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Re: now() gives same time within the session

From: Thom Brown <thombrown(at)gmail(dot)com>
To: Rob Wultsch <wultsch(at)gmail(dot)com>
Cc: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: now() gives same time within the session
Date: 2010-07-12 13:23:55
Message-ID: AANLkTik63BqTleBeJHJLMoZU59eqnKVm_wwDVO_avuYN@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
On 12 July 2010 14:11, Rob Wultsch <wultsch(at)gmail(dot)com> wrote:
> On Mon, Jul 12, 2010 at 4:15 AM, A. Kretschmer
> <andreas(dot)kretschmer(at)schollglas(dot)com> wrote:
>> 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.
>
>
> Is this part of the SQL standard?
>

I don't believe it is.  See
http://www.postgresql.org/docs/current/static/functions-datetime.html#FUNCTIONS-DATETIME-CURRENT
for more info.

Thom

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Subject: Re: now() gives same time within the session
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