PostgreSQL/Date Timezone/now — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Текущая версия на 10:14, 26 мая 2010
Get current time for logging
postgres=#
postgres=# create table logtable(t varchar(10), value varchar(50));
CREATE TABLE
postgres=#
postgres=#
postgres=# CREATE FUNCTION logfunc2(logtxt text) RETURNS timestamp AS $$
postgres$# DECLARE
postgres$# curtime timestamp;
postgres$# BEGIN
postgres$# curtime := "now";
postgres$# INSERT INTO logtable VALUES (logtxt, curtime);
postgres$# RETURN curtime;
postgres$# END;
postgres$# $$ LANGUAGE plpgsql;
CREATE FUNCTION
postgres=#
postgres=# select logfunc2("123");
REATE
logfunc2
------------------------
2006-10-21 19:09:25.14
(1 row)
postgres=#
postgres=# select * from logtable;
REATE
t | value
-----+------------------------
123 | 2006-10-21 19:09:25.14
(1 row)
postgres=#
postgres=#
postgres=# drop function logfunc2(logtxt text);
DROP FUNCTION
postgres=# drop table logtable;
now(): get current date and time
postgres=#
postgres=# SELECT current_timestamp, now() AS timestamp;
now | timestamp
----------------------------+----------------------------
2006-10-08 15:11:40.109-07 | 2006-10-08 15:11:40.109-07
(1 row)
postgres=#
SELECT now()
postgres=# SELECT now();
now
----------------------------
2006-10-08 15:16:29.968-07
(1 row)
postgres=#