Re: BirthDay SQL Issue

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От Richard Huxton
Тема Re: BirthDay SQL Issue
Дата
Msg-id 43438F0C.7050406@archonet.com
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Ответ на BirthDay SQL Issue  (brett <bhalligan@yahoo.com>)
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brett wrote:
> I need to be able to select two dates on my webby so I have a range of
> dates 

> Then I want to be able to get, using some nifty query, everyone's
> birthday that falls between those two dates. So if someone's birthday
> was 04/09/79 it would return that tuple
> 
> I have been stuck on this for ages. Any my search for help has brought
> me here.

You need to look at it from a different angle - don't try comparing 
dates, compare text instead.

=> SELECT to_char('2005-03-04'::date, 'MMDD'); to_char
--------- 0304
(1 row)

That should do it.

Oh - you might want to read up on functional indexes in the manual too, 
if this is a query you'll be running regularly.

--  Richard Huxton  Archonet Ltd


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