Re: Date calculation - Mailing list pgsql-general

From Bruce Momjian
Subject Re: Date calculation
Date
Msg-id 20190131202340.GB3377@momjian.us
Whole thread Raw
In response to Re: Date calculation  (Ron <ronljohnsonjr@gmail.com>)
Responses Re: Date calculation  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
List pgsql-general
On Thu, Jan 31, 2019 at 02:21:52PM -0600, Ron wrote:
> On 1/31/19 2:15 PM, Bruce Momjian wrote:
> >On Thu, Jan 31, 2019 at 02:11:14PM -0600, Ron wrote:
> >>Hi,
> >>
> >>v9.6.6
> >>
> >>Is there a built in function to calculate, for example, next Sunday?
> >>
> >>For example,
> >>
> >>postgres=# select current_date, next_dow(current_date, 'Sunday');
> >>     date    |    date
> >>------------|------------
> >>  2019-01-31 | 2019-02-03
> >>(1 row)
> >Uh, this worked:
> >
> >    SELECT date_trunc('week', CURRENT_TIMESTAMP) + '6 days';
> >            ?column?
> >    ------------------------
> >     2019-02-03 00:00:00-05
> 
> Perfect!  All I had to do was cast that as DATE...

Oh, right, you want date, so use:

    SELECT date_trunc('week', CURRENT_DATE) + '6 days';
            ?column?
    ------------------------
     2019-02-03 00:00:00-05

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +


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