From: | Richard Broersma <richard(dot)broersma(at)gmail(dot)com> |
---|---|
To: | rod(at)iol(dot)ie |
Cc: | The Frog <mr(dot)frog(dot)to(dot)you(at)googlemail(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Correlated Subquery and calculated column non-functional |
Date: | 2009-10-30 17:46:35 |
Message-ID: | 396486430910301046j63d2f002ka26d556006f8ea4@mail.gmail.com |
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Lists: | pgsql-general |
On Fri, Oct 30, 2009 at 10:42 AM, Raymond O'Donnell <rod(at)iol(dot)ie> wrote:
> On 30/10/2009 10:07, The Frog wrote:
>> select
>> product.manufacturer,
>> product.brand,
>> SUM(sales.qtysold * sales.unitprice) as turnover,
>> (select count(*) from cube_sales.sales as Q WHERE SUM(sales.qtysold *
>> sales.unitprice) > turnover) + 1 as rank
>
> You can't use the alias "turnover" in the calculation as you have - you
> need to use the full expression instead, or push the calculation into a
> subquery.
>
> BTW you're also missing a closing parenthesis from that calculation.
Also you can't use aggregate functions in the WHERE clause. You'll
need to push it down to the HAVING clause.
--
Regards,
Richard Broersma Jr.
Visit the Los Angeles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug
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