Re: Optimal query suggestion needed

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От Bruno Wolff III
Тема Re: Optimal query suggestion needed
Дата
Msg-id 20040617200123.GA28736@wolff.to
обсуждение исходный текст
Ответ на Re: Optimal query suggestion needed  (InterZone <lists@interzone.gr>)
Список pgsql-sql
On Thu, Jun 17, 2004 at 22:22:34 +0300, InterZone <lists@interzone.gr> wrote:
> 
> Thanks
> the query you sent failed on v. 7.4, so I added an "end" to the case 
> statement. I selected from the tables and the results seem to be correct.

That was an unintentional typo.

> 
> I rewrite it for archiving reasons:
> 
> select t0.code, t0.address, t0.mun, t1.code as t1code, t1.pname
> count(t2.code) as t2total, count(case when t2.avail then 1 else NULL 
> end) as t2avail from t0, t1, t2 where t2.t0_fk = t0.code and 
> t2.t1_fk=t1.code group by t0.code, t0.address, t0.mun, t1.code, t1.pname
> 
> 
> Once again thank you.

Your welcome.


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