Re: Joining dates/times (was Re: Splitting Timestamps)

Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> schrieb:
> >> I know I can do a select to_date(now(),'yyyy-mm-dd') and it will return the
> >> date. However, how do I get the time? Also, is this the proper way to get
> >> the date portion of a timestamp?
> >
> > select now()::timetz;
> > select now()::time;
> > select now()::date;
>
> What's the inverse? Say I have a DATE and a TIME, and want to
> create a TIMESTAMP with them?

You can CAST it:

test=# select '2006/07/29 10:00:00'::timestamp;
timestamp
---------------------
2006-07-29 10:00:00
(1 row)

or:

test=# select ('2006/07/29'::date || ' ' || '10:00:00'::time)::timestamp;
timestamp
---------------------
2006-07-29 10:00:00
(1 row)

HTH, Andreas
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