Re: rounding timestamps

Claudio Lapidus wrote:
> test=> select to_char(timestamp '2003-10-24 15:30:59.999',
> 'YYYYMMDDHH24MISS');
>     to_char
> ----------------
>  20031024153059
> (1 row)
> 
> But my problem is that to_char truncates the fractional seconds, and I need
> to round the value to the nearest integer second. In the above, I would need
> the output rounded to 15:31:00, which is just a millisecond away, for
> example. But I couldn't find a function to round a timestamp. Are there any
> workaround?

Is this what you wanted?

regression=# select to_char(timestamp(0) '2003-10-24 
15:30:59.999','YYYYMMDDHH24MISS');
     to_char
----------------
  20031024153100
(1 row)

See:
http://www.postgresql.org/docs/current/static/datatype-datetime.html

HTH,

Joe