Re: CURRENT_TIMESTAMP vs actual time

Alvaro Herrera wrote:

> On Thu, Apr 21, 2005 at 09:22:26AM -0500, Christopher J. Bottaro wrote:
>> John DeSoi wrote:
>>
>> >
>> > On Apr 20, 2005, at 6:15 PM, Christopher J. Bottaro wrote:
>> >
>> >> I understand that CURRENT_TIMESTAMP marks the beginning of the current
>> >> transaction.  I want it to be the actual time.  How do I do this?
>> >> timeofday() returns a string, how do I convert that into a TIMESTAMP?
>> >
>> > timeofday()::timestamp;
>>
>> Great, that did it, thanks.  I also found out that you can say
>> CAST(timeofday() AS TIMESTAMP).  I assume its the same thing...
>
> Not sure it's the same thing.  IIRC, CURRENT_TIMESTAMP returns a
> timestamp with time zone, whereas casting to timestamp unadorned returns
> a timestamp without time zone.  Try
>
> cast(timeofday() as timestamptz)
> or
> cast(timeofday() as timestamp with time zone)
>
> It may not matter a lot but you may as well be aware of the difference ...

Ahh, thanks for the tip.  I guess I'll just stick with
timeofday()::timestamp...its more concise anyways...

-- C