:56:10'::timestamp - '2011-12-30 08:54:55'::timestamp) * 24 * 60 + 
               DATE_PART('hour', '2011-12-30 08:56:10'::timestamp - '2011-12-30 08:54:55'::timestamp)) * 60 +
               DATE_PART('minute', '2011-12-30 08:56:10'::timestamp - '2011-12-30 08:54:55'::timestamp);
  -- Result: 1
 
  -- Time only
  SELECT DATE_PART('hour', '08:56:10'::time - '08:54:55'::time) * 60 +
              DATE_PART('minute', '08:56:10'::time - '08:54:55'::time);
  -- Result: 1
Matteoweb

PostgreSQL Datefiff

-- Difference between Oct 02, 2011 and Jan 01, 2012 in years
  SELECT DATE_PART('year', '2012-01-01'::date) - DATE_PART('year', '2011-10-02'::date);
  -- Result: 1
Rich Ray

PostgreSQL Datefiff

-- Difference between Oct 02, 2011 and Jan 01, 2012 in years
  SELECT DATE_PART('year', '2012-01-01'::date) - DATE_PART('year', '2011-10-02'::date);
  -- Result: 1
Rich Ray

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