Re: now() gives same time within the session

Sure thanks a lot.

Regards,
Atul Goel

-----Original Message-----
From: pgsql-performance-owner(at)postgresql(dot)org [mailto:pgsql-performance-owner(at)postgresql(dot)org] On Behalf Of A. Kretschmer
Sent: 12 July 2010 12:15
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: [PERFORM] now() gives same time within the session

In response to Atul(dot)Goel(at)globaldatapoint(dot)com :
> Hi,
>
>
>
> I need to log the start and end time of the procedures in a table. But the
> start and end time are same. This is how I recreated the issue.
>
>
>
> create table test_time (time timestamp);
>
> delete from test_time;
>
> insert into test_time select now();

Use timeofday() instead, now() returns the transaction starting time.

BEGIN
test=*# select now();
now
-------------------------------
2010-07-12 13:13:28.907043+02
(1 row)

test=*# select timeofday();
timeofday
--------------------------------------
Mon Jul 12 13:13:36.187703 2010 CEST
(1 row)

test=*# select now();
now
-------------------------------
2010-07-12 13:13:28.907043+02
(1 row)

test=*#

Regards, Andreas
--
Andreas Kretschmer
Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header)
GnuPG: 0x31720C99, 1006 CCB4 A326 1D42 6431 2EB0 389D 1DC2 3172 0C99

--
Sent via pgsql-performance mailing list (pgsql-performance(at)postgresql(dot)org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance
This e-mail is confidential and should not be used by anyone who is not the original intended recipient. Global DataPoint Limited does not accept liability for any statements made which are clearly the sender's own and not expressly made on behalf of Global DataPoint Limited. No contracts may be concluded on behalf of Global DataPoint Limited by means of e-mail communication. Global DataPoint Limited Registered in England and Wales with registered number 3739752 Registered Office Middlesex House, 34-42 Cleveland Street, London W1T 4LB