Re: Grouping by week

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От Oliver Elphick
Тема Re: Grouping by week
Дата
Msg-id 1091830111.13140.1.camel@linda
обсуждение исходный текст
Ответ на Grouping by week  (Caleb Simonyi-Gindele <csg@bordervet.ca>)
Ответы Re: Grouping by week  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-sql
On Fri, 2004-08-06 at 22:29, Caleb Simonyi-Gindele wrote:
> I'm using 
> 
> SELECT EXTRACT(WEEK FROM trans_date), SUM(tran_amount) ... GROUP BY
> trans_date 
> 
> and it is being used to group sales results by week. It works really well. 
> 
> What I'm wondering is if I can shift the week from a Mon-Sun
> articulation(default with Postgre) to a Sun-Sat sequence. I need it that way
> in order to comply with a legacy stats system.

How about:
  SELECT EXTRACT(WEEK FROM trans_date + '1 day'::INTERVAL)
-- 
Oliver Elphick                                          olly@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
GPG: 1024D/A54310EA  92C8 39E7 280E 3631 3F0E  1EC0 5664 7A2F A543 10EA
========================================   "Be still before the LORD and wait patiently for him;     do not fret when
mensucceed in their ways, when they     carry out their wicked schemes."                            Psalms 37:7 
 



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