PostgreSQL/Date Timezone/now
Get current time for logging
<source lang="sql">
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;
</source>
now(): get current date and time
<source lang="sql">
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=#
</source>
SELECT now()
<source lang="sql">
postgres=# SELECT now();
now
2006-10-08 15:16:29.968-07
(1 row) postgres=#
</source>