Re: How to get a count() where column < ''?

Поиск
Список
Период
Сортировка
От Joost Kraaijeveld
Тема Re: How to get a count() where column < ''?
Дата
Msg-id 1133732596.5560.11.camel@Panoramix
обсуждение исходный текст
Ответ на Re: How to get a count() where column < ''?  (Stephan Szabo <sszabo@megazone.bigpanda.com>)
Ответы Re: How to get a count() where column < ''?  (Jim Johannsen <jjsa@gvtc.com>)
Re: How to get a count() where column < ''?  (Stephan Szabo <sszabo@megazone.bigpanda.com>)
Список pgsql-sql
Hi Stephan,

On Sun, 2005-12-04 at 13:33 -0800, Stephan Szabo wrote:
> > SELECT COUNT(customers.objectid) FROM prototype.customers,
> > prototype.addresses
> > WHERE
> > customers.contactaddress = addresses.objectid
> > AND
> > zipCode < '2716BN'
> > ORDER By zipCode, houseNumber

> In a non-grouped query like the above, I don't think that the order by is
> meaningful.  You only get one row back anyway without a group by, and
> there's no single zipCode or houseNumber to associate with the row.
> 
What do you mean by a non-grouped query? The query below gives the same
error:

SELECT zipcode, COUNT(*) FROM prototype.customers, prototype.addresses 
WHERE 
customers.contactaddress = addresses.objectid 
AND 
zipCode < '2716BN' 

-- 
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
e-mail: J.Kraaijeveld@Askesis.nl
web: www.askesis.nl 




В списке pgsql-sql по дате отправления:

Предыдущее
От: Stephan Szabo
Дата:
Сообщение: Re: How to get a count() where column < ''?
Следующее
От: Jim Johannsen
Дата:
Сообщение: Re: How to get a count() where column < ''?